--- product_id: 10122912 title: "Mercury 25W-40 4-Stroke Marine Engine Oil, 1 Gallon - 8M0078628" brand: "mercury" price: "VT28426" currency: VUV in_stock: true reviews_count: 9 category: "Mercury" url: https://www.desertcart.vu/products/10122912-mercury-25w-40-4-stroke-marine-engine-oil-1-gallon store_origin: VU region: Vanuatu --- # 25W-40 viscosity for marine engines 400°F flash point for thermal stability Superior wear & corrosion protection Mercury 25W-40 4-Stroke Marine Engine Oil, 1 Gallon - 8M0078628 **Brand:** mercury **Price:** VT28426 **Availability:** ✅ In Stock ## Summary > ⚓ Power your marine adventures with oil engineered to outperform and outlast! ## Quick Answers - **What is this?** Mercury 25W-40 4-Stroke Marine Engine Oil, 1 Gallon - 8M0078628 by mercury - **How much does it cost?** VT28426 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/10122912-mercury-25w-40-4-stroke-marine-engine-oil-1-gallon) ## 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 - • **Backed by Marine Expertise:** Crafted by Mercury Marine with decades of engineering excellence, delivering proven reliability and peace of mind on the water. - • **Viscosity That Stays Strong:** Maintains optimal 25W-40 thickness under pressure, ensuring peak performance and smooth operation on every voyage. - • **Certified & Warranty-Approved:** Exceeds all marine engine manufacturer specs and is FC-W & FC-W Catalyst Compatible—trust the oil that meets the highest standards. - • **Engineered for Marine Mastery:** Specifically formulated for Mercury, MerCruiser & top 4-stroke marine engines to keep you cruising without compromise. - • **Unmatched Durability & Protection:** Industry-leading wear resistance and corrosion blockers extend your engine’s lifespan, even in the harshest saltwater conditions. ## Overview Mercury 25W-40 4-Stroke Marine Engine Oil is a premium, 1-gallon lubricant designed for outboard, sterndrive, and inboard marine engines. It offers superior wear and corrosion protection, maintains viscosity under extreme conditions, and meets or exceeds all marine industry standards including FC-W certification. Produced by Mercury Marine to OEM specs, it ensures reliable engine performance and longevity in demanding marine environments. ## Description Marine engines operate in a harsh, corrosive environment that demands specialized protection you can't find in an automotive oil. Keep your engine operating at its peak with Mercury SAE 25W-40 4-Stroke Marine Engine Oil 8M0078628. In addition to superior strength and viscosity retention, it features a specialized additive package that helps prevent corrosion, on and off the water. This oil is recommended for use in all 4-stroke outboard, sterndrive and inboard engines, where 25W-40 is called for. It exceeds all marine industry requirements for 4-stroke oil and is certified FC-W and FC-W Catalyst Compatible. ## Features - For use in Mercury, MerCruiser and other leading brands of four-stroke outboard, sterndrive and inboard marine engines - Provides outstanding wear and corrosion protection to help extend engine life - Industry-leading strength and viscosity retention - Exceeds all marine engine manufacturer warranty requirements and recommendations and is certified FC-W and FC-W Catalyst Compatible - Produced by Mercury Marine to our stringent original equipment manufacturer specifications - Mercury oils, lubricants and engine care products are backed by decades of experience in engineering, testing and manufacturing to provide the best protection and performance. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00GWV9NHW | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #99,714 in Automotive ( See Top 100 in Automotive ) #673 in Motor Oils | | Brand | MERCURY | | Brand Name | MERCURY | | Compatible with Vehicle Type | Marine Engines | | Container Type | Bottle | | Customer Reviews | 4.8 out of 5 stars 299 Reviews | | Flash Point | 400 Degrees Fahrenheit | | Included Components | Engine Oil | | Item Weight | 1 Pounds | | Liquid Volume | 1 Gallons | | Manufacturer | Mercury Marine/Mercruiser | | Manufacturer Part Number | 8M0078628 | | Model Number | 8M0078628 | | Package Information | Bottle | | UPC | 745061915664 | | Unit Count | 128 Fluid Ounces | | Vehicle Service Type | Marine Engines | ## Product Details - **Brand:** MERCURY - **Liquid Volume:** 1 Gallons - **Package Information:** Bottle - **Vehicle Service Type:** Marine Engines - **Viscosity:** 25W-40 SAE Grade ## Images ![Mercury 25W-40 4-Stroke Marine Engine Oil, 1 Gallon - 8M0078628 - Image 1](https://m.media-amazon.com/images/I/619UBB3cmhL.jpg) ![Mercury 25W-40 4-Stroke Marine Engine Oil, 1 Gallon - 8M0078628 - Image 2](https://m.media-amazon.com/images/I/61dT6JcoUCL.jpg) ![Mercury 25W-40 4-Stroke Marine Engine Oil, 1 Gallon - 8M0078628 - Image 3](https://m.media-amazon.com/images/I/51XOqaghOlL.jpg) ![Mercury 25W-40 4-Stroke Marine Engine Oil, 1 Gallon - 8M0078628 - Image 4](https://m.media-amazon.com/images/I/612x33UR9pL.jpg) ![Mercury 25W-40 4-Stroke Marine Engine Oil, 1 Gallon - 8M0078628 - Image 5](https://m.media-amazon.com/images/I/51ng0w1X-6L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by K***R on May 22, 2024* ### ⭐⭐⭐⭐⭐ Review *by A***R on January 5, 2026* ### ⭐⭐⭐⭐⭐ Review *by S***T on February 11, 2024* ## Frequently Bought Together - Mercury Lubricants 4-Stroke - Gallon - MERCURY Marine Mercruiser Oil Filter 3.0L 4.3L V6 5.7 350 V8 35-866340K01 - Quicksilver 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives, 32 oz --- ## 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.vu/products/10122912-mercury-25w-40-4-stroke-marine-engine-oil-1-gallon](https://www.desertcart.vu/products/10122912-mercury-25w-40-4-stroke-marine-engine-oil-1-gallon) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-03*