Sold out
Recmar Qualifies for Free Shipping Recmar Tension Pulley #REC3582324
00
DAYS 00
HRS 00
MIN 00
SEC
Recmar Recmar Tension Pulley #REC3582324 $72.14
Recmar REC3582324 Belt TensionerThis product replaces:3582324Normalized SKU: REC3582324UPC Code: 8435422135177
-17% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Idler Pulley #21585053
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Idler Pulley #21585053 $55.02 $66.02
Volvo Penta 21585053 Belt Tensioner Idler Pulley Normalized SKU: 21585053
-20% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Tensioner #864721
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Tensioner #864721 $133.10 $165.22
Volvo Penta 864721 Belt Tensioner Volvo Penta Exploded view / schematic Alternator, High Mounting, Classified Normalized SKU: 864721
-22% sale
Recmar Qualifies for Free Shipping Recmar Belt Tensioner #REC3860079
00
DAYS 00
HRS 00
MIN 00
SEC
Recmar Recmar Belt Tensioner #REC3860079 $141.30 $179.46
Recmar REC3860079 Belt TensionerThis product replaces:3860079 / 3860079Normalized SKU: REC3860079
-20% sale
BRP Qualifies for Free Shipping BRP Timing Belt Tensioner Assembly #5030661
00
DAYS 00
HRS 00
MIN 00
SEC
BRP BRP Timing Belt Tensioner Assembly #5030661 $116.10 $144.13
BRP 5030661 Belt Tensioner Timing Belt Tensioner Assembly This product replaces: 745419229719, BRP5030661 Normalized SKU: 5030661UPC Code: 745419229719
-20% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Belt Tensioner #24542601
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Belt Tensioner #24542601 $433.89 $541.54
Volvo Penta 24542601 Belt Tensioner  Belt Tensioner for Volvo Penta D4, D6 For engines with serial from 2004029745 & up Replaces part # 21246430, 21344508, 22667563, 22774756, 23272815, 3582694, 3583665 Normalized SKU: 24542601
-22% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Idler Pulley #22307253
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Idler Pulley #22307253 $166.44 $211.39
Volvo Penta 22307253 Belt TensionerVolvo Penta Exploded view / schematic Alternator 120A 2-POLE HE KC/CCNormalized SKU: 22307253
-17% sale
00
DAYS 00
HRS 00
MIN 00
SEC
EMP EMP Idler Pulley Assembly #56-56001 $44.99 $53.98
EMP 56-56001 Belt TensionerThis product replaces:840080489179Normalized SKU: 5656001UPC Code: 840080489179
-22% sale
Crusader Qualifies for Free Shipping Crusader Tensioner Belt 6.0L #RA068002
00
DAYS 00
HRS 00
MIN 00
SEC
Crusader Crusader Serpentine Tensioner Belt 6.0L #RA068002 $145.29 $184.53
Crusader RA068002 Belt Tensioner Serpentine belt tensioner assembly with grooved pulley fits Crusader 6.0L marine engines. Fits Crusader 6.0L marine engines Maintains proper tension of serpentine belt Original Crusader Normalized SKU: RA068002
-20% sale
Crusader Qualifies for Free Shipping Crusader Drive Belt Tensioner #RA068001
00
DAYS 00
HRS 00
MIN 00
SEC
Crusader Crusader Drive Belt Tensioner #RA068001 $143.07 $177.61
Crusader RA068001 Belt Tensioner Fits Crusader 5.0L and 5.7L carbureted and MPI marine engines with serpentine belt Fits Crusader 8.1L marine engines Maintains proper tension of serpentine belt Replaces Crusader R065057 Original Crusader Replaces Pleasurecraft Marine RA068001 Normalized SKU: RA068001
-17% sale
Recmar Qualifies for Free Shipping Recmar Alternator Belt Tensioner #REC3847482
00
DAYS 00
HRS 00
MIN 00
SEC
Recmar Recmar Alternator Belt Tensioner #REC3847482 $40.95 $49.14
Recmar REC3847482 Belt TensionerRecmar Alternator Belt Tensioner #REC3847482Normalized SKU: REC3847482UPC Code: 8435422159456
Sold out -20% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Tensioner #3855600
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Tensioner #3855600 $106.68 $132.43
Volvo Penta 3855600 Belt TensionerVolvo Penta Exploded view / schematic AlternatorNormalized SKU: 3855600
-22% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Diesel Idler Pulley #21280913
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Diesel Idler Pulley #21280913 $197.77 $251.19
Volvo Penta 21280913 Belt TensionerVolvo Penta Exploded view / schematic CompressorNormalized SKU: 21280913
Sold out -20% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Diesel Tensioner #861575
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Diesel Tensioner #861575 $134.10 $166.46
Volvo Penta 861575 Belt TensionerVolvo Penta Exploded view / schematic Timing Gear Casing and Gears: ANormalized SKU: 861575
-22% sale
Mercury Marine Qualifies for Free Shipping Mercury Marine Serpentine Belt Kit #807901A5
00
DAYS 00
HRS 00
MIN 00
SEC
Mercury Marine Mercury Marine Serpentine Belt Kit #807901A5 $179.48 $227.96
Mercury Marine 807901A5 Belt TensionerPart Name: BELT/PULLEY KITPart Class: 0000Status: ACTPack QTY: 1Pack Weight: 2.313 LBSMetric Unit Weight: 1.049 KGUPC: 745061288690Unit Lenght: 10.75 INUnit Width: 5.5 INUnit Height: 5.5 INMetric Unit Length: 27.303 CMMetric Unit Width: 13.969 CMMetric Unit Height: 13.969 CMCountry of Origin: USHazardous Code: 0Proposition 65 Warning: CANCERREPROThis product replaces:745061288690Normalized SKU: 807901A5UPC Code: 745061288690
Sold out -18% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Belt Tensioner #41100290
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Belt Tensioner #41100290 $669.70 $810.96
Volvo Penta 41100290 Belt TensionerVolvo Penta Exploded view / schematic BP800Normalized SKU: 41100290
Sold out -20% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Belt Tensioner #3888182 $133.78 $166.07
Volvo Penta 3888182 Belt TensionerVolvo Penta Exploded view / schematic Serpentine Belt and AlternatorNormalized SKU: 3888182
-22% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Belt Tensioner #3885250 Volvo Penta Qualifies for Free Shipping Volvo Penta Belt Tensioner #3885250
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Belt Tensioner #3885250 $172.74 $219.40
Volvo Penta 3885250 Belt Tensioner Belt Tensioner - Volvo Penta (3885250) ensures that the belt delivers and maintains enough tension while the engine moves the various pulleys that drive the engine components. If the belt tension is too low, the belt can slip, resulting in noise, excessively high temperatures, and premature belt wear, resulting in belt-driven accessories failing to function correctly. The belt-driven accessories will wear out quickly if the tension is too high. It ensures that everything in your engine is working correctly. This product is designed to maintain the proper strain of the serpentine belt. Belt Tensioner - Volvo Penta (3885250) is suitable for various marine engine models 4.3L, 5.0L, 5.7L GL, 5.7L Gi, 5.7L Gxi, 5.7L Si, 7.4L Gi, 7.4L GSi, and 8.2L GSi. Key Features: Long-lasting and dependable Ideal for routine maintenance and replacement Easy to install Suitable for regular maintenance and replacement. Economically advantageous Reliable and durable Genuinely made by Volvo Penta Belt Tensioner Maintains proper tension of the serpentine belt Fits various Volvo Penta V6 and V8 applications Original Volvo Penta Replaces Volvo Penta 3587858 Normalized SKU: 3885250
-18% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Diesel Belt Tensioner #22171036 Volvo Penta Qualifies for Free Shipping Volvo Penta Diesel Belt Tensioner #22171036
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Diesel Belt Tensioner #22171036 $691.92 $837.87
Volvo Penta 22171036 Belt Tensioner Diesel Belt Tensioner Replaces Volvo 21678750, 21786692 Diagram Reference Number: 2 Normalized SKU: 22171036
Sold out -20% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Diesel Belt Tensioner #24077907 Volvo Penta Qualifies for Free Shipping Volvo Penta Diesel Belt Tensioner #24077907
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Diesel Belt Tensioner #24077907 $344.74 $430.27
Volvo Penta 24077907 Belt Tensioner Diesel Belt Tensioner Replaces Volvo Penta 22774756, 21344508, 23272815 Normalized SKU: 24077907

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.

© 2026 First Choice Marine.