SKU: 36341433947

Serpentine Belt – Fits Volvo Penta 4.3L, 5.0L, 5.7L V6/V8 Engines (Replaces 21132390)

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Description

Serpentine Belt – Fits Volvo Penta 4.3L, 5.0L, 5.7L V6/V8 Engines (Replaces 21132390)Serpentine Belt Fits Volvo Penta 4. 3L, 5. 0L, 5. 7L V6 V8 Engines (Replaces 21132390) This serpentine belt is designed for reliable performance in Volvo Penta gasoline marine engines. It is a direct fit replacement for the belt that drives the alternator and other critical engine accessories, ensuring proper operation and power delivery. Engineered to meet or exceed OEM specifications, this belt fits a wide range of Volvo Penta 4. 3L V6 and 5. 0L to

Serpentine Belt – Fits Volvo Penta 4.3L, 5.0L, 5.7L V6/V8 Engines (Replaces 21132390)

This serpentine belt is designed for reliable performance in Volvo Penta gasoline marine engines. It is a direct-fit replacement for the belt that drives the alternator and other critical engine accessories, ensuring proper operation and power delivery.

Engineered to meet or exceed OEM specifications, this belt fits a wide range of Volvo Penta 4.3L V6 and 5.0L to 5.7L V8 models, including various GXi, Gi, OSi, and OSXi series inboards and stern drives. It serves as a direct replacement for Volvo Penta part numbers 21132390, 3861034, 3889126, and 3817290.

  • Direct Replacement Installation: Designed for an exact fit, requiring no modifications for installation.
  • Durable Construction: Made from a robust rubber/composite material to withstand the harsh marine environment.
  • Function: Drives essential engine accessories, including the alternator.

Part Number Cross-Reference

Use this table to confirm an equivalent part number for your application.

Brand Part Number
Volvo Penta 21132390
Volvo Penta 3861034
Volvo Penta 3889126
Volvo Penta 3817290

Compatible Engine Models

Confirm your engine model/year in the table below.

Brand Model Rated HP Stroke OEM Part No.
Volvo Penta 4.3GXi-J 4.3L V6 4-Stroke 21132390
Volvo Penta 4.3GXi-JF 4.3L V6 4-Stroke 21132390
Volvo Penta 4.3GXiE-M 4.3L V6 4-Stroke 21132390
Volvo Penta 4.3OSi-J 4.3L V6 4-Stroke 21132390
Volvo Penta 4.3OSi-JF 4.3L V6 4-Stroke 21132390
Volvo Penta 5.0GXi-J 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0GXi-JF 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0GXi-N 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0GXiE-J 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0GXiE-JF 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0GXiE-K 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0GXiE-KF 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0GXiE-M 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0GXiE-MF 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0GXiE-N 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0OSi-J 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0OSi-JF 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0OSiE-J 5.0L V8 4-Stroke 21132390
Volvo Penta 5.0OSiE-JF 5.0L V8 4-Stroke 21132390
Volvo Penta 5.7Gi-300-J 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7Gi-300-JF 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7Gi-300-N 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7GiE-300-J 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7GiE-300-JF 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7GiE-300-K 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7GXi-J 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7GXi-JF 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7GXi-N 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7GXiE-J 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7GXiE-JF 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7OSi-300-J 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7OSi-300-JF 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7OSiE-300-J 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7OSiE-300-JF 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7OSXi-J 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7OSXi-JF 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7OSXiE-J 5.7L V8 4-Stroke 21132390
Volvo Penta 5.7OSXiE-JF 5.7L V8 4-Stroke 21132390

Technical Specifications

Product Type Serpentine Belt
Installation Direct OEM Replacement
Belt Type V-Belt
Length 1130mm (44.5")
Thickness/Width 20mm (0.79")
Material Rubber/Composite
Color Black
Belt Profile Serpentine/Ribbed
Other Technical Attributes Drives alternator and accessories on Volvo Penta marine engines

Package Contents

  • 1 x Serpentine V-Belt (Replaces 21132390, 3861034, 3889126, 3817290)

Installation Guide

  1. Safety First: Ensure the engine is off and cool, and disconnect the battery terminals.
  2. Locate Tensioner: Identify the automatic belt tensioner pulley.
  3. Document Path: Take a clear photo or draw a diagram of the belt's routing around the pulleys.
  4. Release Tension: Use a properly sized wrench or breaker bar on the tensioner to release the belt tension.
  5. Remove Old Belt: Carefully slip the old belt off the pulleys.
  6. Inspect Pulleys: Check all pulleys for wobble, signs of wear, or damage before installing the new belt.
  7. Install New Belt: Following your diagram, route the new belt around all pulleys, leaving the tensioner for last.
  8. Apply Tension: Release the tensioner slowly to apply pressure to the new belt, making sure it is properly seated in every pulley groove.
  9. Final Check: Reconnect the battery, start the engine, and listen for any unusual noises while visually confirming the belt is running true.

Troubleshooting & FAQ

How do I know if this belt fits my Volvo Penta engine?

This belt is designed for specific Volvo Penta 4.3L, 5.0L, and 5.7L V6/V8 engines in the GXi, Gi, OSi, and OSXi series. Please check our "Compatible Engine Models" table and cross-reference your exact model number. It is also critical to confirm that your current belt's part number matches one of the direct replacements: 21132390, 3861034, 3889126, or 3817290.

What are the signs my serpentine belt needs replacement?

Common signs of a failing belt include visible cracks, fraying, missing ribs, or a glazed, shiny appearance on the belt surface. You may also hear loud squealing or chirping sounds from the engine bay or experience problems with accessories like a weak alternator or overheating.

What is the difference between a serpentine belt and a timing belt?

This product is a serpentine belt, also known as a V-belt or accessory drive belt. Its job is to power engine accessories like the alternator and water circulation pump. It is different from a timing belt, which synchronizes the engine's internal crankshaft and camshafts. M-istaking one for the other can cause serious engine damage, so always verify the correct part for your needs.

OEM vs. Aftermarket?

This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

How fast do you ship and how much does it cost?

We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

What is your warranty and return policy?

This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 36341433947

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Denny
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★★★★★ 5
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Color: 2-Watermelon Red, Color: 2-Watermelon Red
I bought this case along with my mother’s new iPad, and it was the perfect choice. The watermelon red color looks beautiful with the pink iPad and gives it a very clean and stylish look. The case feels sturdy without adding too much weight, which makes it comfortable for her to carry around and use every day. The stand feature works really well for watching videos, reading, and video calls. I also like that the case supports the auto wake and sleep function, which makes the iPad feel even more convenient and easy to use. The cutouts fit perfectly, and Touch ID still works without any issues. The translucent back is a nice touch because it still lets the iPad color show through while keeping it protected from scratches and bumps. Overall, this case exceeded expectations and makes a great addition for anyone wanting both protection and style for their iPad.
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Reviewed in the United States on May 14, 2026
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Leon
Pawtucket, US
★★★★★ 4
Good product. What you see is what you get.
Color: 1-Navy Blue
Material feels sturdy and was a perfect fit compatible for my iPad. There's adequate grip and padding for a comfortable yet slim feel. Magnets hold it close and in one position when propping it up for watching landscape videos. Back is translucent as advertised. Solid product, put it on as i opened my new ipad for immediate protection. Perfectly safe blind buy if you're also getting that 'frequently bought together' suggestion from Amazon.
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Reviewed in the United States on June 1, 2026
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Sue Fowler
Boise, US
★★★★★ 5
Nice iPad case. Good price, lots of colors,
Color: Papaya
Nice iPad case. Well made, fits great. Love the color!
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Reviewed in the United States on June 8, 2026
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savvy_shopper101
Natrona Heights, US
★★★★★ 5
Excellent iPad case!
Color: 1-Navy Blue
Excellent case! Perfect for what I needed, very stable, flexible and the color is great. I've had it for almost a year now and there's no damage or wear. Would buy again! Easy to use, stable mechanism to stand up right and wonderful color options!
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Reviewed in the United States on May 30, 2026
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Summer
Fort Morgan, US
★★★★★ 5
Bright & Pretty Hot Pink.
Color: Pitaya Red, Color: Pitaya Red
Very pretty and bright. It’s thick and great quality. Strong grip and doesn’t come off easily. Easy to clean when it gets dirty. It also has a nice backing. I prefer the transparent bright pink backing than the clear version. I love the strong magnetic for when I position it upwards. It can be positioned downwards too.
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