Belt Tensioner – Fits Volvo Penta 4.3L-8.1L, PCM/Crusader (Replaces 3885250, 3587858, RA068001)
Belt Tensioner – Fits Volvo Penta 4.3L-8.1L, PCM/Crusader (Replaces 3885250, 3587858, RA068001) is backordered and will ship as soon as it is back in stock.
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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).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Belt Tensioner – Fits Volvo Penta 4.3L-8.1L, PCM/Crusader (Replaces...
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| Brand | Part Number | Superseded By | Notes |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| Volvo Penta | 3587859 | 3885250 | Alternative superseded number.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| Volvo Penta | 3861010 | 3885250 | Alternative superseded number.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
- Always disconnect the battery before beginning work.
- Locate the existing belt tensioner assembly on the engine block.
- Use a serpentine belt tool or long breaker bar on the tensioner to release belt tension.
- Carefully slide the serpentine belt off the tensioner pulley.
- Unbolt and remove the old tensioner assembly. Note the position of any spacers or washers.
- Clean the mounting surface on the engine block to ensure the new tensioner sits flush.
- Install the new tensioner, making sure it is correctly seated. Torque the mounting bolts to the manufacturer's specified value.
- Reroute the serpentine belt following the diagram in your engine's service manual.
- Apply pressure to the new tensioner to slide the belt fully into place, then slowly release the pressure.
- 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.
Payment & Security
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