--- product_id: 8730017 title: "Mercury 10W-30 4-Stroke Mineral Marine Engine Oil, 1 Quart - 8M0078625" brand: "mercury" price: "R1238" currency: ZAR in_stock: true reviews_count: 8 category: "Mercury" url: https://www.desertcart.co.za/products/8730017-mercury-10w-30-4-stroke-mineral-marine-engine-oil-1 store_origin: ZA region: South Africa --- # 400°F Flash Point - high thermal stability 10W-30 Viscosity - optimal engine flow Superior wear & corrosion protection Mercury 10W-30 4-Stroke Mineral Marine Engine Oil, 1 Quart - 8M0078625 **Brand:** mercury **Price:** R1238 **Availability:** ✅ In Stock ## Summary > 🛥️ Keep your marine engine cruising strong with Mercury’s trusted 10W-30 power! ## Quick Answers - **What is this?** Mercury 10W-30 4-Stroke Mineral Marine Engine Oil, 1 Quart - 8M0078625 by mercury - **How much does it cost?** R1238 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/8730017-mercury-10w-30-4-stroke-mineral-marine-engine-oil-1) ## 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 by Pros:** Backed by decades of engineering excellence and a 4.7-star rating from 181+ users - • **Precision OEM Formula:** Crafted to Mercury’s exacting original equipment specs for peak performance - • **Marine-Grade Certified:** Meets and exceeds FC-W and FC-W Catalyst compatibility standards - • **All-Weather Reliability:** 10W-30 viscosity ensures smooth starts and consistent protection in varied marine conditions - • **Engine Longevity Booster:** Extends engine life with industry-leading wear and corrosion resistance ## Overview Mercury 10W-30 4-Stroke Mineral Marine Engine Oil is a premium mineral-based lubricant designed specifically for four-stroke marine engines. It delivers exceptional wear and corrosion protection, surpasses all marine industry standards including FC-W certification, and is formulated to meet Mercury’s stringent OEM specifications. With a high 400°F flash point and medium viscosity, it ensures reliable engine performance and longevity in harsh 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 10W-30 Mineral 4-Stroke Marine Engine Oil 8M0078625. It features a specialized additive package that helps prevent corrosion, on and off the water. This mineral base oil exceeds all marine industry requirements four 4-stroke oil and is certified FC-W and FC-W Catalyst Compatible. It meets the manufacturer requirements for all 4-stroke marine engines when 10W-30 is called for. Review: No problems - No problems Review: Exelente - Good ## Features - This mineral base oil is for use in four-stroke engines from Mercury and other leading brands - 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 | B00HURPZDS | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #64,730 in Automotive ( See Top 100 in Automotive ) #479 in Motor Oils | | Brand | MERCURY | | Brand Name | MERCURY | | Compatible with Vehicle Type | Outboard Motor | | Container Type | Bottle | | Customer Reviews | 4.7 out of 5 stars 181 Reviews | | Flash Point | 400 °F | | Included Components | Engine Oil | | Item Weight | 16 ounces | | Liquid Volume | 1 quarts | | Manufacturer | Mercury Marine / Mercruiser | | Manufacturer Part Number | 8M0078625 | | Model Number | 8M0078625 | | Number of Packs | 1 | | Package Information | Bottle | | SAE J300 Viscosity Grade | 10W-30 | | Size | 1 quart | | UPC | 745061915602 | | Unit Count | 32 Fluid Ounces | | Vehicle Service Type | Outboard Motor | | Viscosity Level | Medium | ## Product Details - **Brand:** MERCURY - **Flash Point:** 400 Degrees Fahrenheit - **Liquid Volume:** 1 Quarts - **Package Information:** Bottle - **Vehicle Service Type:** Outboard Motor ## Images ![Mercury 10W-30 4-Stroke Mineral Marine Engine Oil, 1 Quart - 8M0078625 - Image 1](https://m.media-amazon.com/images/I/61quSyMBImL.jpg) ## Questions & Answers **Q: is this a synthetic oil?** A: Its not a synthetic oil. **Q: is this for 3.5 4 stoke Mercury outboard motor** A: It will work in any four stoke engine. 10W30 is for colder weather, 25W40 is used for weather that will not go below freezing (when you operate the motor. ## Customer Reviews ### ⭐⭐⭐⭐⭐ No problems *by T***T on July 11, 2026* No problems ### ⭐⭐⭐⭐⭐ Exelente *by N***O on January 30, 2026* Good ### ⭐⭐⭐⭐⭐ Genuine oil. *by D***3 on April 22, 2024* Oil exactly as described and what is recommended by Mercury in their four stroke outboards. --- ## 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.co.za/products/8730017-mercury-10w-30-4-stroke-mineral-marine-engine-oil-1](https://www.desertcart.co.za/products/8730017-mercury-10w-30-4-stroke-mineral-marine-engine-oil-1) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-01*