---
product_id: 742793255
title: "Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 GA"
brand: "valvoline"
price: "¥34285"
currency: JPY
in_stock: false
reviews_count: 5
category: "Valvoline"
url: https://www.desertcart.jp/products/742793255-valvoline-4-stroke-marine-full-synthetic-engine-oil-1-ga
store_origin: JP
region: Japan
---

# 50% stronger wear protection 8X better rust defense American made & formulated Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 GA

**Brand:** valvoline
**Price:** ¥34285
**Availability:** ❌ Out of Stock

## Summary

> ⚓ Power your marine engine with the ultimate synthetic shield!

## Quick Answers

- **What is this?** Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 GA by valvoline
- **How much does it cost?** ¥34285 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/742793255-valvoline-4-stroke-marine-full-synthetic-engine-oil-1-ga)

## Best For

- valvoline enthusiasts

## Why This Product

- Trusted valvoline brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Proudly American:** Crafted in the USA to maximize engine life and boost performance
- • **Rust? Not on Your Watch:** 8X superior rust defense keeps moisture damage at bay, whether running or stored
- • **Tailored for Marine Power:** Specifically engineered for the unique demands of 4-stroke marine engines
- • **Full Synthetic Performance:** Premium formula delivers peak durability and acceleration without compromise
- • **Unmatched Engine Longevity:** 50% stronger wear protection to conquer extreme marine heat and RPMs

## Overview

Valvoline 4-Stroke Marine Full Synthetic Engine Oil is a premium, American-made motor oil designed specifically for 4-stroke marine engines. It offers 50% stronger wear protection and 8X better rust defense than industry standards, ensuring superior durability and performance in extreme marine conditions. With a 10W-30 viscosity and a flash point of 390°F, it maximizes engine life and horsepower for both inboard and outboard motors.

## Description

Inboard? Outboard? Whatever floats your boat, Valvoline Full Synthetic 4-Stroke Marine Motor Oil is proven to maximize engine life. Unlike automobile engines, four-stroke marine motors face unique challenges from higher running speeds, seasonal use, and extreme operating environments that can lead to corrosion, excessive wear, and dirt deposits. Valvoline Full Synthetic 4-Stroke Marine Oil is optimized for performance and durability, providing 50% stronger wear protection and 8X better defense against rust than industry standards. All without compromising acceleration and horsepower. For peak performance, make sure your motor has the superior protection it demands. Full Synthetic 4-Stroke Marine Motor Oil from Valvoline – the trusted motor oil brand for more than 150 years.

Review: Good stuff, fair price.
Review: works perfect

## Features

- 50% stronger wear protection to meet the extreme heat and higher RPM demands of 4-stroke marine engines
- Up to 8X better rust defense. Running or stored, your marine engine takes in moisture. Left unprotected this exposure can lead to severe rust damage
- Engineered specifically for the unique demands of marine motors
- Premium full synthetic formula for performance and durability in extreme conditions
- AMERICAN MADE & FORMULATED to maximize your engine’s life and improve it’s performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C1LKVSD4 |
| Brand | Valvoline |
| Brand Name | Valvoline |
| Compatible with Vehicle Type | Boat |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 213 Reviews |
| Flash Point | 390 Degrees Fahrenheit |
| Flash point | 390 Degrees Fahrenheit |
| Included Components | Engine Oil |
| Item Type Name | Engine Oil |
| Liquid Volume | 1 Gallons |
| Liquid volume | 1 Gallons |
| Manufacturer | Valvoline |
| Manufacturer Part Number | 899591-EA |
| Package information | Bottle |
| UPC | 074130069145 |
| Unit Count | 1.0 Count |
| Vehicle service type | Boat |
| Viscosity | 10W 30 |

## Product Details

- **Brand:** Valvoline
- **Liquid volume:** 1 Gallons
- **Package information:** Bottle
- **Vehicle service type:** Boat
- **Viscosity:** 10W 30

## Images

![Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 GA - Image 1](https://m.media-amazon.com/images/I/6152uaQ+RTL.jpg)
![Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 GA - Image 2](https://m.media-amazon.com/images/I/61yMSkKFFuL.jpg)
![Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 GA - Image 3](https://m.media-amazon.com/images/I/61z7QOthtNL.jpg)
![Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 GA - Image 4](https://m.media-amazon.com/images/I/71E838-Zr+L.jpg)
![Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 GA - Image 5](https://m.media-amazon.com/images/I/71Q-lhY7ebL.jpg)

## Available Options

This product comes in different **Configuration, Size** options.

## Questions & Answers

**Q: Anyone running it a jetski any difference  (yamaha gp800)**
A: i used it for a scooter 2 stroke and it was working perfect.now for a jet ski i don't know if its a 2 stroke it will work...

**Q: Is this a synthetic blend?**
A: It literally says synthetic blend on the bottle. Yes, it is synthetic blend. Run in a 1999 Polaris Genesis. Perfect oil and good price.

**Q: Can this product be used with chainsaws?**
A: This is a gas mix for 2-cycle engines. If your chainsaw is a 2-cycle engine and your looking for a fuel mix, that's what this is for then, yes.

**Q: Can i run valvoline outboard in a weed eater 50:1?**
A: Thank you for your interest in our products and your question!  Yes, all of our Valvoline 2-Stroke Motor Oil products are suitable to use in your application, provided the product is mixed at the proper ratio recommended by the engine manufacturer.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good stuff, fair price.
*by K***Y on 12 December 2025*



### ⭐⭐⭐⭐⭐ works perfect
*by T***8 on 28 December 2025*



### ⭐⭐⭐⭐⭐ Use the best oil to protect your investment
*by P***T on 30 September 2025*



## Frequently Bought Together

- Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 GA
- Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 QT
- Quicksilver by Mercury Marine 8M0162830 Oil Filter for Mercury and Mariner 4-Stroke Outboards 25-115hp

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**Shop now:** [https://www.desertcart.jp/products/742793255-valvoline-4-stroke-marine-full-synthetic-engine-oil-1-ga](https://www.desertcart.jp/products/742793255-valvoline-4-stroke-marine-full-synthetic-engine-oil-1-ga)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-19*