---
product_id: 8039508
title: "866340Q03 Oil Filter for"
brand: "quicksilver"
price: "€ 25.83"
currency: EUR
in_stock: true
reviews_count: 13
category: "Quicksilver"
url: https://www.desertcart.it/products/8039508-866340q03-oil-filter
store_origin: IT
region: Italy
---

# OEM spec for MerCruiser sterndrive & inboard engines Anti-drain back valve for instant startup lubrication 50% thicker corrosion-resistant metal shell 866340Q03 Oil Filter for

**Brand:** quicksilver
**Price:** € 25.83
**Availability:** ✅ In Stock

## Summary

> 🛥️ Sail Smooth, Start Strong: The Ultimate Oil Filter for Your MerCruiser

## Quick Answers

- **What is this?** 866340Q03 Oil Filter for by quicksilver
- **How much does it cost?** € 25.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/8039508-866340q03-oil-filter)

## Best For

- quicksilver enthusiasts

## Why This Product

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

## Key Features

- • **Engine Armor:** Protect your MerCruiser with a 50% thicker, corrosion-resistant shell that stands up to the harshest marine conditions.
- • **Precision Fit:** Designed specifically for MerCruiser high-performance sterndrive and inboard engines, guaranteeing seamless OEM compatibility.
- • **Instant Lubrication:** Anti-drain back valve technology ensures your engine gets immediate oil flow at startup, eliminating damaging dry starts.
- • **Superior Filtration:** M-Pleated filter media traps harmful contaminants, extending engine life and maintaining peak performance on every voyage.
- • **Trusted Performance:** Backed by Mercury Marine OEM specs and a 4.8-star rating from nearly 3,000 users—join the elite fleet of satisfied boaters.

## Overview

The Quicksilver 866340Q03 Oil Filter is engineered for MerCruiser sterndrive and inboard engines, featuring a 50% thicker corrosion-resistant metal shell, an anti-drain back valve for immediate startup lubrication, and superior M-Pleated filter media to remove damaging oil contaminants. Built to Mercury Marine OEM specifications, it ensures optimal engine protection and performance, making it a trusted choice among marine enthusiasts.

## Description

Buy Quicksilver 866340Q03 Oil Filter for MerCruiser Sterndrive and Inboard Engines: Oil Filters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great filter for the boat - Exactly what we needed for the boat!
Review: Good oem filter - Direct fit for my 2000 5.0L efi

## Features

- Superior M-Pleated cleansing filter media removes oil contaminants that could damage your engine
- Features an anti-drain back valve to ensure start up lubrication and eliminate dry starts
- For MerCruiser high-performance sterndrive or inboard engines made by General Motors and Mercury Marine
- 50% thicker metal shell than conventional filters with a durable, corrosion resistant finish
- Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your MerCruiser engine

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0014499WG |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #9,188 in Automotive ( See Top 100 in Automotive ) #136 in Automotive Replacement Oil Filters |
| Brand | Quicksilver |
| Brand Name | Quicksilver |
| Color | Unspecified |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,952) |
| Date First Available | April 14, 2007 |
| Fishing Technique | Spinning, Casting |
| Global Trade Identification Number | 00745061696488 |
| Included Components | Oil Filter (1) |
| Item Dimensions LxWxH | 4.5 x 4.4 x 6.25 inches |
| Item Package Dimensions L x W x H | 4.09 x 4.02 x 3.98 inches |
| Item Weight | 0.86 Pounds |
| Item dimensions L x W x H | 4.5 x 4.4 x 6.25 inches |
| Manufacturer | Quicksilver |
| Material | Metal |
| Model Name | Quicksilver 866340Q03 Oil Filter for MerCruiser Sterndrive and Inboard Engines |
| Number of Items | 1 |
| OEM Part Number | 866340Q03 |
| Outside Diameter | 3.04 Inches |
| Package Weight | 0.43 Kilograms |
| Part Number | 866340Q03 |
| Product Grade | Replacement Part |
| Size | Unspecified |
| Style | Standard |
| Suggested Users | unisex-adult |
| Thread Size | NPT 3/4" |
| UPC | 745061696495 688944036646 745061696488 |
| Vehicle Service Type | Boats |

## Product Details

- **Brand:** Quicksilver
- **Item dimensions L x W x H:** 4.5 x 4.4 x 6.25 inches
- **Material:** Metal
- **Product Grade:** Replacement Part
- **Vehicle Service Type:** Boats

## Images

![866340Q03 Oil Filter for - Image 1](https://m.media-amazon.com/images/I/71heIMY6b0L.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Is that OEM or from Mercury/Original?**
A: Mercury original, black and red is what they sent me. They came fast too. Would order again from the seller.

**Q: will this filter fit my 5.7 mercruiser its in a cobalt?**
A: Quicksilver oil filter p/n 35-866340Q03 fits my Mercruiser 350 MAG MPI 5.7 liter 8 cylinder 300 HP inboard/outboard engine.

**Q: Does this fit a mercruiser 2.5?**
A: Hello! Yes it is the correct belt. Sorry for the confusion. Images will be corrected to show the correct belt. Thank you~ Quicksilver Support Team

**Q: will this work on a 2008 mercruiser 5.0l  i/o the one I took aff was a 35-802893t?**
A: I used mine on a mercruiser 454 engine. It was clearly stated what engines it could be used on.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great filter for the boat
*by K***R on January 15, 2026*

Exactly what we needed for the boat!

### ⭐⭐⭐⭐⭐ Good oem filter
*by C***K on July 20, 2025*

Direct fit for my 2000 5.0L efi

### ⭐⭐⭐⭐⭐ I like clean oil.
*by T***C on December 12, 2025*

Works as advertised.

## Frequently Bought Together

- Quicksilver 866340Q03 Oil Filter for MerCruiser Sterndrive and Inboard Engines
- Quicksilver by Mercury Marine 25W-40 Marine Engine Oil
- Quicksilver 802893Q01 Water Separating Fuel Filter for Mercury and Mariner Outboards and MerCruiser Stern Drive and Inboard Engines

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**Shop now:** [https://www.desertcart.it/products/8039508-866340q03-oil-filter](https://www.desertcart.it/products/8039508-866340q03-oil-filter)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-23*