--- product_id: 607720294 title: "GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 5L" brand: "castrol" price: "€ 172.69" currency: EUR in_stock: true reviews_count: 8 category: "Castrol" url: https://www.desertcart.hr/products/607720294-gtx-5w-30-a5-b5-full-synthetic-engine-oil-5l store_origin: HR region: Croatia --- # High 204°C flash point for thermal stability 5W-30 viscosity for optimal engine flow ACEA A5/B5 & API SL certified for superior protection GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 5L **Brand:** castrol **Price:** € 172.69 **Availability:** ✅ In Stock ## Summary > 🛢️ Keep your engine young, sleek, and unstoppable with Castrol GTX 5W-30! ## Quick Answers - **What is this?** GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 5L by castrol - **How much does it cost?** € 172.69 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/607720294-gtx-5w-30-a5-b5-full-synthetic-engine-oil-5l) ## 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 - • **Ultimate Sludge Defense:** Protects against sludge buildup caused by heat, pollutants, and frequent short trips—keeping your engine pristine. - • **Universal Compatibility:** Perfectly suited for gasoline and diesel engines requiring ACEA A5/B5 or earlier 5W-30 specs—one oil for all your rides. - • **Advanced Synthetic Formula:** Premium synthetic base oils combined with anti-wear additives ensure your engine runs smoother, longer. - • **Thermal & Viscosity Stability:** Maintains optimal viscosity and resists thermal breakdown even under extreme driving conditions. - • **Trusted Quality & Performance:** Backed by Castrol’s OEM warranty and a 4.8-star rating from 170+ users, this 5L bottle is your engine’s new best friend. ## Overview Castrol GTX 5W-30 A5/B5 is a full synthetic engine oil designed for both gasoline and diesel engines, delivering superior sludge protection, thermal stability, and viscosity control. Certified to ACEA A5/B5 and API SL standards, it comes in a 5L bottle and is trusted worldwide for maintaining engine performance and longevity. ## Description From the manufacturer Review: Good item - Good and cheap Review: Perfect - Good quality stuff Works perfectly fine ## Features - Contains MOLYBDENUM POLYSULPHIDE LONG CHAIN ALKYL DITHIOCARBAMIDE COMPLEX. May produce an allergic reaction. - Safety data sheet available on request. - Product Performance Claims ACEA A5/B5 API SL ILSAC GF-4 Meets - Ford WSS-M2C913-A/ WSS-M2C913-B/ WSS-M2C913-C/ WSS-M2C913-D - Application Castrol GTX 5W-30 A5/B5 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A5/B5 or earlier specification 5W-30 lubricant. - Advantages The Castrol GTX range: Delivers superior protection against sludge* caused by pollutants, heat and frequent short trips Provides advanced protection against viscosity and thermal breakdown Demonstrates exceptional protection against high temperature deposits Contains premium synthetic technology base oils and anti-wear additive - Typical Characteristics Name Method Units Density @ 15C, Relative ASTM D4052 Castrol GTX 5W-30 A5/B5 g/ml 0.85 Viscosity, Kinematic 100C ASTM D445 mm²/s 9.7 Viscosity, CCS -30C ASTM D5293 mPa.s (cP) Viscosity, Kinematic 40C ASTM D445 4750 mm²/s 55 Viscosity Index ASTM D2270 None Pour Point ASTM D97 162 °C-42 Ash, Sulphated ASTM D874 % wt Flash Point, PMCC ASTM D93 1.14 °C 204 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CV5THJ72 | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | 1,140 in Automotive ( See Top 100 in Automotive ) 29 in Car Engine Oils | | Brand | Castrol | | Brand Name | Castrol | | Compatible with Vehicle Type | Car | | Container Type | Bottle | | Country Of Origin | Belgium | | Customer Reviews | 4.8 out of 5 stars 170 Reviews | | Flash Point | 1.14 Degrees Celsius | | Flash point | 1.14 Degrees Celsius | | Item Type Name | GTX 5W-30 A5/B6 | | Liquid Volume | 5 Litres | | Liquid volume | 5 Litres | | Manufacturer | Castrol | | Manufacturer Part Number | 15F6F2 | | Manufacturer Warranty Description | OEM | | Model Number | 15F6F2 | | Package information | Bottle | | Size | 5L | | Unit Count | 5000.0 millilitre | | Vehicle service type | Car | ## Product Details - **Brand:** Castrol - **Liquid volume:** 5 Litres - **Package information:** Bottle - **SAE J300 Viscosity Grade:** 5W-20 - **Vehicle service type:** Car ## Images ![GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 5L - Image 1](https://m.media-amazon.com/images/I/71mOImMd+IL.jpg) ![GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 5L - Image 2](https://m.media-amazon.com/images/I/71LDqb2j15L.jpg) ![GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 5L - Image 3](https://m.media-amazon.com/images/I/71fchH7ecaL.jpg) ![GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 5L - Image 4](https://m.media-amazon.com/images/I/71ZtWMrBDtL.jpg) ![GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 5L - Image 5](https://m.media-amazon.com/images/I/71noRKE8sjL.jpg) ## Available Options This product comes in different **Customer Package Type, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good item *by J***D on 20 June 2026* Good and cheap ### ⭐⭐⭐⭐⭐ Perfect *by S***S on 9 July 2026* Good quality stuff Works perfectly fine ### ⭐⭐⭐⭐⭐ Great price *by M***R on 11 March 2026* Good product at the best price. ## Frequently Bought Together - Castrol GTX 5W-30 A5/B5 Engine Oil 5L, White - Bosch S0492 - Air Filter Car - Bosch P9238 Car Oil Filter - Separates Soot and Metal Particles from Engine Oil - Provides Reliable Engine Lubrication --- ## 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/607720294-gtx-5w-30-a5-b5-full-synthetic-engine-oil-5l](https://www.desertcart.hr/products/607720294-gtx-5w-30-a5-b5-full-synthetic-engine-oil-5l) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-23*