--- product_id: 549107208 title: "Castrol GTX 5W-30 RN17 Full Synthetic Engine Oil, 5L" brand: "castrol" price: "¥34747" currency: JPY in_stock: true category: "Castrol" url: https://www.desertcart.jp/products/549107208-castrol-gtx-5w-30-rn17-full-synthetic-engine-oil-5l store_origin: JP region: Japan --- # Flash point 203°C resists thermal breakdown 5W-30 viscosity for year-round engine efficiency Meets Renault RN17 & ACEA C3 for premium engine protection Castrol GTX 5W-30 RN17 Full Synthetic Engine Oil, 5L **Brand:** castrol **Price:** ¥34747 **Availability:** ✅ In Stock ## Summary > 🛢️ Drive smarter, not harder — premium protection that keeps you ahead of the pack! ## Quick Answers - **What is this?** Castrol GTX 5W-30 RN17 Full Synthetic Engine Oil, 5L by castrol - **How much does it cost?** ¥34747 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/549107208-castrol-gtx-5w-30-rn17-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 - • **Full Synthetic Power:** Premium base oils and anti-wear additives extend engine life and maintain peak efficiency. - • **Trusted by Thousands:** 4.7-star rating from over 1,200 users proves it’s the go-to choice for discerning drivers. - • **Renault RN17 Certified:** Specifically engineered to meet Renault’s stringent RN17 standard for superior engine longevity. - • **All-Weather Engine Shield:** 5W-30 viscosity ensures smooth starts and optimal performance in any climate. - • **Thermal Stability Mastery:** High 203°C flash point protects your engine from heat-induced wear and sludge buildup. ## Overview Castrol GTX 5W-30 RN17 Full Synthetic Engine Oil is a 5-liter premium lubricant designed for cars requiring Renault RN17 specification. It offers advanced protection against engine sludge, thermal and viscosity breakdown, using high-quality base oils and additives to extend engine life. With a high flash point of 203°C and universal fit, it’s trusted by thousands for reliable, all-weather performance. ## Description Buy Castrol GTX 5W-30 RN17 Full Synthetic Engine Oil, 5L at desertcart UK. Free delivery on eligible orders. ## Features - Contains Benzenesulfonic acid, methyl-, mono-C20-24-branched alkyl derivatives, calcium salts and alkyl (C18-C28) toluenesulfonic acid, calcium salts, borates. May produce an allergic reaction. - Safety data sheet available on request. - Suitable in vehicles that require a Renault RN17 specifcation 5W-30 lubricant - Specifications: ACEA C3 Renault RN17 - Provides superior protection against engine sludge - Advanced protection against viscosity and thermal breakdown - Premium quality base oils and anti wear additives to help extend the life of your engine ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C816HNSY | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | 779 in Automotive ( See Top 100 in Automotive ) 28 in Car Engine Oils | | Brand Name | Castrol | | Compatible with Vehicle Type | Car | | Container Type | Bottle | | Country Of Origin | United Kingdom | | Customer Reviews | 4.7 4.7 out of 5 stars (1,251) | | Flash Point | 203.25 Degrees Celsius | | Included Components | Car Engine Oils | | Item Type Name | Car Engine Oils | | Item Weight | 3.87 Kilograms | | Liquid Volume | 5 Litres | | Manufacturer | Castrol | | Manufacturer Part Number | 15F6E5 | | Manufacturer Warranty Description | refer to Castrol website | | Model Number | Castrol | | Number of Packs | 1 | | SAE J300 Viscosity Grade | 5W | | Size | 5L | | Unit Count | 5000.0 millilitre | | Viscosity Level | Low to Medium | ## Product Details - **Brand:** Castrol - **Liquid volume:** 5 Litres - **Package information:** Bottle - **SAE J300 Viscosity Grade:** 5W - **Vehicle service type:** Car ## Images ![Castrol GTX 5W-30 RN17 Full Synthetic Engine Oil, 5L - Image 1](https://m.media-amazon.com/images/I/71ZSLkIn2TL.jpg) ## Available Options This product comes in different **Customer Package Type, Size** options. ## Questions & Answers **Q: Is this ok for 19 reg vauxhall crossland** A: It is specific for Renault engines and it may be suitable for other engines that require 5w 30 oil.you need to check your owners manual and if in doubt don't buy it **Q: Can this oil be used in mercedes clc220 auto diesel** A: It maybe suitable,thats what it says on the container,i would not use unless you are sure.its an oil designed for renault **Q: Can i use this for my toyota yaris 2006 plate and 1.3l engine** A: If car producer is recommend 5w-30 yes even on back of bottle is written for Renault . **Q: Compatible with a dacia sandero iii 1.0 tce 90 petrol? handbook unclear.** A: Hi There, FYI That RN17 Castrol 5W-30 is the correct oil for the Dacia Mk3 Sandero engines, I have done a lot of research as I am buying one and will be doing all the servicing and repairs, the oil must be the new RN17 not the previous RN classifications. Great engines. Enjoy ## Frequently Bought Together - Castrol GTX 5W-30 RN17 Engine Oil 5L - Bosch P7231 - Oil Filter Car --- ## 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.jp/products/549107208-castrol-gtx-5w-30-rn17-full-synthetic-engine-oil-5l](https://www.desertcart.jp/products/549107208-castrol-gtx-5w-30-rn17-full-synthetic-engine-oil-5l) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-09*