---
product_id: 75188598
title: "Quicksilver by Mercury Marine 25W-40 Marine Engine Oil"
brand: "quicksilver"
price: "KSh36785"
currency: KES
in_stock: true
reviews_count: 8
category: "Quicksilver"
url: https://www.desertcart.co.ke/products/75188598-quicksilver-by-mercury-marine-25w-40-marine-engine-oil
store_origin: KE
region: Kenya
---

# OEM spec for Mercury Marine 4-stroke outboards 25W-40 viscosity for optimal marine engine flow Synthetic blend for superior corrosion & wear protection Quicksilver by Mercury Marine 25W-40 Marine Engine Oil

**Brand:** quicksilver
**Price:** KSh36785
**Availability:** ✅ In Stock

## Summary

> 🚤 Power your marine adventures with Quicksilver – where performance meets protection!

## Quick Answers

- **What is this?** Quicksilver by Mercury Marine 25W-40 Marine Engine Oil by quicksilver
- **How much does it cost?** KSh36785 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/75188598-quicksilver-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

- • **OEM-Approved Reliability:** Direct replacement for Mercury Marine parts ensures perfect compatibility and trusted quality.
- • **Trusted by Professionals:** Backed by 65+ years of marine industry leadership and rigorous testing for unmatched peace of mind.
- • **Ultimate Corrosion Defense:** Synthetic blend formula shields your engine from harsh saltwater and wear, extending engine life.
- • **Effortless Maintenance Upgrade:** Easy-to-use 3.79L bottle designed for sterndrive and outboard 4-stroke engines, keeping your boat ready to conquer.
- • **Engineered for Peak Performance:** Maintains viscosity and strength under high RPMs to keep your marine engine running flawlessly.

## Overview

Quicksilver by Mercury Marine 25W-40 Marine Engine Oil is a synthetic blend specifically formulated for 4-stroke marine engines, delivering superior corrosion resistance and wear protection. It meets Mercury Marine OEM specifications, ensuring optimal viscosity retention and engine performance in high-rpm outboard motors. Trusted for over 65 years, this oil is the go-to choice for professional-grade marine engine care.

## 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 4-stroke synthetic blend 25W-40 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 8M0078630
- Designed for use in 4-stroke marine engines
- Synthetic blend formulated to provide ultimate corrosion resistance and wear protection in high-rpm 4-stroke outboard motors
- Offers industry-leading strength and viscosity retention to maintain peak engine performance and reliability
- 25W-40 viscosity
- Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your outboard
- Manufacturer part number 8M0078623

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00FM9AVKI |
| Best Sellers Rank | #4,051 in Automotive ( See Top 100 in Automotive ) #68 in Motor Oils |
| Brand | Quicksilver |
| Brand Name | Quicksilver |
| Compatible with Vehicle Type | Boat |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 4,256 Reviews |
| Global Trade Identification Number | 00745061915572 |
| Included Components | End Product & Information |
| Item Type Name | Oil |
| Item Weight | 7 Pounds |
| Liquid Volume | 3.79 Liters |
| Manufacturer | Quicksilver |
| Manufacturer Part Number | 8M0078623 |
| Package Information | Bottle |
| UPC | 745061915572 745061915824 |
| Unit Count | 128.0 Fluid Ounces |
| Vehicle Service Type | Boat |
| Viscosity | 25w-40 |

## Product Details

- **Brand:** Quicksilver
- **Liquid Volume:** 3.79 Liters
- **Package Information:** Bottle
- **Vehicle Service Type:** Boat
- **Viscosity:** 25w-40

## Images

![Quicksilver by Mercury Marine 25W-40 Marine Engine Oil - Image 1](https://m.media-amazon.com/images/I/61KFdPGIarL.jpg)
![Quicksilver by Mercury Marine 25W-40 Marine Engine Oil - Image 2](https://m.media-amazon.com/images/I/61M24RgnazL.jpg)
![Quicksilver by Mercury Marine 25W-40 Marine Engine Oil - Image 3](https://m.media-amazon.com/images/I/71patWZbEVL.jpg)
![Quicksilver by Mercury Marine 25W-40 Marine Engine Oil - Image 4](https://m.media-amazon.com/images/I/819GXKJpleL.jpg)
![Quicksilver by Mercury Marine 25W-40 Marine Engine Oil - Image 5](https://m.media-amazon.com/images/I/81RjEuG1oQL.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 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives, 32 oz

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-02-09*