V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited

V-Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57-65607Q, 0509302)

Vendor: JLM Marine
Availability: In Stock
Product Type: Belt
$24.59
$24.59
Subtotal: $24.59

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V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited

V-Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57-65607Q, 0509302)

$24.59
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited
V - Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57 - 65607Q, 0509302) - JLM Marine Boat Parts Limited

V-Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines (Replaces 57-65607Q, 0509302)

$24.59
Descripción

V-Belt – Fits MerCruiser & OMC 120HP, 140HP, 165HP, 3.0L Engines

This V-belt is engineered for use with the power steering pump on a wide range of MerCruiser and OMC stern drive engines. It is designed to meet or exceed OEM specifications, providing a reliable replacement for worn or damaged belts on MerCruiser 120 HP to 165 HP models and 2.5L to 3.0L engines manufactured between 1974 and 2010.

This part is a direct replacement for MerCruiser part numbers 57-65607Q, 57-65607T, 65607Q, 65607T; OMC part number 0509302; and Sierra part number 18-15370, ensuring a precise fit for a straightforward installation.

  • Application: Specifically designed for power steering pump systems.
  • Dimensions: Measures 37 inches (940mm) in length and 29/64 inches in width.
  • Compatibility: For use with engines equipped with a metal power steering pump assembly.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Brand Part Number
MerCruiser 57-65607Q
MerCruiser 57-65607T
MerCruiser 65607Q
MerCruiser 65607T
OMC 0509302
Sierra 18-15370

Compatible Engine Models

Confirm your engine model/year in the table below.

Brand Model Rated HP Stroke Years OEM Part No. Notes
MerCruiser 120 120 4-Stroke 1974-1982 57-65607Q SN 3770650-6229717
MerCruiser 120 (2.5L) 120 4-Stroke 1982-1989 57-65607Q SN 6229718-C853255, With Power Steering
MerCruiser 140 140 4-Stroke 1974-1982 57-65607Q SN 3770650-6229717
MerCruiser 140/3.0L/3.0LX 140 4-Stroke 1982-1999 57-65607Q SN 6229718-Up, With Power Steering
MerCruiser 3.0L/3.0LX/3.0L MPI 130-140 4-Stroke 1987-2010 57-65607Q With Power Steering
MerCruiser 165 165 4-Stroke 1974-1981 57-65607Q SN 3774865-5813433

Also compatible with similar era OMC engines requiring part number 0509302.

Technical Specifications

Specification Value
Product Type V-Belt
Installation Power Steering Pump
Dimensions 37 inches (940mm) length, 29/64 inch width
Housing Color Black
Other Technical Attributes For use with metal power steering pump assembly

Package Contents

1 x V-Belt (Replaces 57-65607Q)

Installation Guide

  1. Disconnect Power: Ensure the engine is off and disconnect the battery terminals to prevent accidental starting.
  2. Locate the Belt: Identify the power steering pump and the V-belt connected to its pulley.
  3. Release Tension: Loosen the tensioner pulley or the power steering pump's mounting bolts to release tension on the old belt.
  4. Remove Old Belt: Carefully slip the old belt off the crankshaft pulley, power steering pump pulley, and any idler pulleys.
  5. Verify Fit: Lay the new belt next to the old one to confirm they are the same length and width before proceeding.
  6. Route New Belt: Install the new belt, ensuring it is correctly seated in the grooves of all pulleys.
  7. Apply Tension: Adjust the tensioner or pump position to apply correct tension to the new belt. A general rule is allowing for about 1/2 inch of flex at the longest span.
  8. Tighten Bolts: Securely tighten all adjustment and mounting bolts. Double-check the belt tension once everything is tight.
  9. Final Check: Reconnect the battery, start the engine, and listen for any unusual noises. Check that the power steering operates smoothly.

Troubleshooting & FAQ

How do I confirm this belt fits my engine?
For MerCruiser models, check your engine model, year, and serial number against the compatibility table above. For OMC engines, verify that your original part is number 0509302 or that your service manual specifies it.

Is this belt for the alternator or the power steering pump?
This V-belt is specifically designed to drive the power steering pump on the listed engine models.

What are the signs of a failing V-belt?
Common symptoms include a high-pitched squealing noise (especially on startup or during sharp turns), visible cracks or fraying on the belt's surface, a glazed or shiny appearance, or a noticeable decrease in power steering performance.

How often should a power steering V-belt be replaced?
There is no fixed interval, but it is best practice to inspect the belt during routine maintenance. It should be replaced immediately if you notice any signs of wear, such as cracking, glazing, contamination, or excessive noise.

This is an aftermarket part. How does it compare to OEM?
This listing is an aftermarket replacement part, not an OEM component. We build our parts to meet or exceed OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance and quality.

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.
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Acerca de JLM Marine

Fundada en 2002, JLM Marine se ha consolidado como un fabricante dedicado de piezas marinas de alta calidad, con sede en China. Nuestro compromiso con la excelencia en la fabricación nos ha ganado la confianza de las principales marcas marinas a nivel mundial.

Como proveedor directo, evitamos intermediarios, lo que nos permite ofrecer precios competitivos sin comprometer la calidad. Este enfoque no solo promueve la rentabilidad, sino que también garantiza que nuestros clientes reciban el mejor valor directamente del proveedor.

Estamos entusiasmados de ampliar nuestro alcance a través de canales minoristas, llevando nuestra experiencia y compromiso con la calidad directamente a los propietarios de embarcaciones y entusiastas de todo el mundo.

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