{"product_id":"castrol-gtx-high-mileage-5w-30-synthetic-blend-motor-oil-5-quart-seal-conditioners-anti-sludge-protection","title":"Castrol GTX High Mileage 5W-30 Synthetic-Blend Motor Oil — 5 Quart, seal conditioners \u0026 anti-sludge protection","description":"\u003cp\u003e\u003cstrong\u003eCastrol GTX High Mileage 5W-30 is a synthetic-blend motor oil formulated to protect and extend the life of engines with more than 75,000 miles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle has significant mileage, the right engine oil can slow wear, reduce leaks, and help keep emission systems working longer. This Castrol GTX High Mileage 5W-30 blend combines modern dispersants, seal conditioners and a phosphorus-replacement approach to deliver protection across key engine areas while meeting current industry specifications.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil help older engines stay reliable?\u003c\/h3\u003e\n\u003cp\u003eHigh-mileage engines face more wear, hardened deposits and minor seal leakage. Castrol GTX High Mileage 5W-30 includes additives that cushion metal surfaces, fight sludge and help condition seals to reduce seepage—helping the engine run cleaner and more consistently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuperior dispersancy to combat sludge and deposits\u003c\/li\u003e\n  \u003cli\u003eSeal conditioners formulated to reduce minor leaks\u003c\/li\u003e\n  \u003cli\u003eAdditives to limit timing chain and friction wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil protect my vehicle’s emission system and catalytic converter?\u003c\/h3\u003e\n\u003cp\u003eThis formula uses Phosphorus Replacement Technology to reduce harmful phosphorus levels that can shorten catalytic converter life. It also contains a proprietary additive package designed to minimize emissions system wear without compromising engine protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLower phosphorus content to help protect catalytic converters\u003c\/li\u003e\n  \u003cli\u003eSpecific additives aimed at emission-system longevity\u003c\/li\u003e\n  \u003cli\u003eMeets common OEM and industry specifications for emissions performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Castrol 5W-30 perform in terms of oil consumption and fuel economy?\u003c\/h3\u003e\n\u003cp\u003eThe synthetic-blend formulation provides improved volatility and burn-off protection relative to many conventional oils, which can reduce oil consumption in older engines. In several viscosity grades Castrol also targets better fuel economy versus baseline specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExceptional burn-off protection to limit oil loss\u003c\/li\u003e\n  \u003cli\u003eFormulated to meet or exceed API SP\/SN PLUS and ILSAC GF-6 standards\u003c\/li\u003e\n  \u003cli\u003eDesigned for stable viscosity across operating temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specifications and vehicle compatibility should I check?\u003c\/h3\u003e\n\u003cp\u003eCastrol GTX High Mileage 5W-30 meets modern industry and OEM requirements, but you should always cross-check your owner’s manual. The product meets API SP\/SN PLUS\/SN\/SM and ILSAC GF-6, and is approved to certain Ford WSS specifications listed on the bottle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAPI SP\/SN PLUS\/SN\/SM and ILSAC GF-6 compliance\u003c\/li\u003e\n  \u003cli\u003eMeets Ford WSS-M2C946-B1 and WSS-M2C961-A1 where applicable\u003c\/li\u003e\n  \u003cli\u003eCheck your vehicle manual for manufacturer-recommended 5W-30 oils\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis 5-quart container is intended for DIY oil changes and professional shops servicing high-mileage cars, light trucks and SUVs that call for 5W-30. The bottle size covers a full drain-and-fill for many engines and provides spare capacity for future top-offs.\u003c\/p\u003e\n\n\u003cp\u003eWho is this for? Castrol GTX High Mileage 5W-30 is aimed at owners of vehicles with 75,000+ miles who want a targeted lubricant that balances protection, deposit control and emissions-system care. It suits owners seeking a synthetic-blend option that meets current API and OEM standards, drivers who want to limit oil consumption and technicians replacing oil in older engines where seal conditioning and sludge control matter. Always follow the vehicle manufacturer’s viscosity and specification guidance before use.\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: Is Castrol GTX High Mileage 5W-30 safe for engines over 75,000 miles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It's formulated for engines with 75,000+ miles with additives for sludge control and seal conditioning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this oil meet modern industry standards?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It meets API SP\/SN PLUS\/SN\/SM and ILSAC GF-6 and certain Ford WSS specifications—check your manual.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Castrol","offers":[{"title":"Default Title","offer_id":52905263431992,"sku":"B00GSQ8MSC","price":94.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6799\/6984\/files\/castrol-gtx-high-mileage-front-label.jpg?v=1788472376","url":"https:\/\/kelorix.ca\/products\/castrol-gtx-high-mileage-5w-30-synthetic-blend-motor-oil-5-quart-seal-conditioners-anti-sludge-protection","provider":"Kelorix Canada | Shop Home, Electronics, Beauty, Toys \u0026 More","version":"1.0","type":"link"}