Timing Belt Tensioner Kit – Fits Volvo Penta OHC AQ120-AQ151 (Replaces 271713, 463633)

Timing Belt Tensioner Kit – Fits Volvo Penta OHC AQ120-AQ151 (Replaces 271713, 463633)

This timing belt tensioner kit is engineered for 4-cylinder OHC Volvo Penta gasoline engines, covering models from 110 HP to 146 HP manufactured between 1966 and 1993. It is designed to fit a wide range of popular engines, including the AQ120, AQ125, AQ131, AQ140, AQ145, and AQ151 series.

As a direct replacement component, this kit corresponds to multiple Volvo Penta original part numbers, ensuring a precise fit for maintenance and repair. It replaces Volvo Penta numbers 271713, 463377, 463633, 4636338, 0463633, 04636338, and 32298826.

• Installation Method: Installs as a direct OEM replacement with no modifications required.
• Fuel Compatibility: Designed exclusively for gasoline engines.
• Complete Kit: Includes both the timing belt and the corresponding tensioner for a full replacement.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers for your application.

Compatible Engine Models

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

• 1 x Timing belt tensioner
• 1 x Timing belt

Explosion Diagram

Installation Guide

Follow these steps for proper installation. Always refer to your engine's specific service manual for detailed instructions and torque specifications.

1. Safety First: Disconnect the battery and relieve any pressure from the fuel system.
2. Access Components: Remove engine covers or other parts that obstruct access to the timing belt assembly.
3. Align Timing Marks: Carefully rotate the engine to align the timing marks on the crankshaft and camshaft pulleys. Do not proceed without confirming alignment.
4. Release Tension: Loosen the bolt on the old tensioner to release pressure from the timing belt.
5. Remove Old Parts: Carefully slide the old timing belt off the pulleys and remove the old tensioner assembly.
6. Install New Tensioner: Mount the new tensioner, leaving it loose enough to allow for belt installation.
7. Install New Belt: Route the new timing belt over the pulleys, ensuring timing marks remain perfectly aligned.
8. Set Tension: Apply the correct tension to the belt using the new tensioner according to your service manual's specifications.
9. Torque Tensioner: Securely tighten the tensioner’s mounting bolts to the manufacturer's recommended torque.
10. Verify Alignment: Manually rotate the engine through two full revolutions and re-check that all timing marks are still aligned and belt tension is correct.
11. Reassemble: Reinstall all covers and components that were previously removed.
12. Final Check: Reconnect the battery, start the engine, and listen for any unusual noises to confirm proper operation.

Troubleshooting & FAQ

How do I confirm this kit fits my Volvo Penta engine?
This kit is designed for 4-cylinder OHC Volvo Penta models like the AQ120, AQ125, AQ131, AQ140, AQ145, and AQ151 built from 1966 to 1993. To ensure a perfect match, please check the "Compatible Engine Models" table above with your specific model and year. Additionally, cross-reference your old part number with those listed in our "Part Number Cross-Reference" section, such as 271713 and 463633.

What are the signs that my timing belt and tensioner need replacement?
Common signs of failure include a ticking or rattling noise coming from the engine, frequent engine misfires, oil leaking from the front of the motor, or visible damage like cracks and fraying on the timing belt itself. It is critical to replace these components based on the manufacturer's service schedule, even if no symptoms are present, to prevent catastrophic engine failure.

How often should I replace the timing belt and tensioner?
Replacement intervals depend on your engine model and usage patterns. A general guideline for these Volvo Penta OHC engines is every 5–7 years or after a specific number of operating hours, whichever comes first. For the most accurate schedule, you must consult your engine's official service manual.

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.