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V-Belt – Fits Volvo Penta 4.3L, 5.0L, 5.7L (Replaces 3852464, 18-15455)

Regular price $14.69

Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This replacement V-Belt for Power Steering is designed for specific Volvo Penta gasoline engines, including the 4.3L, 5.0L, and 5.7L series equipped with power steering. Compatibility for specific model years should be verified by part number before purchase.

It serves as a direct replacement for Volvo Penta part number 3852464 and Sierra aftermarket part 18-15455.

  • Installation Method: External
  • Material: High-endurance rubber compound
  • Package Includes: 1 x V-Belt

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand Part Number
Volvo Penta 3852464
Sierra 18-15455

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This belt is engineered for Volvo Penta gasoline sterndrive engines. Please ensure your model is listed and uses the specified OEM part number for its power steering system.

Brand Model Rated HP Stroke OEM Part No. Notes
Volvo Penta 4.3L 4.3L 4-Stroke 3852464 For power steering applications
Volvo Penta 5.0L 5.0L 4-Stroke 3852464 For power steering applications
Volvo Penta 5.7L 5.7L 4-Stroke 3852464 For power steering applications

Technical Specs

Product Type
V-Belt
Installation
External
Material
Rubber
Color
Black
Belt Style
V-Belt
Compatible With
Power Steering System, Alternator
Weight
3.52 ounces (100 grams)

What’s in the Box

  • 1 x V-Belt (3852464)

Installation Notes

  1. Disconnect the boat's battery for safety.
  2. Locate the power steering pump and identify the existing V-belt and pulley system.
  3. Loosen the tensioner pulley or adjustment bolt to create slack in the old belt.
  4. Carefully slide the old belt off the pulleys. Note the routing path.
  5. Compare the new belt with the old one to ensure they match in length and profile.
  6. Route the new belt onto the pulleys, following the correct path. Ensure it is properly seated in all grooves.
  7. Re-apply tension using the adjuster until the belt has approximately 1/2 inch of deflection when pressed firmly. Do not overtighten.
  8. Tighten all adjustment and mounting bolts to the manufacturer's specified torque.
  9. Reconnect the battery.
  10. Start the engine and observe the belt to ensure it runs true on the pulleys without slipping or squealing.

Troubleshooting & FAQ

How do I confirm this belt fits my Volvo Penta engine?

The best way is to match the part number. Check your engine's service manual or examine the existing belt for the number 3852464. While this belt fits many 4.3L, 5.0L, and 5.7L models, variations exist, making the part number the most reliable confirmation.

What are signs of a worn or failing V-belt?

Common symptoms include a high-pitched squealing sound from the engine bay (especially on startup or sharp turns), visible cracks or fraying on the belt surface, a smooth or glazed appearance on the belt's sides, or a noticeable loss of power steering assistance.

How often should a power steering belt be replaced?

Preventive replacement is recommended every 3-5 years or as specified in your engine's maintenance schedule. Regular inspection for wear, tension, and damage is crucial for preventing unexpected failure on the water.

Can I install this belt myself?

If you have experience with basic engine maintenance and the correct tools, installation is straightforward. However, achieving proper tension is critical. If you are unsure, professional installation is recommended to ensure safety and prevent damage.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

  • Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
  • This is an aftermarket replacement, not an OEM component.
  • Professional installation is recommended for safety and performance.

About Sea Sierra

  • Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
  • Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
  • Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.

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