--- product_id: 208163593 title: "866340K01 4-Stroke Engine Oil Filter for MerCruiser Sterndrive and Inboard Engines" brand: "mercury" price: "$44.16" currency: USD in_stock: true reviews_count: 13 category: "Mercury" url: https://www.desertcart.us/products/208163593-866340k01-4-stroke-engine-oil-filter-for-mercruiser-sterndrive-inboard store_origin: US region: United States of America --- # Optimized for MerCruiser sterndrive & inboard engines Precision M-Pleated filtration Easy DIY replacement 866340K01 4-Stroke Engine Oil Filter for MerCruiser Sterndrive and Inboard Engines **Brand:** mercury **Price:** $44.16 **Availability:** ✅ In Stock ## Summary > ⚓ Keep your engine cruising smooth — don’t let contaminants slow your ride! ## Quick Answers - **What is this?** 866340K01 4-Stroke Engine Oil Filter for MerCruiser Sterndrive and Inboard Engines by mercury - **How much does it cost?** $44.16 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/208163593-866340k01-4-stroke-engine-oil-filter-for-mercruiser-sterndrive-inboard) ## Best For - mercury enthusiasts ## Why This Product - Trusted mercury brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Legacy:** Backed by Mercury’s decades of precision engineering and rigorous testing for perfect fit and function. - • **Proven Reliability:** Highly rated by users maintaining engines over decades, keeping powerboats running strong. - • **Effortless Maintenance:** Designed for quick, tool-friendly replacement with common oil filter wrenches. - • **Seamless Compatibility:** Fits all MerCruiser 4.5L & 6.2L sterndrive and inboard engines plus GM engines (excl. V6 block-mounted filters). - • **Engineered for Peak Performance:** M-Pleated filter media traps majority of oil contaminants, ensuring engine longevity. ## Overview The Mercury 866340K01 oil filter delivers superior M-Pleated filtration tailored for MerCruiser 4.5L and 6.2L sterndrive and inboard engines, plus compatible GM engines. Engineered for easy replacement and backed by Mercury’s decades of expertise, it ensures optimal engine protection and performance, making it the trusted choice for maintaining your marine powertrain’s longevity. ## Description Mercury Oil Filter 866340K01 is designed to provide efficient, effective oil filtration for a range of sterndrive and inboard engines. Review: Good OEM part. - This fit my 19 year old Mercruiser 5.7 liter 300 hp I/O just fine. I change it every year and the engine is still going strong. Review: Good deal - Fits 1997 4.3 mercruiser ## Features - For use on all MerCruiser 4.5L and 6.2L sterndrive and inboard engines plus GM engines, except V6 models that have the oil filter mounted on the engine block - Our superior M-Pleated cleansing filter removes a mjaority of oil contaminants - Easy to replace with common tools and an oil filter wrench - Mercury parts and accessories are backed by decades of experience in engineering, testing, and manufacturing to provide the best fit, function and performance ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00AXYM1FU | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #21,718 in Automotive ( See Top 100 in Automotive ) #292 in Automotive Replacement Oil Filters | | Brand Name | MERCURY | | Compatible with Vehicle Type | Personal Watercraft | | Customer Reviews | 4.7 4.7 out of 5 stars (590) | | Item Dimensions | 5 x 5 x 5 inches | | Item Weight | 0.75 Pounds | | Manufacturer | Mercury | | Manufacturer Part Number | 35-866340K01 | | Material Type | Paper, Steel | | Model Number | 35-866340K01 | | Number of Items | 1 | | OEM Equivalent Part Number | 35-866340K01 | | Product Grade | Performance Part | ## Product Details - **Brand:** MERCURY - **Item dimensions L x W x H:** 5 x 5 x 5 inches - **Material:** Paper, Steel - **Product Grade:** Performance Part - **Vehicle Service Type:** Personal Watercraft ## Images ![866340K01 4-Stroke Engine Oil Filter for MerCruiser Sterndrive and Inboard Engines - Image 1](https://m.media-amazon.com/images/I/61dyIDFNIjL.jpg) ## Questions & Answers **Q: Does this fit a mercruiser 4.3 tks** A: I would think so, why would OEM make different and drive costs ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good OEM part. *by H***B on January 31, 2026* This fit my 19 year old Mercruiser 5.7 liter 300 hp I/O just fine. I change it every year and the engine is still going strong. ### ⭐⭐⭐⭐⭐ Good deal *by G***E on March 27, 2026* Fits 1997 4.3 mercruiser ### ⭐⭐⭐⭐⭐ Only filter I use *by N***D on December 8, 2025* Been using this filter for years. Fits my 2010 Discovery 195 well. Since I started winterizing the motor myself and using this filter, I have no problems with my boat. Runs well. Easy to install with the correct wrench. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/208163593-866340k01-4-stroke-engine-oil-filter-for-mercruiser-sterndrive-inboard](https://www.desertcart.us/products/208163593-866340k01-4-stroke-engine-oil-filter-for-mercruiser-sterndrive-inboard) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-12*