--- product_id: 18928141 title: "GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Qt, Pack of 3" brand: "castrol" price: "€ 478.37" currency: EUR in_stock: true reviews_count: 11 category: "Castrol" url: https://www.desertcart.hr/products/18928141-gtx-high-mileage-5w-30-synthetic-blend-motor-oil-5 store_origin: HR region: Croatia --- # Improves fuel economy Phosphorus Replacement Tech for emission system longevity Superior engine wear protection GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Qt, Pack of 3 **Brand:** castrol **Price:** € 478.37 **Availability:** ✅ In Stock ## Summary > 🛠️ Keep your high-mileage ride running like new — because your engine deserves the best! ## Quick Answers - **What is this?** GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Qt, Pack of 3 by castrol - **How much does it cost?** € 478.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/18928141-gtx-high-mileage-5w-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 - • **Leak Defender:** Advanced seal conditioners reduce leaks, keeping your engine tight and efficient. - • **Sludge Fighter:** Superior dispersancy formula actively combats sludge buildup for a cleaner engine. - • **High Mileage Hero:** Specifically designed for vehicles over 75,000 miles to maintain peak performance. - • **Engine Longevity Booster:** Phosphorus Replacement Technology extends catalytic converter life and reduces emissions. - • **Fuel Efficiency Enhancer:** Formulated to improve fuel economy, saving you money on every mile. ## 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 emission systems, reduce sludge, prevent leaks, and improve fuel economy. This 5-quart, 3-pack meets or exceeds top industry standards (API SP/SN PLUS, ILSAC GF-6) and is trusted by thousands for superior engine wear protection and extended engine life. ## Description Castrol® GTX® High Mileage 5W-30 is 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: great product and price - great quality and value castrol is all use Review: Best Engine Oil - Great price, fast shipping, arrived sealed. Best engine protection by far!! ## 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 | #675 in Automotive ( See Top 100 in Automotive ) #18 in Motor Oils | | Brand | Castrol | | Brand Name | Castrol | | Compatible with Vehicle Type | For use in vehicles with over 75,000 miles, Passenger cars, trucks, and SUVs | | Container Type | Bottle | | Customer Reviews | 4.8 out of 5 stars 8,379 Reviews | | Global Trade Identification Number | 00079191331026 | | Included Components | Motor Oil | | Item Type Name | Motor Oil | | Item Weight | 0.01 Ounces | | Liquid Volume | 160 Fluid Ounces | | Manufacturer | Castrol | | Manufacturer Part Number | 03102C-3PK | | Manufacturer Warranty Description | 12 Months | | Model Number | 15980E-3PK | | Package Information | Bottle | | SAE J300 Viscosity Grade | 5W-30 | | Size | 5 Quarts, Pack of 3 | | UPC | 079191031025 079191331026 | | Unit Count | 480.0 Fluid Ounces | | Vehicle Service Type | For use in vehicles with over 75,000 miles, Passenger cars, trucks, and SUVs | ## 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 ![GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Qt, Pack of 3 - Image 1](https://m.media-amazon.com/images/I/61bWfVSL-mL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ great product and price *by G***T on April 3, 2026* great quality and value castrol is all use ### ⭐⭐⭐⭐⭐ Best Engine Oil *by R***G on March 2, 2026* Great price, fast shipping, arrived sealed. Best engine protection by far!! ### ⭐⭐⭐⭐⭐ Good 👍 *by J***K on May 2, 2026* 👍 ## Frequently Bought Together - Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3 - Motorcraft FL-500S Oil Filter --- ## 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.hr/products/18928141-gtx-high-mileage-5w-30-synthetic-blend-motor-oil-5](https://www.desertcart.hr/products/18928141-gtx-high-mileage-5w-30-synthetic-blend-motor-oil-5) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-25*