--- product_id: 607824862 title: "GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 1L" brand: "castrol" price: "$35.59" currency: USD in_stock: true reviews_count: 8 url: https://www.desertcart.us/products/607824862-gtx-5w-30-a5-b5-full-synthetic-engine-oil-1l store_origin: US region: United States of America --- # High 204°C flash point ACEA A5/B5 & API SL certified Flows smoothly at -30°C GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 1L **Brand:** castrol **Price:** $35.59 **Availability:** ✅ In Stock ## Summary > ⚙️ Keep your engine elite — don’t let sludge slow your hustle! ## Quick Answers - **What is this?** GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 1L by castrol - **How much does it cost?** $35.59 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/607824862-gtx-5w-30-a5-b5-full-synthetic-engine-oil-1l) ## 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 - • **Cold Start Champion:** Exceptional low-temp flow ensures instant lubrication and protection from the first turn of the key. - • **Engine Armor in a Bottle:** Superior sludge protection for a cleaner engine, even in stop-and-go city traffic. - • **Thermal Stability Mastery:** Advanced formula resists viscosity breakdown under extreme heat, keeping your engine running smooth. - • **Universal Fit, Premium Quality:** Designed for both gasoline and diesel engines meeting ACEA A5/B5 specs—trusted by top manufacturers. - • **Belgian Precision, Global Trust:** Crafted in Belgium with OEM warranty backing and a 4.8-star rating from discerning drivers. ## Overview Castrol GTX 5W-30 A5/B5 Engine Oil is a premium synthetic blend engineered to meet ACEA A5/B5 and API SL standards, delivering exceptional protection against sludge, thermal breakdown, and high-temperature deposits. With a high flash point of 204°C and excellent low-temperature flow at -30°C, it ensures reliable engine performance in diverse conditions. Suitable for gasoline and diesel engines, this 1L bottle offers universal fitment and is manufactured in Belgium, trusted by professionals and rated 4.8 stars by users. ## Description ["https://m.media-desertcart.com/images/S/aplus-media-library-service-media/ce099ce1-9e98-4c3a-8a43-e1a0df556340.__CR0,0,1464,625_PT0_SX1464_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/0cd8cc0c-1c47-4105-9251-2de2873c2e95.__CR0,0,362,453_PT0_SX362_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/6ac1f8d3-232c-4be1-b5b0-e7bc8920fcc1.__CR0,0,362,453_PT0_SX362_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/0d2d4595-dc1b-4429-b6dc-c06a8dba3229.__CR0,0,362,453_PT0_SX362_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/e9750ac4-fc8b-47a4-b5af-6e979b209be0.__CR0,0,166,182_PT0_SX166_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/e0a9ff46-0b67-4fee-92ab-9b1fffbbd044.__CR0,0,166,182_PT0_SX166_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/0a0b6e37-4c11-4909-b995-1f0fabd8aa1b.__CR0,0,166,182_PT0_SX166_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/e07384da-7cd6-4148-9a05-b958892c1f60.__CR0,0,166,182_PT0_SX166_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/0c80cef3-16a3-4c45-804c-6b8ce9df6ba4.__CR0,0,362,453_PT0_SX362_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/c1e8b540-b972-45bf-9ca6-4fcccf313d22.__CR0,0,362,453_PT0_SX362_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/52392037-e43d-4976-acad-570e9dad772f.__CR0,0,362,453_PT0_SX362_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/9d6380bc-8c1b-43b1-b849-4cd3d203100e.__CR0,0,362,453_PT0_SX362_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/2c22a633-122c-43d4-a9ab-580e52afd288.__CR0,0,362,453_PT0_SX362_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/aa4af93b-c1fb-4b38-a063-ba7f4190e4dc.__CR0,0,970,300_PT0_SX970_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/3ed0d545-3107-4711-b385-75455e43bfd4.__CR0,0,970,300_PT0_SX970_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/72a72d89-db53-4bc0-80ca-15d0d64b64e9.__CR0,0,970,300_PT0_SX970_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/b632e429-c82b-4a59-88f0-78891aa6aa45.__CR0,0,970,300_PT0_SX970_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/00231835-483e-4fcb-89f1-f567c05e64b9.__CR0,0,970,300_PT0_SX970_V1___.jpg"] ## Features - 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 | B0CV5T9DLZ | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | 1,619 in Automotive (See Top 100 in Automotive) 41 in Car Engine Oils | | Brand Name | Castrol | | Compatible With Vehicle Type | Car | | Container Type | Bottle | | Country Of Origin | Belgium | | Customer Reviews | 4.8 4.8 out of 5 stars (170) 4.8 out of 5 stars | | Flash Point | 1.14 Degrees Celsius | | Item Type Name | GTX 5W-30 A5/B5 | | Liquid Volume | 1 Litres | | Manufacturer | Castrol | | Manufacturer Part Number | 15F6F1 | | Manufacturer Warranty Description | OEM | | Model Number | 15F6F1 | | Size | 1L | | Unit Count | 1000.0 millilitre | ## Product Details - **Brand:** Castrol - **Liquid volume:** 1 Litres - **Package information:** Bottle - **SAE J300 Viscosity Grade:** 5W-30 - **Vehicle service type:** Car ## Images ![GTX 5W-30 A5/B5 Full Synthetic Engine Oil, 1L - Image 1](https://m.media-amazon.com/images/I/61h+wquYstL.jpg) ## Available Options This product comes in different **Customer Package Type, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good item *by on Reviewed in the United Kingdom 20 June 2026* Good and cheap ### ⭐⭐⭐⭐⭐ Perfect *by on Reviewed in the United Kingdom 9 July 2026* Good quality stuffWorks perfectly fine ### ⭐⭐⭐⭐⭐ Great price *by on Reviewed in the United Kingdom 11 March 2026* Good product at the best price. ## Frequently Bought Together - Castrol GTX 5W-30 A5/B5 Engine Oil 1L, White - PRESTONE PAFR0035B Coolant Antifreeze for All Vehicles 10 year 300,000 miles Corrosion Protection, Ready to Use, 1 Litre - Prestone Screenwash, Ready To Use Screen Wash For Cars - Winter, High Performance Cleaning With Streak Free Formula, Maximum Visibility Winter Windscreen Washer Fluid, Removes Stubborn Dirt, 5L Bottle --- ## 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.us/products/607824862-gtx-5w-30-a5-b5-full-synthetic-engine-oil-1l](https://www.desertcart.us/products/607824862-gtx-5w-30-a5-b5-full-synthetic-engine-oil-1l) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-16*