---
product_id: 18928141
title: "Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3"
brand: "castrol"
price: "€ 449.19"
currency: EUR
in_stock: true
reviews_count: 11
category: "Castrol"
url: https://www.desertcart.fi/products/18928141-castrol-gtx-high-mileage-5w-30-synthetic-blend-motor-oil
store_origin: FI
region: Finland
---

# Improves fuel economy Phosphorus Replacement Tech for emission system longevity Superior engine wear protection Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3

**Brand:** castrol
**Price:** € 449.19
**Availability:** ✅ In Stock

## Summary

> 🛢️ Keep your high-mileage ride running like new — because your engine deserves the best!

## Quick Answers

- **What is this?** Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3 by castrol
- **How much does it cost?** € 449.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/18928141-castrol-gtx-high-mileage-5w-30-synthetic-blend-motor-oil)

## 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

- • **Leak Reducer:** Advanced seal conditioners help minimize leaks, keeping your engine tight and efficient.
- • **Sludge Fighter:** Superior dispersancy formula actively combats sludge buildup for a cleaner engine.
- • **Engine Longevity Booster:** Phosphorus Replacement Technology protects catalytic converters and extends emission system life.
- • **Fuel Efficiency Enhancer:** Formulated to improve fuel economy beyond industry standards, saving you money at the pump.
- • **Trusted High-Mileage Formula:** Specifically designed for vehicles with 75,000+ miles, ensuring peak performance and protection.

## Overview

Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil is engineered for vehicles with over 75,000 miles, combining advanced additives and Phosphorus Replacement Technology to protect against engine wear, reduce leaks, fight sludge, and improve fuel economy—all while extending emission system life. This 5-quart, 3-pack meets or exceeds top industry standards including API SP and ILSAC GF-6, making it the go-to choice for professional-grade high-mileage engine care.

## Description

Castrol® GTX® High Mileage 5W-30 is the #1 consumer high-mileage brand, specially formulated for vehicles with over 75,000 miles. It's a synthetic blend motor oil that helps extend engine life providing Superior Protection in 7 Critical Areas including corrosion prevention, sludge control, timing and friction wear. It also contains a proprietary additive to protect the emisssion system. Our Phosphorus Replacement Technology reduces harmful phosphorus to protect the catalytic converter and help extend the life of your high mileage vehicle.

Review: Best Engine Oil - Great price, fast shipping, arrived sealed. Best engine protection by far!!
Review: Castrol fanboy - Best oil for my GF's high mileage car, good price.

## 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 | Meets Ford WSS-M2C946-B1 | Meets Ford WSS-M2C961-A1 | * Based on API and ACEA volatility specifications | ** In 5W-20, 5W-30 and 10W-30 grades versus industry specifications

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00JGQLU44 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #514 in Automotive ( See Top 100 in Automotive ) #16 in Motor Oils |
| Brand | Castrol |
| Customer Reviews | 4.8 4.8 out of 5 stars (8,174) |
| Date First Available | April 4, 2014 |
| Global Trade Identification Number | 00079191331026 |
| Item Weight | 0.01 ounces |
| Item model number | 15980E-3PK |
| Manufacturer | Castrol |
| Manufacturer Part Number | 03102C-3PK |
| Model | 03102-3PK |
| Product Dimensions | 14.1 x 12.5 x 10.1 inches |
| SAE J300 Viscosity Grade | 5W-30 |
| Size | 5 Quarts, Pack of 3 |
| UPC | 079191031025 079191331026 |
| Vehicle Service Type | For use in vehicles with over 75,000 miles, Passenger cars, trucks, and SUVs |
| Viscosity | 5W-30 SAE Grade |

## Product Details

- **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
- **Viscosity:** 5W-30 SAE Grade

## Images

![Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3 - Image 1](https://m.media-amazon.com/images/I/61RhMW6mjlL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best Engine Oil
*by R***G on March 2, 2026*

Great price, fast shipping, arrived sealed. Best engine protection by far!!

### ⭐⭐⭐⭐⭐ Castrol fanboy
*by B***B on January 23, 2026*

Best oil for my GF's high mileage car, good price.

### ⭐⭐⭐⭐⭐ Quality oil, good price, quick delivery.
*by J***. on January 17, 2026*

Great oil. Good price.

## Frequently Bought Together

- Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3
- Motorcraft FL-500S Oil Filter

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**Shop now:** [https://www.desertcart.fi/products/18928141-castrol-gtx-high-mileage-5w-30-synthetic-blend-motor-oil](https://www.desertcart.fi/products/18928141-castrol-gtx-high-mileage-5w-30-synthetic-blend-motor-oil)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-18*