Power Steering Drive Belt – Fits Volvo Penta D4 & D6 Series 145-480HP (21407028, 3582696)

Power Steering Drive Belt – Fits Volvo Penta D4 & D6 Series (21407028, 3582696)

This high-quality aftermarket power steering drive belt is engineered to fit Volvo Penta D4 and D6 series marine diesel engines. It is designed for models produced between 2005 and 2025 with power ratings from 145HP to 480HP, ensuring reliable performance for a wide range of applications.

This component serves as a direct replacement for Volvo Penta part numbers 21407028 and the older, superseded part number 3582696, offering a precise fit and restoring original functionality.

• Installation Type: Direct replacement for a hassle-free installation.
• Engine Compatibility: Designed specifically for Volvo Penta diesel engines.
• Belt Type: V-ribbed (serpentine) belt for efficient power transmission to the power steering pump.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers and their supersession history.

Compatible Engine Models

Confirm your engine model/year in the tables below. This part is compatible with the following Volvo Penta D4 and D6 series models.

Volvo Penta D4 Series

Volvo Penta D6 Series

Technical Specifications

Package Contents

• 1 x Power Steering Drive Belt (replaces 21407028 / 3582696)

Installation Guide

Professional installation is highly recommended. The following steps are for informational purposes only.

1. Safety First: Ensure the engine is off and cool, and disconnect the battery to prevent accidental starting.
2. Locate the Belt: Identify the power steering drive belt and its routing around the pulleys. Taking a picture of the routing can be helpful.
3. Release Tension: Use an appropriate tool to rotate the belt tensioner and release the tension on the old belt.
4. Remove Old Belt: Carefully slide the old belt off the pulleys.
5. Inspect Pulleys: Before installing the new belt, check all pulleys for signs of wear, damage, or seizure. Clean the pulley grooves if necessary.
6. Install New Belt: Route the new belt according to the engine's diagram, ensuring it is seated correctly in all pulley grooves.
7. Apply Tension: Slowly release the tensioner to apply the correct tension to the new belt.
8. Final Check: Reconnect the battery, start the engine, and listen for any unusual noises. Check for proper belt tracking and steering operation.

Troubleshooting & FAQ

How do I know if this belt fits my Volvo Penta engine?
This belt is specifically designed for Volvo Penta D4 and D6 series engines manufactured from 2005-2025 (145-480HP). To ensure a perfect match, please verify that your engine model is listed in our compatibility tables above and that your current part number is either 21407028 or the older 3582696.

What are the signs of a failing power steering belt?
Common signs include squealing or chirping noises from the engine bay, especially when turning the wheel. You may also notice visible damage like cracks, fraying, or glazing on the belt's surface, or experience stiffness and difficulty in steering.

How often should I replace the power steering belt?
Replacement intervals depend on engine hours, operating conditions, and exposure to elements. We recommend inspecting the belt during regular maintenance cycles. Replace it immediately if you notice any signs of wear to prevent unexpected failure.

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.