---
product_id: 347210182
title: "Quicksilver 25W-40 Marine Engine Oil - 1 Gallon"
brand: "quicksilver"
price: "€ 93.12"
currency: EUR
in_stock: true
reviews_count: 5
category: "Amazon Renewed"
url: https://www.desertcart.ie/products/347210182-quicksilver-25w-40-marine-engine-oil-1-gallon
store_origin: IE
region: Ireland
---

# 25W-40 viscosity for optimal engine flow Superior corrosion & wear protection Specifically engineered for 4-stroke marine engines Quicksilver 25W-40 Marine Engine Oil - 1 Gallon

**Brand:** quicksilver
**Price:** € 93.12
**Availability:** ✅ In Stock

## Summary

> 🛥️ Power your marine adventures with Quicksilver — where performance meets protection!

## Quick Answers

- **What is this?** Quicksilver 25W-40 Marine Engine Oil - 1 Gallon by quicksilver
- **How much does it cost?** € 93.12 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/347210182-quicksilver-25w-40-marine-engine-oil-1-gallon)

## 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 Trusted Quality:** Direct replacement for Mercury Marine parts, meeting strict manufacturer specs for peak reliability.
- • **Marine-Grade Viscosity:** Precision 25W-40 formula ensures smooth high-rpm performance in your outboard motor.
- • **Proven Industry Leader:** Backed by Quicksilver’s 65+ years of marine expertise and rigorous testing standards.
- • **Ultimate Engine Defense:** Advanced corrosion resistance and wear protection extend engine life even in harsh saltwater conditions.
- • **Peace of Mind Performance:** Compatible with all 4-stroke marine engines, exceeding FC-W and catalyst requirements for worry-free boating.

## Overview

Quicksilver 25W-40 Marine Engine Oil is a premium 1-gallon lubricant designed for 4-stroke marine engines, especially Mercury Marine models. It delivers superior corrosion resistance and wear protection, optimized for high-rpm outboard motors, and meets all original equipment manufacturer specifications to ensure peak engine performance and longevity on the water.

## 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: Ça dit 3 bouteilles, mais en envoie seulement 1 seule. Par contre, leur service à la clientèle est rapide et courtois.
Review: Works as advertised

## 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 | #102,432 in Automotive ( See Top 100 in Automotive ) #931 in Automotive Oils |
| Brand | Quicksilver |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,297) |
| Date First Available | 18 April 2015 |
| Item Weight | 3.18 Kilograms |
| Item model number | 8M0078620 |
| Manufacturer | Quicksilver |
| Manufacturer Part Number | 8M0078620 |
| Model | 25W-40 Marine Engine Oil - 1 Gallon |
| Product Dimensions | 19.05 x 12.95 x 29.97 cm; 3.18 kg |
| Viscosity | 25w-40 |

## Product Details

- **Brand:** Quicksilver
- **Liquid volume:** 128 Fluid Ounces
- **Package information:** Bottle
- **Vehicle service type:** Marine Vehicles
- **Viscosity:** 25w-40

## Images

![Quicksilver 25W-40 Marine Engine Oil - 1 Gallon - 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

### ⭐⭐ Review
*by P***1 on 13 June 2022*

Ça dit 3 bouteilles, mais en envoie seulement 1 seule. Par contre, leur service à la clientèle est rapide et courtois.

### ⭐⭐⭐⭐⭐ Review
*by T***C on 12 December 2025*

Works as advertised

### ⭐⭐ Review
*by C***X on 10 November 2020*

Product is marina oil, however not the quantity described. The description states1 gallon (pack of 3). I received 1 bottle not 3. Too expensive for what you receive.

## 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 Ireland*
*Store origin: IE*
*Last updated: 2026-02-27*