--- product_id: 8039508 title: "Quicksilver 866340Q03 Sterndrive and Inboard Spin-On Oil Filter for MerCruiser and GM Marine Engines" brand: "quicksilver" price: "€ 33.37" currency: EUR in_stock: true reviews_count: 13 category: "Quicksilver" url: https://www.desertcart.hr/products/8039508-quicksilver-866340q03-sterndrive-and-inboard-spin-on-oil-filter-mercruiser store_origin: HR region: Croatia --- # OEM fit for MerCruiser & GM marine engines M-Pleated media for superior contaminant removal 50% thicker corrosion-resistant shell Quicksilver 866340Q03 Sterndrive and Inboard Spin-On Oil Filter for MerCruiser and GM Marine Engines **Brand:** quicksilver **Price:** € 33.37 **Availability:** βœ… In Stock ## Summary > πŸ›₯️ Power your marine adventures with the ultimate engine guardian! ## Quick Answers - **What is this?** Quicksilver 866340Q03 Sterndrive and Inboard Spin-On Oil Filter for MerCruiser and GM Marine Engines by quicksilver - **How much does it cost?** € 33.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/8039508-quicksilver-866340q03-sterndrive-and-inboard-spin-on-oil-filter-mercruiser) ## 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 - β€’ **Engine Armor:** 50% thicker metal shell shields your engine from corrosion and damage, ensuring long-lasting durability. - β€’ **OEM Trusted Fit:** Specifically engineered for MerCruiser and GM marine engines, delivering seamless compatibility and peak performance. - β€’ **Dry Start Defense:** Built-in anti-drain back valve guarantees instant lubrication, eliminating risky dry starts and extending engine life. - β€’ **Precision Filtration:** Advanced M-Pleated filter media traps harmful contaminants, protecting your engine’s performance at every start. - β€’ **Marine-Grade Reliability:** Crafted to Mercury Marine’s exacting standards, this filter offers unmatched protection in the harshest marine environments. ## Overview The Quicksilver 866340Q03 oil filter is a premium replacement designed for MerCruiser and GM marine sterndrive and inboard engines. Featuring a 50% thicker corrosion-resistant metal shell, advanced M-Pleated filtration media, and an anti-drain back valve, it ensures superior engine protection and reliable lubrication at startup. Built to meet Mercury Marine OEM specifications, this filter guarantees optimal fit and performance for high-demand marine environments. ## 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: great - fit perfect 3.0 l mercruser Review: new, as advertised - New, OEM ## 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 | #3,511 in Automotive ( See Top 100 in Automotive ) #53 in Automotive Replacement Oil Filters | | Brand | Quicksilver | | Brand Name | Quicksilver | | Compatible with Vehicle Type | Boats | | Customer Reviews | 4.8 out of 5 stars 3,079 Reviews | | Global Trade Identification Number | 00745061696488 | | Included Components | Oil Filter (1) | | Item Dimensions | 4.5 x 4.4 x 6.25 inches | | Item Type Name | FILTER-OIL | | Item Weight | 13.76 ounces | | Item dimensions L x W x H | 4.5 x 4.4 x 6.25 inches | | Manufacturer | Quicksilver | | Manufacturer Part Number | 866340Q03 | | Material | Metal | | Material Type | Metal | | Model Number | 866340Q03 | | Number of Items | 1 | | Number of Packs | 1 | | OEM Equivalent Part Number | 866340Q03 | | Outside Diameter | 3.04 inches | | Part Interchange Info | Replacement | | Product Grade | Replacement Part | | Thread Size | NPT 3/4" | | UPC | 745061696495 688944036646 745061696488 | | Unit Count | 1 Count | | 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 ![Quicksilver 866340Q03 Sterndrive and Inboard Spin-On Oil Filter for MerCruiser and GM Marine Engines - Image 1](https://m.media-amazon.com/images/I/71heIMY6b0L.jpg) ![Quicksilver 866340Q03 Sterndrive and Inboard Spin-On Oil Filter for MerCruiser and GM Marine Engines - Image 2](https://m.media-amazon.com/images/I/71A0NrUrrYL.jpg) ![Quicksilver 866340Q03 Sterndrive and Inboard Spin-On Oil Filter for MerCruiser and GM Marine Engines - Image 3](https://m.media-amazon.com/images/I/71jFxMS63ZL.jpg) ![Quicksilver 866340Q03 Sterndrive and Inboard Spin-On Oil Filter for MerCruiser and GM Marine Engines - Image 4](https://m.media-amazon.com/images/I/619vWlO3YtL.jpg) ![Quicksilver 866340Q03 Sterndrive and Inboard Spin-On Oil Filter for MerCruiser and GM Marine Engines - Image 5](https://m.media-amazon.com/images/I/61PUrja39ML.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 ### ⭐⭐⭐⭐⭐ great *by D***N on August 27, 2026* fit perfect 3.0 l mercruser ### ⭐⭐⭐⭐⭐ new, as advertised *by W***R on August 20, 2026* New, OEM ### ⭐⭐⭐⭐⭐ Oil filters *by M***R on July 22, 2026* Probably was exactly what I needed and arrived on time ## 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 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/8039508-quicksilver-866340q03-sterndrive-and-inboard-spin-on-oil-filter-mercruiser](https://www.desertcart.hr/products/8039508-quicksilver-866340q03-sterndrive-and-inboard-spin-on-oil-filter-mercruiser) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-07*