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FLASHSALE26

Belt Tensioner – Fits Volvo Penta 4.3L-8.1L, PCM/Crusader (Replaces 3885250, 3587858, RA068001)

Regular price $49.99

Worry-free returns

Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.


If the return is due to our error or a defective item, we’ll make it right.


Please contact us before returning any item.

Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

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 high-quality aftermarket Belt Tensioner is designed for a wide range of Volvo Penta marine engines, including 4.3L, 5.0L, 5.7L, and 8.1L models manufactured approximately between 2003 and 2011. It is also engineered to fit equivalent PCM and Crusader marine engines that specify the RA068001 part number.

It serves as a direct interchange for Volvo Penta part numbers 3885250, 3587858, 3587859, and 3861010, along with PCM/Crusader's RA068001, ensuring broad compatibility for serpentine belt systems.

  • Engineered as a direct OEM-style replacement for a straightforward installation.
  • Constructed with a durable metal housing to withstand the harsh marine environment.
  • Effectively resolves common issues like belt squealing and ensures proper tension.

Part Number Matrix

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

Brand Part Number Superseded By Notes
Volvo Penta 3587858 3885250 Original part number.
Volvo Penta 3587859 3885250 Alternative superseded number.
Volvo Penta 3861010 3885250 Alternative superseded number.
Volvo Penta 3885250 Current primary OEM part number.
PCM/Crusader RA068001 Direct cross-reference for compatible engines.

Engine & Model Compatibility

Confirm your engine model and year in the table below to ensure a perfect fit.

The following table lists compatible Volvo Penta models. Please verify your engine's specific model code before ordering.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Volvo Penta 4.3GL-G, 4.3GL-GF, 4.3GL-J, 4.3GL-JF, 4.3GL-P 4.3L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 4.3Gi-200-R, 4.3Gi-G, 4.3GiI-G 4.3L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 4.3GXi-225-R, 4.3GXiE-225-R, 4.3GXiE-M, 4.3GXiE-P, 4.3GXiE-Q 4.3L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 4.3GXi-F/FF/G/GF/J/JF/P/Q 4.3L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 4.3OSi-E/EF/F/FF/G/GF/J/JF 4.3L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.0GL-H/HF/J/JF 5.0L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.0GiC-225-S/J/JF 5.0L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.0GiCE-225-S/J/JF/M/MF 5.0L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.0GXi-270-R/F/FF/G/GF/J/JF/N/P 5.0L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.0GXiC-270-R/J/JF/P 5.0L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.0GXiCE-270-R/J/JF/M/MF/P 5.0L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.0GXiE-270-R/J/JF/K/KF/M/MF/N/P 5.0L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.0OSi-F/FF/G/GF/J/JF 5.0L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.0OSiE-J/JF 5.0L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7Gi-300-J/JF/P/R, 5.7Gi-F/FF/G/GF, 5.7GiI-F/G 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7GiC-300-J/JF/P/R 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7GiCE-300-J/JF/M/MF/P/R 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7GiE-300-J/JF/K/KF/P/R 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7GXi-320-R/F/G/GF/H/HF/J/JF/N/P 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7GXiC-320-R/J/JF/P 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7GXiCE-320-R/J/JF/M/MF/P 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7GXiE-320-R/J/JF/P 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7GXiI-G/H 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7OSi-300-J/JF/E/EF/G/GF 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7OSiE-300-J/JF 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7OSXi-E/EF/G/GF/J/JF 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 5.7OSXiE-J/JF 5.7L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1Gi-E/EF/F/FF/G/GF/H/HF/J/JF 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1GiC-400-J/JF/Q 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1GiCE-J/JF/M/MF/P/Q 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1GiE-J/JF/K/KF/M/MF/P 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1GiI-E/F/G/H 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1GXi-D/DF/E/EF/F/FF/G/GF/J/JF 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1GXiE-J/JF/K/KF/P 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1GXiI-D/E/F/G 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1IPSCE-JF/MF/P/PF/Q 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1IPSE-JF 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1OSi-A/AF/B/BF/C/CF/D/DF/J/JF 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta 8.1OSiE-J/JF 8.1L 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta V6-200-A, V6-225-A, V6-225-E-A V6 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta V8-225-C-A, V8-225-C-B, V8-225-CE-A, V8-225-CE-B V8 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta V8-270-A/B, V8-270-C-A/B, V8-270-CE-A, V8-270-E-A/B V8 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta V8-300-A/B, V8-300-C-A/B, V8-300-CE-A/B, V8-300-E-A/B V8 4-Stroke 2003–2011 3885250 Supersedes 3587858
Volvo Penta V8-320-A/B, V8-320-C-A/B, V8-320-CE-A/B, V8-320-E-A/B V8 4-Stroke 2003–2011 3885250 Supersedes 3587858

Technical Specs

Product Type
Serpentine Belt Tensioner
Installation
Direct OEM replacement
Housing Material
Metal
Weight
0.77 kg (1.69 lbs)

What’s in the Box

  • 1 x Belt Tensioner Assembly (Replaces 3885250)

Installation Notes

  1. Always disconnect the battery before beginning work.
  2. Locate the existing belt tensioner assembly on the engine block.
  3. Use a serpentine belt tool or long breaker bar on the tensioner to release belt tension.
  4. Carefully slide the serpentine belt off the tensioner pulley.
  5. Unbolt and remove the old tensioner assembly. Note the position of any spacers or washers.
  6. Clean the mounting surface on the engine block to ensure the new tensioner sits flush.
  7. Install the new tensioner, making sure it is correctly seated. Torque the mounting bolts to the manufacturer's specified value.
  8. Reroute the serpentine belt following the diagram in your engine's service manual.
  9. Apply pressure to the new tensioner to slide the belt fully into place, then slowly release the pressure.
  10. Reconnect the battery, start the engine, and listen for any unusual noises. Visually confirm the belt is tracking correctly on all pulleys.

Troubleshooting & FAQ

How do I know if this tensioner fits my engine?

The best method is to match your engine's model and year to our compatibility table. You can also verify by cross-referencing your existing part's number against the ones listed in our Part Number Matrix. If you're unsure, please contact us with your engine details before purchasing.

What are the signs of a failing belt tensioner?

Common symptoms include a persistent squealing, chirping, or grinding noise from the engine bay, especially at startup or when accelerating. You might also notice premature or uneven wear on your serpentine belt, or a tensioner pulley that appears wobbly, stiff, or misaligned.

Is any special tool required for installation?

A standard serpentine belt tensioner tool or a long-handled breaker bar is typically required to safely release the tension on the belt for removal and installation. Always consult your engine's service manual for specific tool recommendations and procedures.

Is this a replacement for both V-belt and serpentine systems?

This tensioner is specifically designed for modern serpentine belt systems only. It is not compatible with older V-belt configurations.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials and performance. Our parts are manufactured in an ISO 9002 facility and are batch-inspected to ensure consistency and reliability.

Shipping speed & cost?

We ship worldwide quickly—typical transit is 5–15 days for most locations. Standard shipping is free for all orders. Expedited shipping options will appear at checkout if they are available for your region.

Warranty & returns?

This product is covered by a 1-year warranty against manufacturing defects under normal marine use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window for items that are unused and in their original condition. See our full policy page or reach out for instructions.

Safety & Important Info

  • Verify images and specifications against your original part before ordering. If anything differs—even if your model appears on the compatibility list—do not purchase.
  • This is a high-quality aftermarket replacement part and is not an Original Equipment Manufacturer (OEM) component.
  • Professional installation is strongly recommended for safety, performance, and to prevent damage to your engine.

About Sea Sierra

  • Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and rigorously tested for demanding real-world conditions.
  • Fast Global Fulfillment — With warehouses on multiple continents, we offer free standard delivery to most regions in 5–15 days.
  • Manufacturer-Direct Value — By working directly with our manufacturing partners, we provide fair pricing without compromising on materials or quality control.

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