{"product_id":"castrol-edge-high-mileage-5w-20-full-synthetic-motor-oil-5-qt-advanced-wear-protection-deposit-control","title":"Castrol EDGE High Mileage 5W-20 Full Synthetic Motor Oil, 5 qt — Advanced wear protection \u0026 deposit control","description":"\u003cp\u003e\u003cstrong\u003eCastrol EDGE High Mileage 5W-20 is a full synthetic motor oil formulated to protect and refresh engines with 75,000+ miles while helping reduce emissions-system wear.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for aging engines, this advanced synthetic oil combines modern base oils and a targeted additive package to address common high-mileage issues such as leaks, oil consumption, and deposit formation. It also uses a lower-phosphorus approach to be gentler on catalytic converters while still meeting current industry performance standards. The result is a product intended to extend engine life and maintain performance in vehicles that have accumulated significant mileage.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil help older engines perform better?\u003c\/h3\u003e\n\u003cp\u003eThe formulation focuses on reducing friction and controlling sludge and varnish that build up over many miles. By lowering internal friction and keeping critical parts cleaner, the oil helps preserve engine responsiveness and efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced synthetic base stocks reduce wear between moving parts\u003c\/li\u003e\n  \u003cli\u003eDeposit-fighting additives help keep rings and valve train cleaner\u003c\/li\u003e\n  \u003cli\u003eFriction-reduction chemistry supports smoother engine operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it protect my vehicle’s emission control components?\u003c\/h3\u003e\n\u003cp\u003eThis oil uses a phosphorus-replacement strategy designed to reduce the burden on emission-control hardware. That means it helps limit the phosphorus and other elements that can harm catalytic converters while still providing necessary anti-wear performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePhosphorus Replacement Technology cuts harmful phosphorus inputs\u003c\/li\u003e\n  \u003cli\u003eFormulation aims to reduce long-term catalyst and sensor stress\u003c\/li\u003e\n  \u003cli\u003eMaintains compliance with modern emission-related specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often can I change the oil when using this product?\u003c\/h3\u003e\n\u003cp\u003eCastrol specifies an extended drain capability under appropriate conditions, allowing longer intervals between oil changes for many users. Always follow your vehicle manufacturer's guidance and local driving conditions when deciding oil change frequency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUp to 15,000 miles between oil changes under recommended conditions*\u003c\/li\u003e\n  \u003cli\u003eOr one year, whichever comes first\u003c\/li\u003e\n  \u003cli\u003eCheck owner’s manual and service habits before extending drain intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat certifications and vehicle requirements does it meet?\u003c\/h3\u003e\n\u003cp\u003eThis 5W-20 oil conforms to current industry and manufacturer test requirements, making it suitable for a wide range of gasoline engines that call for this viscosity. It meets multiple API, ILSAC, and manufacturer specifications to ensure broad compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets API SP, SN PLUS, SN, SM and ILSAC GF-6 performance levels\u003c\/li\u003e\n  \u003cli\u003eMeets engine test requirements for Chrysler MS 6395\u003c\/li\u003e\n  \u003cli\u003eSuitable where Ford WSS-M2C945-B1 or WSS-M2C960-A1 are specified\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 cars and light trucks with 75,000 miles or more who want a synthetic oil that addresses high-mileage concerns—leaks, oil consumption, deposits, and emissions-system longevity. It's appropriate for drivers seeking an oil that meets modern performance standards while offering extended drain potential under correct service conditions. If your manufacturer's recommended viscosity is 5W-20 and you want an advanced synthetic specifically tuned for older engines, this product is a strong candidate.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Always confirm compatibility with your vehicle’s owner manual before changing oil types or drain intervals. Product claims and service intervals can vary by driving habits, climate, and vehicle condition.\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 my 100,000-mile car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, if your owner’s manual specifies 5W-20 viscosity. It's formulated for engines with 75,000+ miles to address leaks and deposits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I extend oil-change intervals to 15,000 miles with this oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under recommended conditions you may, but always follow your vehicle’s service manual and consider driving habits and climate.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Castrol","offers":[{"title":"Default Title","offer_id":67587117482169,"sku":"B01CRYHNII","price":106.72,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/castrol-edge-high-mileage-front-jug.jpg?v=1790499970","url":"https:\/\/redleafauto.ca\/products\/castrol-edge-high-mileage-5w-20-full-synthetic-motor-oil-5-qt-advanced-wear-protection-deposit-control","provider":"Redleaf Auto","version":"1.0","type":"link"}