---
product_id: 187121103
title: "Serpentine Belt Tensioner for Volvo Penta, PCM, Crusader 4.3, 5.0, 5.7, 8.1, Replaces 3885250 3587858 RA068001"
brand: "rps"
price: "₩295357"
currency: KRW
in_stock: true
reviews_count: 7
category: "Rps"
url: https://www.desertcart.kr/products/187121103-serpentine-belt-tensioner-for-volvo-penta-pcm-crusader-4-3
store_origin: KR
region: South Korea
---

# Optimized for marine engines V6-225 to 8.1L Fast, hassle-free replacement & installation Precision fit for multiple engine models Serpentine Belt Tensioner for Volvo Penta, PCM, Crusader 4.3, 5.0, 5.7, 8.1, Replaces 3885250 3587858 RA068001

**Brand:** rps
**Price:** ₩295357
**Availability:** ✅ In Stock

## Summary

> ⚓ Keep your engine taut and your adventures afloat!

## Quick Answers

- **What is this?** Serpentine Belt Tensioner for Volvo Penta, PCM, Crusader 4.3, 5.0, 5.7, 8.1, Replaces 3885250 3587858 RA068001 by rps
- **How much does it cost?** ₩295357 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/187121103-serpentine-belt-tensioner-for-volvo-penta-pcm-crusader-4-3)

## Best For

- rps enthusiasts

## Why This Product

- Trusted rps brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Swift Installation:** Designed for quick, painless replacement so you can get back on the water without delay.
- • **OEM-Grade Replacement:** Directly replaces part numbers 3885250, 3587858, and RA068001 for guaranteed performance and reliability.
- • **Marine-Ready Durability:** Built to withstand harsh marine environments, keeping your boat’s serpentine belt perfectly tensioned.
- • **Trusted by Professionals:** Highly rated by users for exact fit and dependable operation, minimizing downtime and maintenance stress.
- • **Engineered for Versatility:** Fits a wide range of Volvo Penta, PCM, and Crusader engines from 4.3L to 8.1L, ensuring seamless compatibility.

## Overview

This Serpentine Belt Tensioner is a precision-engineered replacement part compatible with Volvo Penta, PCM, and Crusader marine engines ranging from 4.3L to 8.1L. It replaces OEM parts 3885250, 3587858, and RA068001, offering reliable, durable performance designed specifically for demanding marine conditions. With easy installation and a perfect fit, it ensures your boat’s serpentine belt maintains optimal tension, reducing downtime and keeping your vessel ready for the next voyage.

## Description

Buy Serpentine Belt Tensioner for Volvo Penta, PCM, Crusader 4.3, 5.0, 5.7, 8.1, Replaces 3885250 3587858 RA068001: Belt & Chain Tensioners - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Check mount length before ordering. - Exact match for my Volvo Penta number 8.1,
Review: Quick and painless. - When the power steering pump quit working on my boat I was shocked to find that the idler pulley had broken and caused the serpentine belt to come off. Thankfully I was able to find this new pulley on desertcart and it was delivered to my home in just 3 days. The boat is fixed and I'm back on the water having fun at Table Rock Lake! Thank you!

## Features

- New tensioner for Volvo Penta and Crusader
- Replaces PCM Crusader RA068001
- Replaces Volvo Penta 3885250, 3587858
- Fits 4.3, 5.0, 5.7, 8.1L GI, GL, GXI, OSI model engines as well as V6-225, V6-225, 270, 300, & 320 model engines.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B081NTLVSV |
| Best Sellers Rank | #257,099 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #18 in Industrial Drive Belt & Chain Tensioners |
| Customer Reviews | 4.1 4.1 out of 5 stars (42) |
| Date First Available  | November 18, 2019 |
| Item model number  | 3885250 |
| Manufacturer  | RPS |
| Package Dimensions  | 5.55 x 5.35 x 3.82 inches; 0.01 ounces |

## Images

![Serpentine Belt Tensioner for Volvo Penta, PCM, Crusader 4.3, 5.0, 5.7, 8.1, Replaces 3885250 3587858 RA068001 - Image 1](https://m.media-amazon.com/images/I/71Ou0MfRHwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Check mount length before ordering.
*by A***R on June 29, 2025*

Exact match for my Volvo Penta number 8.1,

### ⭐⭐⭐⭐⭐ Quick and painless.
*by J***Y on August 30, 2023*

When the power steering pump quit working on my boat I was shocked to find that the idler pulley had broken and caused the serpentine belt to come off. Thankfully I was able to find this new pulley on Amazon and it was delivered to my home in just 3 days. The boat is fixed and I'm back on the water having fun at Table Rock Lake! Thank you!

### ⭐⭐⭐⭐⭐ works fine
*by K***O on August 31, 2024*

Worked as needed/expected.

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**Shop now:** [https://www.desertcart.kr/products/187121103-serpentine-belt-tensioner-for-volvo-penta-pcm-crusader-4-3](https://www.desertcart.kr/products/187121103-serpentine-belt-tensioner-for-volvo-penta-pcm-crusader-4-3)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-04*