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Wirthco Qualifies for Free Shipping Wirthco Battery Isolator 150a #20092
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Wirthco Wirthco Battery Isolator 150a #20092 $115.74 $143.68
Wirthco 20092 Battery IsolatorsAlso sold as Battery DoctorOur new state-of-the-art, fully automatic dual battery controller is suitable for any vehicle with an auxiliary battery. Smaller and lighter than other standard battery isolators, the Battery Doctor Battery Isolator employs electronic switching control technology. Our high-performance electronic isolator allows you to charge two batteries from a single alternator, and keeps the starting battery isolated from the second battery. Also, with a single push of the override/reset button, you can change the batteries to parallel mode for jump starting. Includes mounting bracket that houses the 4" x 4" x 2" Isolator. Amperage: 150 Amp. Voltage: 12 Volt. Charging Type: Parallel. Control: Electric. Approval: EMC. Current Draw: Charging 50 mA/(Standby 30 mA). Surge Protection: Built-In. Mounting: Surface/Fire Wall/Battery Side. Voltage Draw: None. Water resistant – suitable for marine use (IP62) Priority charging for starting battery Over current and surge protected for vehicles with electronic systems Manual override for starting battery Automatically charges auxiliary battery Normalized SKU: 20092UPC Code: 010054200929
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Wirthco Qualifies for Free Shipping Wirthco Bullet Connector 16 14 AWG 5-pk #80873
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Wirthco Wirthco Bullet Connector 16 14 AWG 5-pk #80873 $1.89 $2.22
Wirthco 80873 Terminals & KitsThe WirthCo Nylon Bullet Connectors features a high-temperature insulation rated to 221° F (105° C) and a maximum voltage of 600V. Sold as a pack of five. Composed of 16-14 gauge. Package Type: 5 count / Retail Insulation: Nylon - Rated to 221° F (105° C) Type: Bullet Connector - Male Gauge: 16-14 AWG Package of 5 bullet connectors Normalized SKU: 80873UPC Code: 010054808739
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Wirthco Qualifies for Free Shipping Wirthco Butt Connector 12 10 AWG 25-pk #80807
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Wirthco Wirthco Butt Connector 12 10 AWG 25-pk #80807 $5.07 $5.96
Wirthco 80807 Terminals & KitsWirthCo Butt Connectors feature a nylon construction. The high-temperature insulation is rated to 221°F (105°C)! Includes twenty-five 12-10 AWG connectors. Nylon construction High-temperature insulation - Rated to 221°F (105°C) Gauge: 12-10 AWG Includes 25 connectors Normalized SKU: 80807UPC Code: 010054808071
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Wirthco Qualifies for Free Shipping Wirthco Butt Connector 12 10 AWG 25-pk #80816
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Wirthco Wirthco Butt Connector 12 10 AWG 25-pk #80816 $5.81 $6.84
Wirthco 80816 Terminals & KitsWirthCo Vinyl Butt Connectors are insulated to a 167°F (75°F) rating. They feature a maximum voltage of 300V. Includes 25 connectors. General purpose vinyl insulation Rated to 167°F (75°C) Gauge: 12-10 AWG Maximum Voltage: 300V Includes 25 connectors Normalized SKU: 80816UPC Code: 010054808163
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Wirthco Qualifies for Free Shipping Wirthco Butt Connector 16 14 AWG 25-pk #80804
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Wirthco Wirthco Butt Connector 16 14 AWG 25-pk #80804 $4.03 $4.74
Wirthco 80804 Terminals & KitsWirthCo Butt Connectors feature a nylon construction. The high-temperature insulation is rated to 221°F (105°C)! Includes twenty-five 16-14 AWG connectors. Nylon construction High-temperature insulation - Rated to 221°F (105°C) Gauge: 16-14 AWG Includes 25 connectors Normalized SKU: 80804UPC Code: 010054808040
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Wirthco Qualifies for Free Shipping Wirthco Butt Connector 16 18 AWG 25-pk #80813
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Wirthco Wirthco Butt Connector 16 18 AWG 25-pk #80813 $3.06 $3.60
Wirthco 80813 Terminals & KitsWirthCo Vinyl Butt Connectors are insulated to a 167°F (75°F) rating. They feature a maximum voltage of 300V. Includes 25 connectors. General purpose vinyl insulation Rated to 167°F (75°C) Gauge: 16-14 AWG Maximum Voltage: 300V Includes 25 connectors Normalized SKU: 80813UPC Code: 010054808132
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Wirthco Qualifies for Free Shipping Wirthco Butt Connector 22 18 AWG 25-pk #80801
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Wirthco Wirthco Butt Connector 22 18 AWG 25-pk #80801 $3.86 $4.54
Wirthco 80801 Terminals & KitsWirthCo Butt Connectors feature a nylon construction. The high-temperature insulation is rated to 221°F (105°C)! Includes twenty-five 22-18 AWG connectors. Nylon construction High-temperature insulation - Rated to 221°F (105°C) Gauge: 22-18 AWG Includes 25 connectors Normalized SKU: 80801UPC Code: 010054808019
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Wirthco Qualifies for Free Shipping Wirthco Butt Connector 22 18 AWG 25-pk #80810
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Wirthco Wirthco Butt Connector 22 18 AWG 25-pk #80810 $3.01 $3.54
Wirthco 80810 Terminals & KitsWirthCo Vinyl Butt Connectors are insulated to a 167°F (75°F) rating. They feature a maximum voltage of 300V. Includes 25 connectors. General purpose vinyl insulation Rated to 167°F (75°C) Gauge: 22-18 AWG Maximum Voltage: 300V Includes 25 connectors Normalized SKU: 80810UPC Code: 010054808101
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Wirthco Qualifies for Free Shipping Wirthco Butt Connector 22 18 AWG 5-pk #80800
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Wirthco Wirthco Butt Connector 22 18 AWG 5-pk #80800 $2.04 $2.40
Wirthco 80800 Terminals & KitsWirthCo Butt Connectors feature a nylon construction. The high-temperature insulation is rated to 221°F (105°C)! Includes five 22-18 AWG connectors. Nylon construction High-temperature insulation - Rated to 221°F (105°C) Gauge: 22-18 AWG Includes 5 connectors Normalized SKU: 80800UPC Code: 010054808002
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Wirthco Qualifies for Free Shipping Wirthco Capped Funnel 1 Pint Orange #32105
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Wirthco Wirthco Capped Funnel 1 Pint Orange #32105 $12.40 $14.80
Wirthco 32105 Portable Fuel Tanks, Funnels and StrapsDouble capped funnels eliminate spills and contaminants. Help reduce debris. Clean fluids help prevent mechanical damage. Chemically resistant polyethylene. Caps eliminate spills and contaminants Reduces debris Clean fluids help prevent mechanical damage Chemically resistant polyethylene Normalized SKU: 32105UPC Code: 010054321051
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Wirthco Qualifies for Free Shipping Wirthco Capped Funnel 1-1/4
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Wirthco Wirthco Capped Funnel 1-1/4" Quart #32115 $14.79 $17.65
Wirthco 32115 Funnel Capped Funnel, 1-1/4 QuartFunnels have dirt- and dust-resistant caps with a polypropylene cap for both the funnel and the spout. Style caps eliminate spills and contaminants.Normalized SKU: 32115UPC Code: 010054321150
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Wirthco Qualifies for Free Shipping Wirthco Circuit & Spark Plug Tester #21049
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Wirthco Wirthco Circuit & Spark Plug Tester #21049 $11.22 $13.39
Wirthco 21049 Electrical ToolsHigh quality tester instantly locates wiring problems such as bad connections, faulty or broken wires and sockets in 12 volt - 24 volt systems. A light will shine if the battery’s condition is sound. No light will be visible if there is a short circuit or the battery is low. Includes alligator ground clip and 3 inch metal probe with cover. Overall length: 8 inches with a full 45 inch lead wire Includes alligator ground clip and 3 inch metal probe with cover High quality tester instantly locates wiring problems such as bad connections, faulty or broken wires and sockets in 12 volt - 24 volt systems A light will shine if the battery’s condition is sound Normalized SKU: 21049UPC Code: 010054210492
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Wirthco Qualifies for Free Shipping Wirthco Circuit Breaker 10a Vertical #31121
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Wirthco Wirthco Circuit Breaker 10a Vertical #31121 $7.58 $8.92
Wirthco 31121 Circuit BreakersWirthCo Type-1 Stud Mounted Circuit Breakers feature an auto-reset functionality. The stud-mounted in-line design complies with Sae Standard J553. Includes one circuit breaker. Auto-reset function Stud mount design Complies with SAE Standard J553 Amp Rating: 10 Normalized SKU: 31121UPC Code: 010054311212
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Wirthco Qualifies for Free Shipping Wirthco Circuit Breaker 15a Horizontal #31112
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Wirthco Wirthco Circuit Breaker 15a Horizontal #31112 $7.58 $8.92
Wirthco 31112 Circuit Breakers Battery Doctor Auto Reset Circuit Breaker w/Right Angle Bracket, 15aWirthco Engineering Inc 31112-7 Wirthco Circuit Breaker - 15 Amp. Works for all 12V applications. Includes nuts, washers, and integral mounting bracket. Mounting holes are 3/16" in diameter, 1-9/16" on centers. Complies with SAE Standard J553 Auto Reset Normalized SKU: 31112UPC Code: 010054311120
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Wirthco Qualifies for Free Shipping Wirthco Circuit Breaker 15a Vertical #31122
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Wirthco Wirthco Circuit Breaker 15a Vertical #31122 $8.35 $9.82
Wirthco 31122 Circuit BreakersWirthCo Type-1 Stud Mounted Circuit Breakers feature an auto-reset functionality. The stud-mounted in-line design complies with Sae Standard J553. Includes one circuit breaker. Package Type: 1 count / Retail Type: Stud mounted with in-line bracket Amp Rating: 15 Amp Rating: 15 Normalized SKU: 31122UPC Code: 010054311229
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Wirthco Qualifies for Free Shipping Wirthco Circuit Breaker 20a Vertical #31123
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Wirthco Wirthco Circuit Breaker 20a Vertical #31123 $7.58 $8.92
Wirthco 31123 Circuit BreakersWirthCo Type-1 Stud Mounted Circuit Breakers feature an auto-reset functionality. The stud-mounted in-line design complies with Sae Standard J553. Includes one circuit breaker. Package Type: 1 count / Retail Type: Stud mounted with in-line bracket Amp Rating: 20 Amp Rating: 20 Normalized SKU: 31123UPC Code: 010054311236
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Wirthco Qualifies for Free Shipping Wirthco Circuit Breaker 30a Blade #31184
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Wirthco Wirthco Circuit Breaker 30a Blade #31184 $8.45 $10.08
Wirthco 31184 Circuit Breakers Battery Doctor Auto Reset Circuit Breaker - Blade Style, 30 AmpDesigned to protect an electrical circuit from damage caused by overload or short circuits.  Universal plug-in mounted circuit breaker 30 amp replacement for ATC and ATO blade-type fuses. Terminals can be shortened for different applications. Continuously self-resetting, universal male blade terminals fit OEM fuse blocks. For 12VDC systems. 1 per package Blade design Auto reset 30 Amp Normalized SKU: 31184UPC Code: 010054311847
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Wirthco Qualifies for Free Shipping Wirthco Circuit Breaker 30a Vertical #31125
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Wirthco Wirthco Circuit Breaker 30a Vertical #31125 $7.58 $8.92
Wirthco 31125 Circuit BreakersWirthCo Type-1 Stud Mounted Circuit Breakers feature an auto-reset functionality. The stud-mounted in-line design complies with Sae Standard J553. Includes one circuit breaker. Package Type: 1 count / Retail Type: Stud mounted with in-line bracket Amp Rating: 30 Amp Rating: 30 Normalized SKU: 31125UPC Code: 010054311250
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Wirthco Qualifies for Free Shipping Wirthco Circuit Breaker 50a Horizontal #31118
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Wirthco Wirthco Circuit Breaker 50a Horizontal #31118 $8.35 $9.82
Wirthco 31118 Circuit BreakersWirthco's Automatic Reset Circuit Breaker works for all 12V applications. It includes nuts, washers, and integral mounting bracket. Mounting holes are 3/16" diameter, 1-9/16" on centers. The stud mount design features a right angle bracket. Works for all 12V applications Includes nuts, washers, and integral mounting bracket Quick and easy installation Refer to manufacturer recommendations to ensure a proper fit Normalized SKU: 31118UPC Code: 010054311182
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Wirthco Qualifies for Free Shipping Wirthco Circuit Breaker 50a Vertical #31128
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Wirthco Wirthco Circuit Breaker 50a Vertical #31128 $8.04 $9.46
Wirthco 31128 Circuit BreakersWirthCo Type-1 Stud Mounted Circuit Breakers feature an auto-reset functionality. The stud-mounted in-line design complies with Sae Standard J553. Includes one circuit breaker. Package Type: 1 count / Retail Type: Stud mounted with in-line bracket Amp Rating: 50 Amp Rating: 50 Normalized SKU: 31128UPC Code: 010054311281

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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!

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