---
product_id: 18858215
title: "by Mercury Marine 25W-40 Marine Engine Oil"
brand: "quicksilver"
price: "123456CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "Quicksilver"
url: https://www.desertcart.sn/products/18858215-by-mercury-marine-25w-40-marine-engine-oil
store_origin: SN
region: Senegal
---

# 25W-40 viscosity for optimal engine flow Superior corrosion & wear protection Specifically engineered for 4-stroke marine engines by Mercury Marine 25W-40 Marine Engine Oil

**Brand:** quicksilver
**Price:** 123456CFA
**Availability:** ✅ In Stock

## Summary

> 🛥️ Keep your engine cruising at peak power with Quicksilver’s marine-grade edge!

## Quick Answers

- **What is this?** by Mercury Marine 25W-40 Marine Engine Oil by quicksilver
- **How much does it cost?** 123456CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/18858215-by-mercury-marine-25w-40-marine-engine-oil)

## 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

- • **High-RPM Optimization:** Viscosity modifiers tuned for smooth power delivery at high RPMs
- • **Trusted Industry Leader:** Backed by 65+ years of rigorous testing and marine expertise
- • **Engine Longevity Booster:** Advanced corrosion resistance extends engine life in harsh marine environments
- • **Precision Marine Performance:** Formulated to meet Mercury Marine OEM specs for peak reliability
- • **Universal Marine Compatibility:** Ideal for sterndrive and outboard 4-stroke engines across brands

## Overview

Quicksilver 25W-40 Marine Engine Oil is a premium, OEM-spec 4-stroke oil designed to deliver superior corrosion resistance and wear protection for marine engines. Engineered for high-RPM outboards and sterndrives, it ensures optimal viscosity and peak performance, backed by over 65 years of marine industry leadership and rigorous testing.

## Description

Clean oil is essential in reducing friction and preventing damage to internal components, providing many years of engine life. Engineered for sterndrive and outboard applications, this 25W-40 4-stroke marine engine oil has been extensively tested to ensure impressive protection against corrosion and wear. Exceeds all marine industry 4-stroke oil requirements including FC-W and FC-W catalyst compatible. 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: Perfect for my application. - Works as advertised
Review: OEM stuff at a great price! - OEM stuff at a great price! Keeps my MerCruiser happy.

## Features

- Direct replacement for Mercury Marine 8M0078628
- Designed for use in 4-stroke marine engines
- Formulated to provide superior corrosion resistance and wear protection to maintain peak engine performance and reliability
- Special viscosity modifiers help to optimize the performance of high-rpm 4-stroke outboard motors
- 25W-40 viscosity
- Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your outboard
- Manufacturer part number 8M0078620

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00N6DF8SW |
| Best Sellers Rank | #2,784 in Automotive ( See Top 100 in Automotive ) #52 in Motor Oils |
| Brand | Quicksilver |
| Brand Name | Quicksilver |
| Compatible with Vehicle Type | Marine Vehicles |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 4,264 Reviews |
| Global Trade Identification Number | 00745061915527 |
| Included Components | End Product & Information |
| Item Type Name | 25W-40 Oil |
| Item Weight | 7 Pounds |
| Liquid Volume | 128 Fluid Ounces |
| Manufacturer | Quicksilver |
| Manufacturer Part Number | 8M0078620 |
| Package Information | Bottle |
| UPC | 745061915787 745061915527 |
| Unit Count | 128.0 Fluid Ounces |
| Vehicle Service Type | Marine Vehicles |
| Viscosity | 25w-40 |

## Product Details

- **Brand:** Quicksilver
- **Liquid Volume:** 128 Fluid Ounces
- **Package Information:** Bottle
- **Vehicle Service Type:** Marine Vehicles
- **Viscosity:** 25w-40

## Images

![by Mercury Marine 25W-40 Marine Engine Oil - Image 1](https://m.media-amazon.com/images/I/61DkqhBDE5L.jpg)

## Available Options

This product comes in different **Pattern, Style** options.

## Questions & Answers

**Q: is this oil full synthetic**
A: This product is a mineral based oil. “ The NEW mineral 4-Stroke oil is also now approved for use in all outboard engines; previously only our syntetic blend could make this claim”
Quicksilver makes a synthetic and it states synthetic on its lable.

**Q: What's the difference between mercury oil**
A: It is the same as Mercury oil.  Quicksilver is the Mercury lubricant brand and has been for years.

**Q: Is this for 01 bayliner Ccapri 4 cilinder**
A: If it has mercruiser motor.

**Q: How do I know if motor is 2 or 4 stroke? Basic Mercury 125 pontoon motor**
A: Look on the engine and your book if you got one.  It will tell you if 2 or 4 stroke

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for my application.
*by T***C on December 12, 2025*

Works as advertised

### ⭐⭐⭐⭐⭐ OEM stuff at a great price!
*by A***S on December 23, 2025*

OEM stuff at a great price! Keeps my MerCruiser happy.

### ⭐⭐⭐⭐⭐ Good price
*by P***S on November 27, 2025*

Work in my engine and good price

## Frequently Bought Together

- Quicksilver by Mercury Marine 25W-40 Marine Engine Oil
- Quicksilver 866340Q03 Oil Filter for MerCruiser Sterndrive and Inboard Engines
- 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.sn/products/18858215-by-mercury-marine-25w-40-marine-engine-oil](https://www.desertcart.sn/products/18858215-by-mercury-marine-25w-40-marine-engine-oil)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-28*