{"product_id":"castrol-edge-high-mileage-5w-30-full-synthetic-motor-oil-6-qt-ecopack-seal-conditioning-extended-drain-protection","title":"Castrol EDGE High Mileage 5W-30 Full Synthetic Motor Oil, 6 Qt EcoPack — Seal Conditioning \u0026 Extended-Drain Protection","description":"\u003cp\u003e\u003cstrong\u003eCastrol EDGE High Mileage 5W-30 is an advanced full-synthetic motor oil formulated to protect and restore performance in vehicles with over 75,000 miles while reducing leaks, deposits, and emissions system wear.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your car has high miles but you still demand responsive engine performance and reliable protection, this oil was engineered for that purpose. Castrol EDGE High Mileage 5W-30 uses a full-synthetic base with targeted additives—like Phosphorus Replacement Technology—to limit harmful phosphorus levels, help preserve catalytic converters, and minimize oil consumption and leak-related issues that commonly affect older engines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil help high-mileage engines perform better?\u003c\/h3\u003e\n\u003cp\u003eOlder engines often develop seal shrinkage, deposits and higher oil consumption; the formula in Castrol EDGE High Mileage addresses those problems. It strengthens film protection under pressure, helps reduce power-robbing sludge, and contains seal conditioners that can limit leaks and oil burnoff.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced full-synthetic base for consistent viscosity and protection.\u003c\/li\u003e\n  \u003cli\u003eSeal conditioners to reduce leaks and seepage.\u003c\/li\u003e\n  \u003cli\u003eAdditives that minimize deposits and sludge formation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil protect my vehicle’s emissions system and catalytic converter?\u003c\/h3\u003e\n\u003cp\u003eCastrol uses Phosphorus Replacement Technology to lower phosphorus levels without sacrificing anti-wear performance, helping to reduce the risk of catalytic converter damage linked to high phosphorus. The formulation is designed to meet modern emissions-related specifications while maintaining engine protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePhosphorus Replacement Technology to help protect emission components.\u003c\/li\u003e\n  \u003cli\u003eMeets ILSAC GF-6 and multiple OEM standards for emissions compatibility.\u003c\/li\u003e\n  \u003cli\u003eHelps preserve converter life while providing wear protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I go between oil changes with this product?\u003c\/h3\u003e\n\u003cp\u003eThis Castrol EDGE High Mileage oil is engineered for extended drain intervals under appropriate conditions, offering up to 15,000 miles or one year between changes when used as part of a proper maintenance schedule. Always follow your vehicle manufacturer’s recommendations and driving conditions—severe service may require more frequent changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFormulated for extended drains—up to 15,000 miles or one year*\u003c\/li\u003e\n  \u003cli\u003eBest results when paired with regular vehicle maintenance and monitoring.\u003c\/li\u003e\n  \u003cli\u003eFollow OEM guidance for interval adjustments under severe driving.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicle specifications and performance standards does this oil meet?\u003c\/h3\u003e\n\u003cp\u003eCastrol EDGE High Mileage 5W-30 meets or exceeds a broad set of industry and OEM specifications to ensure compatibility with many late-model and older engines. It covers API SP and earlier API service categories, ILSAC GF-6, and several manufacturer-specific requirements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAPI SP \/ SN PLUS \/ SN \/ SM approvals for broad engine compatibility.\u003c\/li\u003e\n  \u003cli\u003eILSAC GF-6 compliant for modern fuel economy and emissions needs.\u003c\/li\u003e\n  \u003cli\u003eMeets Chrysler MS 6395, Ford WSS-M2C946-B1, and Ford WSS-M2C961-A3 test requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Drivers with vehicles over approximately 75,000 miles who want to extend engine life, reduce leaks and oil burnoff, and protect emissions components will benefit from Castrol EDGE High Mileage 5W-30. It’s a practical choice for owners of gasoline engines seeking a full-synthetic solution that balances wear protection, deposit control, and emissions-system care. As always, confirm viscosity and specifications against your owner’s manual before use.\u003c\/p\u003e\n\n\u003cp\u003e\u003csmall\u003e*Or one year, whichever comes first. Follow vehicle manufacturer recommendations for maintenance intervals.\u003c\/small\u003e\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-30 suitable for engines over 75,000 miles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s formulated specifically to address high-mileage issues like leaks, deposit control, and emissions compatibility for engines over about 75,000 miles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this oil for extended oil change intervals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This oil is engineered for up to 15,000 miles or one year between changes under appropriate conditions; always follow your vehicle maker’s recommended intervals.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Castrol","offers":[{"title":"Default Title","offer_id":48083102564510,"sku":"B0FST2TCPG","price":61.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/castrol-edge-front-packaging.jpg?v=1785824999","url":"https:\/\/northtrailauto.ca\/products\/castrol-edge-high-mileage-5w-30-full-synthetic-motor-oil-6-qt-ecopack-seal-conditioning-extended-drain-protection","provider":"North Trail Auto","version":"1.0","type":"link"}