---
product_id: 5995797
title: "GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts"
brand: "castrol"
price: "€ 109.81"
currency: EUR
in_stock: true
url: https://www.desertcart.gr/products/5995797-gtx-high-mileage-10w-30-synthetic-blend-motor-oil-5
store_origin: GR
region: Greece
---

# Improves fuel economy Phosphorus Replacement Tech extends emission system life Advanced engine wear protection GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts

**Brand:** castrol
**Price:** € 109.81
**Availability:** ✅ In Stock

## Summary

> 🛢️ Keep your engine young, efficient, and leak-free with GTX High Mileage!

## Quick Answers

- **What is this?** GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts by castrol
- **How much does it cost?** € 109.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/5995797-gtx-high-mileage-10w-30-synthetic-blend-motor-oil-5)

## Best For

- castrol enthusiasts

## Why This Product

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

## Key Features

- • **Sludge Fighter:** Superior dispersancy keeps your engine cleaner, mile after mile
- • **Burn-Off Barrier:** Exceptional oil burn-off protection for consistent performance
- • **Emission System Guardian:** Phosphorus Replacement Technology extends emission system life
- • **Engine Longevity Booster:** Seal conditioners reduce leaks and protect high-mileage engines
- • **Fuel Efficiency Enhancer:** Formulated to improve fuel economy beyond industry standards

## Overview

Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil is engineered for vehicles with over 75,000 miles, combining advanced additives and Phosphorus Replacement Technology to reduce leaks, fight sludge, protect against engine wear, and improve fuel economy—all while exceeding industry standards for oil burn-off and emissions.

## Description

Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts

## Features

- Phosphorus Replacement Technology helps extend emission system life
- Superior dispersancy that fights sludge build up
- Exceptional oil burn-off protection exceeding industry standards* | Seal conditioners to help reduce leaks
- Advanced additives that help prevent engine wear | Improved Fuel Economy**
- Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM | ILSAC GF-6 | * Based on API and ACEA volatility specifications ** In 5W-20, 5W-30 and 10W-30 grades versus industry specifications

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Viscosity | 10W 30 SAE Grade |
| Brand | Castrol |
| Vehicle Service Type | For use in vehicles with over 75,000 miles, Passenger cars, trucks, and SUVs |
| UPC | 079191231104 |
| Automotive Fit Type | Universal Fit |
| Global Trade Identification Number | 00079191231104 |
| Manufacturer | Castrol |
| Size | 5 Quarts |
| SAE J300 Viscosity Grade | 10W-30 |
| Model | 03110 |
| Item Weight | 9.43 pounds |
| Product Dimensions | 11.9 x 9.5 x 4.5 inches |
| Item model number | 03110 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 03110C |

## Product Details

- **Viscosity:** 10W 30 SAE Grade
- **Brand:** Castrol
- **Liquid Volume:** 160 Fluid Ounces
- **Package Information:** Bottle
- **Vehicle Service Type:** For use in vehicles with over 75,000 miles, Passenger cars, trucks, and SUVs

## Images

![GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts - Image 1](https://m.media-amazon.com/images/I/61-CIrwlB6L.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this oil used for inboard Mercruiser?**
A: Castrol does not recommend using passenger car engine oils like Castrol GTX High Mileage 10W-30 in marine applications.

At this time, Castrol does NOT offer 4-stroke marine oil or NMMA certified engine oil therefore Castrol GTX High Mileage 10W-30 would NOT be recommended for use in a Mercruiser Inboard.

**Q: Can I use this oil in my zero turn mower john deere says 10W-30**
A: This is a blended half synthetic, if your engine requires 10W 30 this will work.
The purely synthetic oil is very thin and can find a leak in machinery very quickly.
This in my 95 YJ has performed well.

**Q: For the 10w30 synthetic blend or semi synthetic blend do you have to use a regular oil filter or synthetic oil filter?**
A: regular oil filter

**Q: How is this quality?**
A: Castrol motor oil is quality without question.
I have several cars some oil and some new . I use it in all of them.
The high mileage oil truly helps the cars with high mileage.

## Frequently Bought Together

- Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts
- FRAM Extra Guard PH7317, 10K Mile Change Automotive Replacement Interval Spin-On Engine Oil Filter for Select Vehicle Models
- FRAM Extra Guard PH3614, 10K Mile Change Automotive Replacement Interval Spin-On Engine Oil Filter for Select Vehicle Models

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**Shop now:** [https://www.desertcart.gr/products/5995797-gtx-high-mileage-10w-30-synthetic-blend-motor-oil-5](https://www.desertcart.gr/products/5995797-gtx-high-mileage-10w-30-synthetic-blend-motor-oil-5)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-01-22*