Sold out -16% sale
ARCO Qualifies for Free Shipping Arco Zeus A225s 1-2
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Zeus A225s 1-2" Alternator with Terminal Block #A225S-12-SF12-EX-49K6 $698.00 $828.07
Download Literature Watch VideoARCO A225S-12-SF12-EX-49K6 AlternatorsZeus A225S 1"-2" Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to: Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM Components Optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A225S cooler. This translates to more amperage for sustained periods. For maximum performance or lithium battery charging, use an ARCO Zeus Bluetooth alternator regulator. SAE J1171 Certified. Proudly made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 130mm Frame Size - Small Weight - 12lbs/6.7kg Regulation - External Only Output Voltage - 14.1v (default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 254 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps Mounting Application:Replaces most domestic styles using a single 1or 2” mounting foot (e.g., Motorola, Prestolite). Normalized SKU: A225S12SF12EX49K6UPC Code: 695845518768ARCO A225S-12-SF12-EX-49K6 Literature Download Quick Reference Guide Product BrochureARCO A225S-12-SF12-EX-49K6 Video
Sold out -4% sale
ARCO Qualifies for Free Shipping Arco Zeus A225s Vortec Alternator with Terminal Block #A225S-12-VT-EX-49K6
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Zeus A225s Vortec Alternator with Terminal Block #A225S-12-VT-EX-49K6 $795.00 $828.07
Download Literature Watch VideoARCO A225S-12-VT-EX-49K6 AlternatorsZeus A225S Vortec Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to: Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM Components Optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A225S cooler. This translates to more amperage for sustained periods. For maximum performance or lithium battery charging, use an ARCO Zeus Bluetooth alternator regulator. SAE J1171 Certified. Proudly made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 130mm Frame Size - Small Weight - 12lbs/6.7kg Regulation - External Only Output Voltage - 14.1v (default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 254 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps Mounting Application:Replaces Mando type alternators using Vortec/ GM pad mounting feet (Found on many Mercruiser and Volvo Penta 3.0GLM, 3.0GLP, 4.3GXi, 5.7GiL, 5.7GXiL Marine Engines.) (GM Blocks) Normalized SKU: A225S12VTEX49K6UPC Code: 695845639500ARCO A225S-12-VT-EX-49K6 Literature Download Quick Reference Guide Product BrochureARCO A225S-12-VT-EX-49K6 Video
-22% sale
J&N Electric Qualifies for Free Shipping J&N Electric Alternator Delco 63 Amp Single Wire #400-20012
00
DAYS
00
HRS
00
MIN
00
SEC
J&N Electric J&N Electric Alternator Delco 63 Amp Single Wire #400-20012 $194.99 $247.65
J&N Electric 400-20012 Alternators 12 Volt 63 Amp Marine Alternator For 10 SI Series Includes internal regulator The external regulator used with older Prestolite units is not used with this replacement unit Replaces Prestolite ALK5206, ALK6207, ALK6210, ALK6210A, ALK6222, ALK6222A, ALK6222AY, ALK6222AYS, ALK6222Y Replaces OMC/Johnson/Evinrude 381166, 381519, 383433, 383443, 384233, 981186, 981187, 985964 Replaces Arrowhead Electrical Products ADR0120 Normalized SKU: 40020012
-20% sale
J&N Electric Qualifies for Free Shipping J&N Electric Alternator Delco 63 Amp Single Wire #400-20004
00
DAYS
00
HRS
00
MIN
00
SEC
J&N Electric J&N Electric Alternator Delco 63 Amp Single Wire #400-20004 $105.53 $131.00
J&N Electric 400-20004 Alternators Alternator For 10SI Series, Replaces Motorola Units Replaces Motorola Units with a 1 in. bottom mounting foot and a 1 wire hook up in marine applications Replaces Arrowhead Electrical Products ADR0396 Normalized SKU: 40020004
Sold out -18% sale
ARCO Qualifies for Free Shipping ARCO Zeus A275L J-180 3.15
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO ARCO Zeus A275L J-180 3.15" with Regulator #A275L-12-D315-IE-49K6 $891.64 $1,079.71
ARCO A275L-12-D315-IE-49K6 Alternators Zeus A275L High Output Alternator / High Amperage Alternator J-180 3.15" with Regulator. THE HIGHEST POWER OUTPUT ALTERNATOR IN ITS SIZE/CLASS - High Output / High Amperage Alternator. Reduces the need for a generator by creating additional power with your engine. Outperforms competitor's high amp alternators in real-world testing Engineered for High Energy Production Suitable for Marine, RV, Military, and Commercial applications Rapidly charges large battery banks Reduces the need for a generator by creating additional power with your engine Normalized SKU: A275L12D315IE49K6UPC Code: 695845603174
-22% sale
Recmar Qualifies for Free Shipping Recmar Alternator #REC874502
00
DAYS
00
HRS
00
MIN
00
SEC
Recmar Recmar Alternator #REC874502 $321.85 $408.78
Recmar REC874502 Alternators The ALTERNATOR (REC874502) is a high-quality marine-grade alternator for Volvo 14V and 115A marine engines and is compatible with Volvo D1-30/ D2-40,55,60,75/ D4 / D6 - Series. It is used in marine engines to transform mechanical energy into electrical energy and to charge batteries in order to power cargo ships, commercial vessels, cruise ships, boats, and ferries electrical systems. RECMAR products, over the years, have been established and proven throughout the process for their outstanding dependability and high reliability. Key features: Top-quality Alternator for Volvo 100% Brand new and crafted with the highest-quality materials in the industry Volvo 14V and 115A engines Compatible with Volvo D1-30/ D2-40,55,60,75/ D4 / D6 - Series Heavy-duty, high-reliability, and long-lasting Built to perform. Compact. Easy to carry, store and install. Designed to provide convenience and comfort for the years to come Approve marine-grade product Specifications: Brand: RECMAR Condition: Brand New SKU: REC874502 Weight: 7.16 LBS Note: For marine applications Normalized SKU: REC874502UPC Code: 8435422155007
-12% sale
ARCO Qualifies for Free Shipping Arco Marine Zeus High-Energy Alternator Regulator #AZ1000X
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Marine Zeus High-Energy Alternator Regulator #AZ1000X $880.95 $990.45
Download LiteratureARCO AZ1000X AlternatorsZeus High-Energy Alternator Regulator - Extended Package w/Extended Battery/Alternator HarnessARCO’s Zeus is the only high-energy external alternator regulator to feature Bluetooth and a native app (on IOS and Android) allowing for easy installation and configuration. With its intuitive interface, you can access information on your system that you never had before. This information allows you to regulate your system and optimize your battery charge and alternator output resulting in a safer experience while protecting your energy system investment.Zeus is the only alternator regulator that can read 2 shunts at a time (the battery shunt and alternator shunt). This feature enables Zeus to react to inputs from the battery current/temperature and alternator current/temperature.Through the ARCO Zeus application, you are in good hands as your data is automatically logged and can be shared with your technician to troubleshoot your system when remote. You can even import your remote technician’s configurations. Zeus optimizes battery charges for 12-48 volt systems. Whether you are using Lithium (LiFePo4) batteries or lead-acid Deep Cycle batteries, Zeus has you covered with its pre-set battery libraries and configurable menus to optimize your charging profiles. Zeus manages a complex set of inputs by giving you easy-to-understand options.Zeus also takes into consideration the power of your engine and allows you to configure the alternator’s power take-off from the engine by managing the field, or duty. An advanced feature of Zeus is that it can turn your engine into a dedicated generator with a press of a button, which focuses the alternator’s performance on creating energy to replenish your battery bank quickly.Consistent with Zeus’ ease of use, Zeus is the only alternator regulator on the market with alternator/battery harnesses and 2 thermistor harnesses, without an additional charge, saving users money and time from sourcing harnesses.Features: Secure Bluetooth connection Harnesses, Thermistors, and NMEA 2000 kit included (extended 15' battery and 30' alternator harnesses) Monitors state of charge Can turn your engine into a dedicated generator with generator mode Pre-set battery libraries Data logging and sharing CAN bus and NMEA 2000-integrated networks Compatible with all voltage systems (12-48V) IP66 & IP67 rated 2-Year warranty Technical Specifications: Enclosure dimensions without antenna - 8.2" x 5.9" x 2.4"  Enclosure dimensions with antenna - 8.2" x 7.5" x 2.4" Weight - 1.7 lbs In the Box: Zeus high energy alternator regulator Battery wiring harness Alternator wiring harness 2 thermistors Normalized SKU: AZ1000XUPC Code: 659675592794ARCO AZ1000X Literature Download Quick Reference Guide
Sold out
ARCO Qualifies for Free Shipping Arco Zeus A225s 1-2
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Zeus A225s 1-2" Alternator with Regulator #A225S-12-SF12-IE-49K6 $909.00
Download Literature Watch VideoARCO A225S-12-SF12-IE-49K6 AlternatorsZeus A225S 1"-2" Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to: Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM Components Optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A225S cooler. This translates to more amperage for sustained periods. For maximum performance or lithium battery charging, use an ARCO Zeus Bluetooth alternator regulator. SAE J1171 Certified. Proudly made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 130mm Frame Size - Small Weight - 12lbs/6.7kg Regulation - Internal/External  Output Voltage - 14.1v (default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 254 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps Mounting Application:Replaces most domestic styles using a single 1or 2” mounting foot (e.g., Motorola, Prestolite). Normalized SKU: A225S12SF12IE49K6UPC Code: 695845616785ARCO A225S-12-SF12-IE-49K6 Literature Download Quick Reference Guide Product BrochureARCO A225S-12-SF12-IE-49K6 Video
Sold out
ARCO Qualifies for Free Shipping Arco Zeus A225s Vortec Alternator with Regulator #A225S-12-VT-IE-49K6
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Zeus A225s Vortec Alternator with Regulator #A225S-12-VT-IE-49K6 $909.00
Download Literature Watch VideoARCO A225S-12-VT-IE-49K6 AlternatorsZeus A225S Vortec Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to: Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM Components Optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A225S cooler. This translates to more amperage for sustained periods. For maximum performance or lithium battery charging, use an ARCO Zeus Bluetooth alternator regulator. SAE J1171 Certified. Proudly made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 130mm Frame Size - Small Weight - 12lbs/6.7kg Regulation - Internal/External Output Voltage - 14.1v (default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 254 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps Mounting Application:Replaces Mando type alternators using Vortec/ GM pad mounting feet (Found on many Mercruiser and Volvo Penta 3.0GLM, 3.0GLP, 4.3GXi, 5.7GiL, 5.7GXiL Marine Engines.) (GM Blocks) Normalized SKU: A225S12VTIE49K6UPC Code: 695845635298ARCO A225S-12-VT-IE-49K6 Literature Download Quick Reference Guide Product BrochureARCO A225S-12-VT-IE-49K6 Video
Sold out -18% sale
ARCO Qualifies for Free Shipping Arco Zeus A225s J-180 3.15
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Zeus A225s J-180 3.15" Alternator with Regulator #A225S-12-DF315-IE-49K6 $837.98 $1,014.74
Download Literature Watch VideoARCO A225S-12-DF315-IE-49K6 AlternatorsZeus A225S J-180 3.15" Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to: Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM Components Optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A225S cooler. This translates to more amperage for sustained periods. For maximum performance or lithium battery charging, use an ARCO Zeus Bluetooth alternator regulator. SAE J1171 Certified. Proudly made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 130mm Frame Size - Small Weight - 12lbs/6.7kg Regulation - Internal/External Output Voltage - 14.1v (default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 254 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps Mounting Application:Replaces most small case styles using a 3.15” J180 saddle style mount (e.g., Hitachi, Lucas, Mitsubishi) Most Yanmars. Normalized SKU: A225S12DF315IE49K6UPC Code: 695845892578ARCO A225S-12-DF315-IE-49K6 Literature Download Quick Reference Guide Product BrochureARCO A225S-12-DF315-IE-49K6 Video
Sold out -16% sale
ARCO Qualifies for Free Shipping Arco Zeus A225s J-180 3.15
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Zeus A225s J-180 3.15" Alternator with Terminal #A225S-12-DF315-EX-49K6 $698.00 $828.07
Download Literature Watch VideoARCO A225S-12-DF315-EX-49K6 AlternatorsZeus A225S J-180 3.15" Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to: Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM Components Optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A225S cooler. This translates to more amperage for sustained periods. For maximum performance or lithium battery charging, use an ARCO Zeus Bluetooth alternator regulator. SAE J1171 Certified. Proudly made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 130mm Frame Size - Small Weight - 12lbs/6.7kg Regulation - External Only Output Voltage - 14.1v (default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 254 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps Mounting Application:Replaces most small case styles using a 3.15” J180 saddle style mount (e.g., Hitachi, Lucas, Mitsubishi) Most Yanmars. Normalized SKU: A225S12DF315EX49K6UPC Code: 695845653315ARCO A225S-12-DF315-EX-49K6 Literature Download Quick Reference Guide Product BrochureARCO A225S-12-DF315-EX-49K6 Video
-18% sale
Balmar Qualifies for Free Shipping Balmar Pulley Kit Yanmar 4JH4-HTE-TE-DTE #48-YSP-4JH-B
00
DAYS
00
HRS
00
MIN
00
SEC
Balmar Balmar Pulley Kit Yanmar 4JH4-HTE-TE-DTE #48-YSP-4JH-B $779.30 $943.69
Download LiteratureBalmar 48-YSP-4JH-B AlternatorsPulley Kit, Yanmar 4JH4-HTE-TE-DTEThe AltMount® Serpentine Pulley Conversion Kit provides an easily installed solution to provide greater load transfer and reduce engine noise and vibration. While the installation process for this kit is moderately simple, Balmar strongly recommends reading and following the installation instructions closely when installing the kit—this AltMount® Serpentine Pulley Conversion Kit for Yanmar diesel engines.Yanmar Engines Covered: 4JH4-HTE-TE, -DTEKit Includes:  Three Ten-Groove (J10) Pulleys Two J10 46″ circumference serpentine belts (one spare) and mounting hardware Note: If users specify an AT-200A Alternator, a longer belt length may be required. Call Balmar Technical Support @ +1 (360) 435-6100 x3This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Normalized SKU: 48YSP4JHBUPC Code: 676205501033Balmar 48-YSP-4JH-B Literature Download Product Brochure
Sold out -11% sale
ARCO Qualifies for Free Shipping Arco Marine Zeus A275l 1
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Marine Zeus A275l 1"-2" Single Foot Alternator with #A275L-12-SF12-EX-49K6 $1,022.00 $1,140.80
Download LiteratureARCO A275L-12-SF12-EX-49K6 AlternatorsZeus A275L 1"-2" Single Foot Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most domestic styles using a single 1” or 2” mounting foot (e.g., Motorola, Prestolite)This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Normalized SKU: A275L12SF12EX49K6UPC Code: 695845908453ARCO A275L-12-SF12-EX-49K6 Literature Download Quick Reference Guide Owners Manual
Sold out
ARCO Qualifies for Free Shipping Arco Marine Zeus A275l J-180 4
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Marine Zeus A275l J-180 4" Alternator with Regulator #A275L-12-DF4-IE-49K6 $1,136.00
Download LiteratureARCO A275L-12-DF4-IE-49K6 AlternatorsZeus A275L J-180 4" Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most Volvo Penta alternators using a 4” J180 saddle-style mountThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Normalized SKU: A275L12DF4IE49K6UPC Code: 695845877032ARCO A275L-12-DF4-IE-49K6 Literature Download Quick Reference Guide Owners Manual
Sold out
ARCO Qualifies for Free Shipping Arco Marine Zeus A275l 1
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Marine Zeus A275l 1"-2" Single Foot Alternator with #A275L-12-SF12-IE-49K6 $1,136.00
Download LiteratureARCO A275L-12-SF12-IE-49K6 AlternatorsZeus A275L 1"-2" Single Foot Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most domestic styles using a single 1” or 2” mounting foot (e.g., Motorola, Prestolite)This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Normalized SKU: A275L12SF12IE49K6UPC Code: 695845934155ARCO A275L-12-SF12-IE-49K6 Literature Download Quick Reference Guide Owners Manual
Sold out
ARCO Qualifies for Free Shipping Arco Marine Zeus A275l J-180 4
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Marine Zeus A275l J-180 4" Alternator with Terminal #A275L-12-DF4-EX-49K6 $1,022.00
Download LiteratureARCO A275L-12-DF4-EX-49K6 AlternatorsZeus A275L J-180 4" Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most Volvo Penta alternators using a 4” J180 saddle-style mountThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Normalized SKU: A275L12DF4EX49K6UPC Code: 695845717048ARCO A275L-12-DF4-EX-49K6 Literature Download Quick Reference Guide Owners Manual
-14% sale
Balmar Not Qualified for Free Shipping Balmar Alternator 250a 12v 1-2
00
DAYS
00
HRS
00
MIN
00
SEC
Balmar Balmar Alternator 250a 12v 1-2" Single Foot Spindle #XT-SF-250-K6 $1,282.08 $1,487.21
Download LiteratureBalmar XT-SF-250-K6 AlternatorsAlternator 250 AMP 12V 1-2" Single Foot Spindle Mount K6 PulleyAlternator, XT Series, 250A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Case Ground1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based EnginesReplaces: AT-SF-200-12-IG, AT-SF-200-K6This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Normalized SKU: XTSF250K6UPC Code: 676205502368Balmar XT-SF-250-K6 Literature Download Product Brochure
Sold out
ARCO Qualifies for Free Shipping Arco Marine Zeus A275l Vortec Alternator with Terminal Block #A275L-12-VT-EX-49K6
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Marine Zeus A275l Vortec Alternator with Terminal Block #A275L-12-VT-EX-49K6 $1,022.00
Download LiteratureARCO A275L-12-VT-EX-49K6 AlternatorsZeus A275L Vortec Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.) Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces Mando-type alternators using Vortec/GM pad mounting feet. (Found on many Mercruiser and Volvo Penta 3.0GLM, 3.0GLP, 4.3GXi, 5.7GiL, 5.7GXiL Marine Engines.) (GM Blocks)This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Normalized SKU: A275L12VTEX49K6UPC Code: 695845547775ARCO A275L-12-VT-EX-49K6 Literature Download Quick Reference Guide Owners Manual
Sold out
ARCO Qualifies for Free Shipping Arco Marine Zeus A275l Vortec Alternator with Regulator #A275L-12-VT-IE-49K6
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Marine Zeus A275l Vortec Alternator with Regulator #A275L-12-VT-IE-49K6 $1,136.00
Download LiteratureARCO A275L-12-VT-IE-49K6 AlternatorsZeus A275L Vortec Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.) Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces Mando-type alternators using Vortec/GM pad mounting feet. (Found on many Mercruiser and Volvo Penta 3.0GLM, 3.0GLP, 4.3GXi, 5.7GiL, 5.7GXiL Marine Engines.) (GM Blocks) This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Normalized SKU: A275L12VTIE49K6UPC Code: 695845806575ARCO A275L-12-VT-IE-49K6 Literature Download Quick Reference Guide Owners Manual
ARCO Qualifies for Free Shipping Arco Marine Zeus A275l Transit Alternator with Regulator #A275L-12-TR-IE-49K6
00
DAYS
00
HRS
00
MIN
00
SEC
ARCO Arco Marine Zeus A275l Transit Alternator with Regulator #A275L-12-TR-IE-49K6 $1,136.00
Download LiteratureARCO A275L-12-TR-IE-49K6 AlternatorsZeus A275L Transit Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces Ford Transit alternators 3.5L & 3.7L Gas engines 2015-2022This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Normalized SKU: A275L12TRIE49K6UPC Code: 695845635397ARCO A275L-12-TR-IE-49K6 Literature Download Quick Reference Guide Owners Manual

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
  • Truck Freight - Not Qualified for Free Shipping: This item has to be shipped via truck freight. Please contact us for a quote
  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.

If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

Free Shipping

On most orders $149+ to the continental 48 US states.

Secure Shopping

Fast, secure checkout with a variety of payment methods.

Shop with confidence

25+ years serving the marine industry.

Support center

Need help? Contact us via live chat, phone, or email.