{"product_id":"castrol-gtx-full-synthetic-5w-30-motor-oil-5-quart-advanced-wear-protection-sludge-control","title":"Castrol GTX Full Synthetic 5W-30 Motor Oil, 5-Quart — Advanced wear protection \u0026 sludge control","description":"\u003cstrong\u003eCastrol GTX Full Synthetic 5W-30 is a full-synthetic engine oil engineered to protect modern gasoline engines from wear, sludge and viscosity breakdown under demanding driving conditions.\u003c\/strong\u003e\n\n\u003cp\u003eThis 5-quart jug of Castrol GTX Full Synthetic 5W-30 combines advanced additive chemistry and a synthetic base to defend critical engine parts, slow sludge buildup, and maintain film strength across a wide temperature range. It meets current industry specifications (API SQ\/SP\/SN PLUS\/SN and ILSAC GF-7) and is approved by major OEMs, making it suitable for many late-model cars and light trucks that call for 5W-30 viscosity.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil reduce engine wear?\u003c\/h3\u003e\n\u003cp\u003eCastrol GTX Full Synthetic includes targeted anti-wear additives and a durable oil film that help minimize friction on bearings, cam lobes and piston rings. In controlled tests it delivers notably improved protection versus the baseline industry requirements for wear resistance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6x better wear protection on critical parts compared to industry test limits (Sequence IVA).\u003c\/li\u003e\n  \u003cli\u003eEnhanced film strength to resist metal-to-metal contact under load.\u003c\/li\u003e\n  \u003cli\u003eFormulated for sustained protection between recommended oil change intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it keep my engine cleaner and prevent sludge?\u003c\/h3\u003e\n\u003cp\u003eThis formulation is designed to disperse and remove deposits formed during high-temperature operation, and it inhibits new sludge from forming. Laboratory Sequence VH testing shows improved sludge control over API SP limits when evaluated in engines with high sludge levels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1.3x better sludge protection versus industry sludge test benchmarks.\u003c\/li\u003e\n  \u003cli\u003eDetergent and dispersant additives target existing deposits and resist reformation.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain oil flow and performance as contaminants accumulate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow stable is the oil’s viscosity over time and temperature?\u003c\/h3\u003e\n\u003cp\u003eCastrol GTX Full Synthetic resists viscosity breakdown so it keeps protective thickness across hot and cold conditions. Independent bench testing shows it retains viscosity and shear stability better than leading full-synthetic alternatives in its grade.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated 3x stronger against viscosity breakdown compared with a referenced leading full synthetic.\u003c\/li\u003e\n  \u003cli\u003e5W-30 cold-start friendliness with hot-operating stability for sustained protection.\u003c\/li\u003e\n  \u003cli\u003eSupports up to 10,000 miles between oil changes when following manufacturer guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this oil compatible with my vehicle and service schedule?\u003c\/h3\u003e\n\u003cp\u003eCastrol GTX Full Synthetic 5W-30 meets or exceeds several OEM and industry standards, so it’s broadly compatible with many gasoline engines that list 5W-30. Always check your owner’s manual for the specified viscosity and required approvals before switching oils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets API SQ\/SP\/SN PLUS\/SN and ILSAC GF-7 specifications.\u003c\/li\u003e\n  \u003cli\u003eApproved for GM dexos1 Gen 3 and meets Ford WSS-M2C947-B1 \u0026amp; WSS-M2C962-A1 requirements.\u003c\/li\u003e\n  \u003cli\u003eSuitable for vehicles calling for synthetic 5W-30 and modern performance standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers who want a modern, full‑synthetic 5W-30 oil that emphasizes wear protection, sludge control and viscosity stability. It’s a strong choice for owners of late-model gasoline cars and light trucks that specify 5W-30 and for anyone seeking extended protection between services while maintaining manufacturer-approved performance specs.\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-30 in older cars?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes if the owner's manual allows 5W-30 or API SP-level oils; confirm OEM approvals for best fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often can I change oil with this product?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports up to 10,000 miles between changes per product claims, but follow your vehicle manufacturer’s schedule.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Castrol","offers":[{"title":"Default Title","offer_id":52904478802232,"sku":"B09M982T3B","price":100.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6799\/6984\/files\/castrol-gtx-5w30-front-label.jpg?v=1788458099","url":"https:\/\/kelorix.ca\/products\/castrol-gtx-full-synthetic-5w-30-motor-oil-5-quart-advanced-wear-protection-sludge-control","provider":"Kelorix Canada | Shop Home, Electronics, Beauty, Toys \u0026 More","version":"1.0","type":"link"}