{"product_id":"castrol-edge-high-mileage-5w-20-full-synthetic-motor-oil-5-quart-engine-protection-seal-conditioning","title":"Castrol EDGE High Mileage 5W-20 Full Synthetic Motor Oil, 5 Quart — Engine Protection \u0026 Seal Conditioning","description":"\u003cstrong\u003eCastrol EDGE High Mileage 5W-20 is a full synthetic motor oil formulated to protect and revive engines with over 75,000 miles while reducing emissions system wear.\u003c\/strong\u003e\n\n\u003cp\u003eBuilt for higher-mileage cars, trucks, and SUVs, this advanced 5W-20 formulation combines full synthetic base stocks with Castrol's engineered additives to address common wear points in older engines. It targets corrosion, sludge, friction wear, and oil consumption while using Phosphorus Replacement Technology to limit harmful phosphorus levels that can harm catalytic converters. The result is smoother operation, improved protection for seals and gaskets, and extended service intervals when used according to manufacturer guidance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect worn engines?\u003c\/h3\u003e\n\u003cp\u003eThis formula emphasizes protection where older motors need it most: sealing leaks, controlling deposits, and minimizing friction-related wear. A proprietary additive package forms a durable film under pressure to reduce metal-to-metal contact and helps preserve timing components and bearings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFilm-strengthening additives reduce friction and wear\u003c\/li\u003e\n  \u003cli\u003eDetergents and dispersants limit sludge and deposits\u003c\/li\u003e\n  \u003cli\u003eSeal conditioners help reduce leaks and oil consumption\u003c\/li\u003e\n  \u003cli\u003eCorrosion inhibitors protect internal passages and components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it help my vehicle’s emission system?\u003c\/h3\u003e\n\u003cp\u003eYes. The oil incorporates Phosphorus Replacement Technology to lower phosphorus content without sacrificing protection, which helps reduce stress on catalytic converters and emission-control components. That doesn't replace required emission repairs but helps keep the system running cleaner over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLower phosphorus preserves catalytic converter life\u003c\/li\u003e\n  \u003cli\u003eSpecial additives reduce ash and deposit formation\u003c\/li\u003e\n  \u003cli\u003eFormulation supports compliance with modern emission needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often can I change oil with Castrol EDGE High Mileage 5W-20?\u003c\/h3\u003e\n\u003cp\u003eUnder ideal conditions and following the vehicle manufacturer’s recommendations, Castrol states intervals up to 15,000 miles or one year, whichever comes first. Always follow your owner’s manual and monitor driving conditions—severe use, towing, or extreme temperatures may require shorter intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer-rated up to 15,000 miles between changes in suitable conditions\u003c\/li\u003e\n  \u003cli\u003eOne-year maximum recommended interval if time-based\u003c\/li\u003e\n  \u003cli\u003eShorten intervals for severe driving, towing, or stop-and-go traffic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich specifications and engines does it meet?\u003c\/h3\u003e\n\u003cp\u003eCastrol EDGE High Mileage 5W-20 meets several modern industry and OEM specifications to ensure broad compatibility with many gasoline engines. It satisfies API SP and earlier API categories as well as ILSAC GF-6 and specific Chrysler and Ford test requirements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAPI SP \/ SN PLUS \/ SN \/ SM and ILSAC GF-6 compliant\u003c\/li\u003e\n  \u003cli\u003eMeets Chrysler MS 6395 engine test requirements\u003c\/li\u003e\n  \u003cli\u003eCompatible with Ford WSS-M2C945-B1 and WSS-M2C960-A1 specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Castrol EDGE High Mileage 5W-20 is aimed at owners of gasoline-powered vehicles with approximately 75,000 miles or more who want a full synthetic oil to protect aging engines, reduce leaks and deposits, and help preserve emission-control equipment. It’s suitable for drivers seeking extended drain capability under recommended conditions and for technicians who need a high-spec oil that meets modern OEM and API standards. Always confirm viscosity and spec compatibility with your vehicle’s manual 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 EDGE High Mileage 5W-20 suitable for turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it meets modern API SP and OEM specs and can be used in many turbocharged gasoline engines when 5W-20 is recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this oil to extend oil change intervals to 15,000 miles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Castrol rates it for up to 15,000 miles in ideal conditions; follow your owner’s manual and shorten intervals for severe driving.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Castrol","offers":[{"title":"Default Title","offer_id":48086272540830,"sku":"B01CRYHNII","price":47.18,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/castrol-edge-high-mileage-front-label_196619b0-8387-40c2-b0f8-24d1b16a3891.jpg?v=1785893050","url":"https:\/\/northtrailauto.ca\/products\/castrol-edge-high-mileage-5w-20-full-synthetic-motor-oil-5-quart-engine-protection-seal-conditioning","provider":"North Trail Auto","version":"1.0","type":"link"}