463377 Tensioner Pulley and Timing Belt for Volvo Penta OMC | JLM Marine

Tensioner Pulley and Timing Belt for Volvo Penta OMC Marine Engines

This Tensioner Pulley and Timing Belt kit is designed for Volvo Penta and OMC marine engines. It provides a direct replacement solution for maintaining proper timing belt tension and ensuring reliable engine performance across multiple Volvo marine applications.

This kit directly replaces OEM part numbers 463377, 271713, 463633, 4636338, 0463633, 04636338, and 32298826, offering broad compatibility with Volvo Penta marine engine installations.

• Includes both tensioner pulley and timing belt for complete replacement
• Fits Volvo 940, 240, 740, 760, 960, and 340-360 series marine engine applications
• Ensures proper timing belt alignment and tension for optimal engine operation

Part Number Cross-Reference

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

Compatible Engine Models

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

This kit includes the following components:

• Tensioner Pulley
• Timing Belt

Installation Guide

1. Disconnect the battery and ensure the engine is cool before beginning work.
2. Remove engine covers and any components obstructing access to the timing belt assembly.
3. Rotate the crankshaft to align timing marks at top dead center (TDC) on cylinder #1. Mark the position if necessary.
4. Release tension on the old tensioner pulley and remove the existing timing belt carefully.
5. Remove the old tensioner pulley by unbolting it from its mounting bracket.
6. Install the new tensioner pulley onto the mounting bracket and tighten securely according to manufacturer torque specifications.
7. Route the new timing belt around all pulleys and sprockets, ensuring proper alignment with timing marks.
8. Apply tension using the new tensioner pulley, following the specified tension adjustment procedure for your engine model.
9. Verify all timing marks remain aligned after tensioning the belt.
10. Rotate the crankshaft two complete revolutions by hand and recheck timing mark alignment.
11. Reinstall all removed components, engine covers, and reconnect the battery.
12. Start the engine and listen for any unusual noises; verify smooth operation before returning to service.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my Volvo Penta marine engine?
A: Cross-reference your engine's OEM part number with the numbers listed in the Part Number Cross-Reference table above (463377, 271713, 463633, 4636338, etc.). Additionally, verify your engine model and year match those in the Compatible Engine Models section.

Q: How often should I replace the timing belt and tensioner pulley?
A: Timing belt replacement intervals vary by engine model and usage, but most manufacturers recommend replacement every 60,000–100,000 miles or 5–7 years, whichever comes first. The tensioner pulley should typically be replaced whenever the timing belt is replaced to ensure proper tension and prevent premature belt failure.

Q: What are the signs of a failing timing belt or tensioner pulley?
A: Common symptoms include squealing or chirping noises from the engine, visible cracks or fraying on the timing belt, engine misfires or rough idling, and difficulty starting. If you notice any of these signs, inspect and replace the components immediately to prevent engine damage.

Q: Can I replace just the timing belt without changing the tensioner pulley?
A: While it's possible, it's not recommended. A worn tensioner pulley can cause premature failure of a new timing belt. Replacing both components together ensures optimal performance and longevity.

Q: Is this an OEM or aftermarket part?
A: This listing is an aftermarket replacement part designed to meet or exceed OEM specifications. It is manufactured in an ISO9002-certified facility with rigorous quality control.

Important Notes

• Verify that the product images and specifications match your original part before purchasing.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.