---
product_id: 75188598
title: "Quicksilver 25W-40 Synthetic Blend - Gallon"
brand: "quicksilver"
price: "B/.242"
currency: PAB
in_stock: true
category: "Quicksilver"
url: https://www.desertcart.com.pa/products/75188598-quicksilver-25w-40-synthetic-blend-gallon
store_origin: PA
region: Panama
---

# 25W-40 viscosity for optimal engine flow Synthetic blend with superior corrosion & wear protection Specifically engineered for 4-stroke marine engines Quicksilver 25W-40 Synthetic Blend - Gallon

**Brand:** quicksilver
**Price:** B/.242
**Availability:** ✅ In Stock

## Summary

> 🛥️ Keep your engine cruising strong with the ultimate marine oil upgrade!

## Quick Answers

- **What is this?** Quicksilver 25W-40 Synthetic Blend - Gallon by quicksilver
- **How much does it cost?** B/.242 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/75188598-quicksilver-25w-40-synthetic-blend-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 Certified Quality:** Meets Mercury Marine original equipment specs for guaranteed compatibility and protection
- • **Viscosity You Can Trust:** 25W-40 viscosity maintains peak lubrication and engine reliability in diverse marine conditions
- • **Engine Longevity Booster:** Advanced synthetic blend combats corrosion and wear even under high RPM stress
- • **Marine-Grade Performance:** Direct OEM replacement ensuring perfect fit and function for Mercury Marine engines
- • **Proven Customer Favorite:** Top-rated with 4.8 stars from 1,676 reviews—join the community of satisfied boat owners

## Overview

Quicksilver 25W-40 Synthetic Blend Marine Engine Oil is a premium, OEM-certified lubricant designed specifically for 4-stroke marine engines. It offers superior corrosion resistance and wear protection, maintaining optimal viscosity and engine performance under high RPM conditions. Trusted by thousands of boat owners, this oil ensures your Mercury Marine engine runs smoothly and reliably on every voyage.

## Description

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

## 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 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #655 in Automotive ( See Top 100 in Automotive ) #19 in Motor Oils |
| Brand Name | Quicksilver |
| Compatible with Vehicle Type | Boat |
| Container Type | Bottle |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,720) |
| 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 |
| Manufacturer Warranty Description | See Label |
| Model Number | 8M0078623 |
| Size | 1-Gallon |
| UPC | 745061915572 745061915824 |
| Unit Count | 128.0 Fluid Ounces |
| Viscosity Level | Medium to High |

## Product Details

- **Brand:** Quicksilver
- **Liquid Volume:** 3.79 Liters
- **Package Information:** Bottle
- **UPC:** 745061915572 745061915824
- **Vehicle Service Type:** Boat

## Images

![Quicksilver 25W-40 Synthetic Blend - Gallon - Image 1](https://m.media-amazon.com/images/I/61KFdPGIarL.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 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives, 32 oz

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**Shop now:** [https://www.desertcart.com.pa/products/75188598-quicksilver-25w-40-synthetic-blend-gallon](https://www.desertcart.com.pa/products/75188598-quicksilver-25w-40-synthetic-blend-gallon)

---

*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-06-25*