---
product_id: 18858215
title: "Quicksilver by Mercury Marine 25W-40 Marine Engine Oil"
brand: "quicksilver"
price: "532.45 DT"
currency: TND
in_stock: true
category: "Quicksilver"
url: https://www.desertcart.tn/products/18858215-quicksilver-by-mercury-marine-25w-40-marine-engine-oil
store_origin: TN
region: Tunisia
---

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

**Brand:** quicksilver
**Price:** 532.45 DT
**Availability:** ✅ In Stock

## Summary

> 🛥️ Keep your engine cruising at peak power — don’t let your boat be the one left behind!

## Quick Answers

- **What is this?** Quicksilver by Mercury Marine 25W-40 Marine Engine Oil by quicksilver
- **How much does it cost?** 532.45 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/18858215-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

- • **Trusted by Thousands:** Rated 4.8 stars by over 2,700 marine enthusiasts who refuse to compromise on engine care.
- • **OEM-Grade Reliability:** Meets Mercury Marine original equipment specs, guaranteeing perfect compatibility and peak engine protection.
- • **Ready for the Long Haul:** 1-gallon bottle designed for easy maintenance, keeping your marine engine cruising season after season.
- • **Ultimate Corrosion Defense:** Advanced formula shields your engine from saltwater damage, extending engine life and reliability.
- • **Precision Marine Performance:** Tailored 25W-40 viscosity ensures your outboard motor runs smoothly at high RPMs, maximizing power and efficiency.

## Overview

Quicksilver 25W-40 Marine Engine Oil is a premium, OEM-spec 4-stroke motor oil designed to optimize high-RPM outboard engine performance. It delivers superior corrosion resistance and wear protection, ensuring long-lasting reliability for marine engines. Trusted by thousands with a 4.8-star rating, this 1-gallon oil is the go-to choice for serious boaters who demand peak performance and durability.

## Description

Buy Quicksilver 25W-40 4-Stroke Marine Engine Oil, 1 Gallon: Motor Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## 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 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #1,689 in Automotive ( See Top 100 in Automotive ) #31 in Motor Oils |
| Brand Name | Quicksilver |
| Compatible with Vehicle Type | Marine Vehicles |
| Container Type | Bottle |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,786) |
| 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 |
| Model Number | 8M0078620 |
| Number of Packs | 1 |
| Size | 1 gallon |
| UPC | 745061915787 745061915527 |
| Unit Count | 128 Fluid Ounces |
| Viscosity Level | Medium to High |

## Product Details

- **Brand:** Quicksilver
- **Liquid Volume:** 128 fluid ounces
- **Package Information:** Bottle
- **UPC:** 745061915787 745061915527
- **Vehicle Service Type:** Marine Vehicles

## Images

![Quicksilver 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, Size, 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

## 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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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-22*