{"product_id":"castrol-gtx-full-synthetic-5w-20-motor-oil-5-quart-up-to-10-000-mile-protection-enhanced-wear-control","title":"Castrol GTX Full Synthetic 5W-20 Motor Oil 5-Quart — Up to 10,000-Mile Protection, Enhanced Wear Control","description":"\u003cp\u003e\u003cstrong\u003eCastrol GTX Full Synthetic 5W-20 is a full-synthetic engine oil formulated to reduce wear, break down sludge, and maintain viscosity for long protection up to 10,000 miles in compatible vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 5-quart container of Castrol GTX Full Synthetic 5W-20 is engineered for modern gasoline engines that require a 5W-20 viscosity and current industry approvals. It blends advanced additives and synthetic base stocks to offer stronger resistance to thermal and mechanical stress than conventional oils, while helping prevent deposit build-up that can rob performance over time. The formulation meets current API and ILSAC standards and is suitable for many Ford applications requiring WSS-M2C945-B1 or WSS-M2C960-A1.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect my engine during severe driving conditions?\u003c\/h3\u003e\n\u003cp\u003eCastrol GTX Full Synthetic is designed to guard critical engine parts from accelerated wear under heavy loads, stop-start city driving, and high-temperature operation. Its additive package forms a protective film that helps keep metal surfaces separated and reduces friction where it matters most.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6X better wear protection on critical engine parts versus the industry baseline.\u003c\/li\u003e\n  \u003cli\u003eResists viscosity breakdown up to 3X stronger than a leading full synthetic.\u003c\/li\u003e\n  \u003cli\u003eFormulated to maintain protective film under heat and shearing forces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil help keep my engine clean and free of sludge?\u003c\/h3\u003e\n\u003cp\u003eThe formula targets deposit and sludge control by dispersing contaminants and old deposits, helping them flow out during oil changes. It delivers improved sludge protection relative to industry standards, reducing the chances of sticky build-up that can impede oil flow and heat transfer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1.3X better sludge protection than the industry reference.\u003c\/li\u003e\n  \u003cli\u003eDesigned to clean away existing sludge in engines with high sludge levels when tested.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent new sludge formation between services.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect protection between oil changes?\u003c\/h3\u003e\n\u003cp\u003eWhen used as part of a proper maintenance schedule and compatible with manufacturer guidance, this oil supports extended drain intervals up to 10,000 miles. Actual change intervals depend on driving habits, vehicle condition, and manufacturer recommendations, so always follow your owner’s manual.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProtection marketed for up to 10,000 miles between oil changes in eligible applications.\u003c\/li\u003e\n  \u003cli\u003eMaintains viscosity stability to preserve lubrication over extended intervals.\u003c\/li\u003e\n  \u003cli\u003eCompatible with API SP\/SN PLUS\/SN and ILSAC GF-6 specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this product compatible with my vehicle’s specifications?\u003c\/h3\u003e\n\u003cp\u003eCastrol GTX Full Synthetic 5W-20 meets multiple modern approvals and is tailored for many gasoline engines specifying 5W-20. Check your vehicle owner’s manual to confirm the required viscosity and approvals before use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets or exceeds API SP\/SN PLUS\/SN and ILSAC GF-6.\u003c\/li\u003e\n  \u003cli\u003eApproved for Ford specifications WSS-M2C945-B1 and WSS-M2C960-A1.\u003c\/li\u003e\n  \u003cli\u003eSuitable for most vehicles calling for 5W-20 synthetic motor oil; always verify OEM requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers who want a contemporary full-synthetic 5W-20 oil that emphasizes wear protection, deposit control, and viscosity stability for extended service intervals. It’s a fit for owners of compatible gasoline-powered cars and light trucks that require API SP\/ILSAC GF-6 level performance or the listed Ford approvals, and for anyone seeking stronger protection than conventional oils offer.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Castrol GTX Full Synthetic 5W-20 in my Ford?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it meets Ford WSS-M2C945-B1 and WSS-M2C960-A1, but always verify your vehicle’s owner manual for the recommended oil spec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this oil allow extended oil change intervals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The product supports protection marketed up to 10,000 miles between changes; follow your vehicle manufacturer’s guidance for interval limits.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Castrol","offers":[{"title":"Default Title","offer_id":48086338240670,"sku":"B09M978975","price":49.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/castrol-gtx-full-synthetic-5w20-front-packaging.jpg?v=1785895500","url":"https:\/\/northtrailauto.ca\/products\/castrol-gtx-full-synthetic-5w-20-motor-oil-5-quart-up-to-10-000-mile-protection-enhanced-wear-control","provider":"North Trail Auto","version":"1.0","type":"link"}