--- product_id: 558167584 title: "GTX 15W-40 A3/B3 Engine Oil 4L" brand: "castrol" price: "NT$6051" currency: TWD in_stock: true reviews_count: 13 category: "Castrol" url: https://www.desertcart.tw/products/558167584-gtx-15w-40-a3-b3-engine-oil-4l store_origin: TW region: Taiwan --- # Flash point 208Β°C ensures thermal stability 15W-40 viscosity grade for versatile engine protection Anti-sludge formula for superior engine cleanliness GTX 15W-40 A3/B3 Engine Oil 4L **Brand:** castrol **Price:** NT$6051 **Availability:** βœ… In Stock ## Summary > πŸ›’οΈ Keep your engine running like a boss β€” Castrol GTX 15W-40, the ultimate power-up! ## Quick Answers - **What is this?** GTX 15W-40 A3/B3 Engine Oil 4L by castrol - **How much does it cost?** NT$6051 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/558167584-gtx-15w-40-a3-b3-engine-oil-4l) ## 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 - β€’ **Engine Armor in a Bottle:** Advanced anti-wear additives extend engine life and performance - β€’ **Sludge? Not on Our Watch:** Anti-sludge formula outperforms industry standards for cleaner engines - β€’ **Trusted by Top Automakers:** Meets ACEA A3/B4, API SP, VW 501.01/505.00 & MB 229.1 standards - β€’ **Perfect for Diesel & Gasoline:** Optimized for older diesel and gasoline engines, including marine use - β€’ **Thermal & Viscosity Stability:** High flash point and viscosity protect under extreme conditions ## Overview Castrol GTX 15W-40 A3/B3 is a premium 4L engine oil designed for both gasoline and diesel engines, especially older models. It features a robust anti-sludge formula, superior thermal and viscosity stability with a 208Β°C flash point, and meets stringent industry standards including ACEA A3/B4, API SP, VW 501.01/505.00, and MB 229.1. Trusted by leading automakers, this oil extends engine life and ensures reliable performance under tough conditions. ## Description From the manufacturer Review: Good for older diesels - Good vfm. Very good in older diesel marine engines that don’t suit synthetic oils Review: Castrol GTX 15/40 - Good quality engine oil. Reasonably priced. ## Features - Contains N, N-bis(2-ethylhexyl)-((1,2,4- triazol-1-yl)methyl)amine. May produce an allergic reaction. - Safety data sheet available on request. - GTX 15W-40 A3/B3 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A3/B4, API SP or earlier specification 15W-40 lubricant. - GTX 15W-40 A3/B3 is also approved for use in VW group vehicles that require a VW 501 01/ 505 00 lubricant and meets FIAT 9.55535-D2. It is suitable for use in Mercedes-Benz vehicles requiring MB 229.1. - Advantages Castrol GTX 15W-40 A3/B3 Contains anti-sludge formula that provide better sludge protection compared to tough industry standards* Superior protection against viscosity and thermal breakdown Anti-wear additives that extend the life of your engine - Product Performance Claims ACEA A3/B4 API SP Meets - Fiat 9.55535-D2 VW 501.01/ 505 00 Suitable for use in vehicles requiring MB 229.1 - Storage All packages should be stored under cover. Where outside storage is unavoidable drums should be laid horizontally to avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60Β°C, exposed to hot sun or freezing conditions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CDLR5GGG | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | 8,587 in Automotive ( See Top 100 in Automotive ) 175 in Car Engine Oils | | Brand | Castrol | | Brand Name | Castrol | | Compatible with Vehicle Type | Car | | Container Type | Bottle | | Customer Reviews | 4.7 out of 5 stars 146 Reviews | | Flash Point | 208 Degrees Celsius | | Flash point | 208 Degrees Celsius | | Included Components | CASTROL Engine Oil 15W-40 GTX Mineral Oil Engine Oil ACEA A3/B3 API SL API CF A3/B3 | | Item Type Name | GTX 15W-40 4L | | Liquid Volume | 4 Litres | | Liquid volume | 4 Litres | | Manufacturer | Castrol | | Manufacturer Part Number | 15F628 | | Manufacturer Warranty Description | yes | | Model Number | 15F628 | | Number of Packs | 1 | | Package information | Bottle | | SAE J300 Viscosity Grade | 15W-40 | | Size | 4L | | Vehicle service type | Car | | Viscosity Level | Medium to High | ## Product Details - **Brand:** Castrol - **Liquid volume:** 4 Litres - **Package information:** Bottle - **SAE J300 Viscosity Grade:** 15W-40 - **Vehicle service type:** Car ## Images ![GTX 15W-40 A3/B3 Engine Oil 4L - Image 1](https://m.media-amazon.com/images/I/61cun872CKL.jpg) ## Available Options This product comes in different **Customer Package Type, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good for older diesels *by E***R on 20 April 2026* Good vfm. Very good in older diesel marine engines that don’t suit synthetic oils ### ⭐⭐⭐⭐⭐ Castrol GTX 15/40 *by H***R on 1 October 2025* Good quality engine oil. Reasonably priced. ### ⭐⭐⭐⭐⭐ Right product *by M***E on 27 May 2026* Great πŸ‘ ## Frequently Bought Together - Castrol GTX 15W-40 A3/B3 Engine Oil 4L - Wynn's Engine Oil Flush Cleans Inside Engine & Removes Harmful Deposits 425ml --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/558167584-gtx-15w-40-a3-b3-engine-oil-4l](https://www.desertcart.tw/products/558167584-gtx-15w-40-a3-b3-engine-oil-4l) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-08-28*