---
product_id: 75188598
title: "by Mercury Marine 25W-40 Marine Engine Oil"
brand: "quicksilver"
price: "€ 163.41"
currency: EUR
in_stock: true
reviews_count: 13
category: "Quicksilver"
url: https://www.desertcart.it/products/75188598-by-mercury-marine-25w-40-marine-engine-oil
store_origin: IT
region: Italy
---

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

**Brand:** quicksilver
**Price:** € 163.41
**Availability:** ✅ In Stock

## Summary

> 🛥️ Keep your engine cruising at peak power — because your boat deserves the best!

## Quick Answers

- **What is this?** by Mercury Marine 25W-40 Marine Engine Oil by quicksilver
- **How much does it cost?** € 163.41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/75188598-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

- • **Proven Reliability:** Top-rated by thousands of boaters who refuse to compromise on engine health.
- • **OEM Trusted Formula:** Meets Mercury Marine specs for guaranteed compatibility and peak protection.
- • **Viscosity That Works:** 25W-40 viscosity maintains engine efficiency across temperature extremes.
- • **Marine-Grade Performance:** Tailored synthetic blend ensures your outboard runs smoother and longer.
- • **Ultimate Corrosion Defense:** Industry-leading additives shield your engine from saltwater wear and tear.

## Overview

Quicksilver 25W-40 Synthetic Blend Marine Engine Oil is a premium, OEM-approved lubricant designed specifically for 4-stroke marine engines. It offers superior corrosion resistance and wear protection, maintaining optimal viscosity and engine performance in demanding marine environments. Trusted by professionals and enthusiasts alike, this 1-gallon oil keeps your Mercury Marine outboard running reliably and efficiently.

## Description

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

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 | #1,886 in Automotive ( See Top 100 in Automotive ) #36 in Motor Oils |
| Brand | Quicksilver |
| Brand Name | Quicksilver |
| Color | Unspecified |
| Customer Reviews | 4.8 4.8 out of 5 stars (4,264) |
| Date First Available | November 11, 2013 |
| Fishing Technique | Spinning, Casting |
| Global Trade Identification Number | 00745061915572 |
| Included Components | End Product & Information |
| Item Dimensions LxWxH | 7.5 x 5.1 x 11.8 inches |
| Item Package Dimensions L x W x H | 11.85 x 7.24 x 4.88 inches |
| Item Weight | 7 Pounds |
| Manufacturer | Quicksilver |
| Material | Various Materials |
| Model Name | 25W-40 Synthetic Marine Engine Oil - 1 Gallon |
| Number of Items | 1 |
| Package Weight | 3.54 Kilograms |
| Part Number | 8M0078623 |
| Size | 1-Gallon |
| Style | Synthetic blend |
| Suggested Users | Boat Engine Parts and Accessories |
| UPC | 745061915572 745061915824 |
| 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

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

---

## 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.it/products/75188598-by-mercury-marine-25w-40-marine-engine-oil](https://www.desertcart.it/products/75188598-by-mercury-marine-25w-40-marine-engine-oil)

---

*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-03-12*