---
product_id: 8039508
title: "866340Q03 Oil Filter for MerCruiser Sterndrive and Inboard Engines"
brand: "quicksilver"
price: "R$217"
currency: BRL
in_stock: true
reviews_count: 13
category: "Quicksilver"
url: https://www.desertcart.com.br/products/8039508-866340q03-oil-filter-for-mercruiser-sterndrive-and-inboard-engines
store_origin: BR
region: Brazil
---

# Optimized for MerCruiser engines OEM precision fit Superior contaminant removal 866340Q03 Oil Filter for MerCruiser Sterndrive and Inboard Engines

**Brand:** quicksilver
**Price:** R$217
**Availability:** ✅ In Stock

## Summary

> 🛥️ Keep your MerCruiser running smooth—because your engine deserves the best!

## Quick Answers

- **What is this?** 866340Q03 Oil Filter for MerCruiser Sterndrive and Inboard Engines by quicksilver
- **How much does it cost?** R$217 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/8039508-866340q03-oil-filter-for-mercruiser-sterndrive-and-inboard-engines)

## 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

- • **Start-Up Protection:** Anti-drain back valve guarantees immediate lubrication, eliminating damaging dry starts every time.
- • **Trusted Marine Legacy:** Backed by Quicksilver’s 65+ years of marine industry expertise and rigorous OEM testing standards.
- • **Cost-Effective Excellence:** OEM quality at a fraction of the price—premium protection without the premium markup.
- • **Engineered for Perfection:** Direct replacement for Mercury Marine 866340K01 ensures flawless compatibility and hassle-free installation.
- • **Unmatched Filtration Power:** M-Pleated media traps harmful oil contaminants, extending engine life and boosting performance.

## Overview

The Quicksilver 866340Q03 Oil Filter is a direct OEM replacement designed specifically for MerCruiser sterndrive and inboard engines, excluding V6 block-mounted filters. Featuring advanced M-Pleated filter media and an anti-drain back valve, it ensures superior oil cleanliness and immediate lubrication on startup. Manufactured to meet Mercury Marine’s exacting standards, this filter delivers reliable, high-performance protection trusted by marine professionals for over 65 years.

## Description

Replacement oil filter for MerCruiser sterndrive and inboard engines except V6 engines with the oil filter mounted on the engine block. Will also fit all Mercury Marine made 4.5L and 6.2L engines. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine original equipment replacement engine parts, oils, and accessories, but also works to serve all original equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.

Review: Oem replacement. - Its the oem part at a 1/3 the cost
Review: Good oem filter - Direct fit for my 2000 5.0L efi

## Features

- Direct replacement for Mercury Marine 866340K01
- 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
- Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your MerCruiser engine
- Manufacturer part number 866340Q03

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0014499WG |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #10,292 in Automotive ( See Top 100 in Automotive ) #148 in Automotive Replacement Oil Filters |
| Brand | Quicksilver |
| Brand Name | Quicksilver |
| Color | Unspecified |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,923) |
| 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 | 12.18 ounces |
| Item dimensions L x W x H | 4.5 x 4.4 x 6.25 inches |
| Manufacturer | Quicksilver |
| Material | Metal |
| Model Name | 866340Q03 Oil Filter - MerCruiser Stern Drive 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 MerCruiser Sterndrive and Inboard Engines - Image 1](https://m.media-amazon.com/images/I/71heIMY6b0L.jpg)

## 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

### ⭐⭐⭐⭐⭐ Oem replacement.
*by M***N on December 10, 2025*

Its the oem part at a 1/3 the cost

### ⭐⭐⭐⭐⭐ 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.com.br/products/8039508-866340q03-oil-filter-for-mercruiser-sterndrive-and-inboard-engines](https://www.desertcart.com.br/products/8039508-866340q03-oil-filter-for-mercruiser-sterndrive-and-inboard-engines)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-28*