# Buy Castrol GTX 15W-40 A3/B3 engine oil 5L | Autoservice ## Castrol GTX 15W-40 A3/B3 engine oil 5L Oil & Additives / Oil / Engine oil 15w40 Castrol GTX 15W-40 A3/B3 offers superior protection against sludge and thermal breakdown, suitable for petrol and diesel engines. ## Prices and stock - **CASTROL GTX 15W40 5L**: € 53,74 incl. VAT — 5 in stock ## Order URL [Castrol GTX 15W-40 A3/B3 engine oil 5L](https://www.auto-service.be/en/oil-additives/oil/engine-oil-15w40/castrol-gtx-15w40-a3b3-5l) ## Alternate URLs - **nl**: [Castrol GTX 15W-40 A3/B3 engine oil 5L](https://www.auto-service.be/nl/olie-additieven/olie/motorolie-15w40/castrol-gtx-15w40-a3b3-motorolie-gtx-15w40-a3b3-5l) - **fr**: [Castrol GTX 15W-40 A3/B3 engine oil 5L](https://www.auto-service.be/fr/huile-et-additifs/huile/huile-moteur-15w40/castrol-gtx-15w40-a3b3-5l) - **en**: [Castrol GTX 15W-40 A3/B3 engine oil 5L](https://www.auto-service.be/en/oil-additives/oil/engine-oil-15w40/castrol-gtx-15w40-a3b3-5l) ## Images - ![Product image](https://www.auto-service.be/assets/media/34206/conversions/castrol-gtx-15w40-a3b3-motorolie-gtx-15w40-a3b-optimized.jpg) ## Specifications - **Reference**: CASTROL GTX 15W40 5L - **EAN**: 4008177137655 - **Brand**: CASTROL ## Product description ### Superior protection against sludge Castrol GTX 15W-40 A3/B3 is designed to protect your engine against the buildup of sludge, a thick, tar-like substance that can reduce your engine's performance. This engine oil offers 25% better protection against sludge compared to the industry standard, keeping your engine cleaner and more efficient. ### Suitable for various engines This engine oil is suitable for both petrol and diesel engines, including vehicles with turbochargers, multi-valve systems, and catalytic converters. It meets the ACEA A3/B4 and API SP specifications, and is approved for use in vehicles from, among others, Volkswagen and Mercedes-Benz that require a 15W-40 oil with specifications VW 501 01/505 00 or MB 229.1. ### Benefits of Castrol GTX 15W-40 A3/B3 - **Excellent protection against thermal and viscosity breakdown**: Helps maintain oil performance under high temperatures and severe driving conditions. - **Anti-wear additives**: Extend the life of your engine by reducing wear. - **Contains seal conditioners**: Helps limit oil consumption and prevents smoke and leaks by maintaining the elasticity of engine seals. ### Technical specifications - **Density at 15°C**: 0.873 g/ml - **Kinematic viscosity at 100°C**: 14.5 mm²/s - **Viscosity index**: 144 - **Pour point**: -36°C - **Flash point**: 202°C - **Sulfated ash**: 1.3% by weight ### Applications and approvals Castrol GTX 15W-40 A3/B3 meets the following specifications and approvals: - **ACEA A3/B4** - **API SP** - **VW 501 01 / 505 00** - **Fiat 9.55535-D2** - **MB-Approval 229.1** ### Storage and use For optimal performance, it is recommended to store the oil in a dry place, protected from direct sunlight and at temperatures below 60°C. Make sure the packaging is tightly closed to prevent contamination. With Castrol GTX 15W-40 A3/B3, you choose a reliable engine oil that protects your engine and extends its lifespan. ## Breadcrumbs - [Oil & Additives](https://www.auto-service.be/en/oil-additives) - [Oil](https://www.auto-service.be/en/oil-additives/oil) - [Engine oil 15w40](https://www.auto-service.be/en/oil-additives/oil/engine-oil-15w40) ## Related products - [MPM engine oil Turbo Universal 15W-40 5 liters](https://www.auto-service.be/en/oil-additives/oil/engine-oil-15w40/mpm-engine-oil-turbo-universal-15w-40-5l) - [Castrol GTX 15W-40 A3/B3 engine oil 1L](https://www.auto-service.be/en/oil-additives/oil/engine-oil-15w40/castrol-gtx-15w40-a3b3-1l) - [MPM Motor Oil Turbo Universal 15W-40 20L](https://www.auto-service.be/en/oil-additives/oil/engine-oil-15w40/mpm-engine-oil-turbo-universal-15w-40-20l) - [Bardahl XTM 15W40 Multifleet engine oil 1L for optimal engine performance](https://www.auto-service.be/en/oil-additives/oil/engine-oil-15w40/bardahl-15w40-xtm-multifleet-motor-oil-1l) - 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