{"product_id":"royal-purple-duralec-super-diesel-15w40-ck-4-motor-oil-5-gallon","title":"Royal Purple Duralec Super Diesel 15W40 CK-4 Motor Oil - 5 Gallon","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e05154\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 641330051548\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cstrong\u003eRoyal Purple Duralec Super Diesel 15W40 CK-4 Motor Oil 5 Gallon\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eRoyal Purple 05154\u003c\/strong\u003e Duralec Super Diesel 15W40 CK-4 Motor Oil is the best high performance synthetic diesel engine oil for 2007 and newer heavy duty applications requiring emissions compliant lubrication. Formulated with premium synthetic base stocks and Royal Purple proprietary additive technology, this oil maximizes component life, extends drain intervals, and improves fuel economy while providing excellent high temperature breakdown resistance and low temperature pumpability to minimize cold start wear. Ideal for over the road trucking, agriculture, construction, mining, and any diesel engine using ultra low sulfur fuel in North America or Europe.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEmissions Compliant: Meets API CK-4 requirements for 2007 and 2010 emissions equipment including DPF, catalytic converters, EGR, and SCR systems\u003c\/li\u003e\n\u003cli\u003eHigh Temperature Stability: Superior resistance to thermal breakdown for extended protection under heavy loads\u003c\/li\u003e\n\u003cli\u003eLow Temperature Pumpability: Excellent cold flow properties reduce startup wear in winter conditions\u003c\/li\u003e\n\u003cli\u003eExtended Drain Capability: Advanced formulation allows longer service intervals when used with oil analysis\u003c\/li\u003e\n\u003cli\u003e5 Gallon Pail: Convenient bulk size for fleet maintenance, shops, or frequent oil changes\u003c\/li\u003e\n\u003cli\u003eRoyal Purple Quality: Trusted synthetic performance for maximum engine protection and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e05154\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViscosity\u003c\/td\u003e\n\u003ctd\u003e15W40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAPI Rating\u003c\/td\u003e\n\u003ctd\u003eCK-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e5 Gallon Pail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Oil\u003c\/td\u003e\n\u003ctd\u003ePremium Synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eHeavy Duty Diesel Engines Requiring CK-4 15W40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited (Royal Purple)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 38 to 40 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e5 Gallon Pail of Duralec Super Diesel 15W40 CK-4 Motor Oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e5 gallon pail provides convenient bulk supply for multiple oil changes or fleet use\u003c\/li\u003e\n\u003cli\u003eSpecifically formulated for modern diesel engines with emissions aftertreatment systems\u003c\/li\u003e\n\u003cli\u003eExcellent choice for severe duty applications including towing, heavy hauling, and off road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEstimated time: Standard oil change procedure\u003c\/li\u003e\n\u003cli\u003eDrain old oil, replace filter, fill with Duralec Super Diesel 15W40, check level\u003c\/li\u003e\n\u003cli\u003eProfessional oil change recommended for proper disposal and system bleeding if applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeavy Duty Diesel Engines\u003c\/td\u003e\n\u003ctd\u003e2007 and Newer Models Requiring API CK-4 15W40 (Cummins, Power Stroke, Duramax, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon\u003c\/td\u003e\n\u003ctd\u003eOver The Road Trucking, Agriculture, Construction, Mining, Fleet Vehicles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Royal Purple Duralec Super Diesel 15W40?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAdvanced synthetic formulation provides superior protection and extended drain intervals\u003c\/li\u003e\n\u003cli\u003eExcellent high temperature stability and low temperature flow for all season performance\u003c\/li\u003e\n\u003cli\u003eLimited warranty trusted heavy duty diesel oil from Royal Purple\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is this oil suitable for my 2020 Ram 2500 Cummins? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, Royal Purple Duralec Super Diesel 15W40 meets API CK-4 specifications for modern diesel engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Can I extend oil change intervals? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the premium synthetic formulation often allows extended drains when used with oil analysis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is the 5 gallon pail easy to pour? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the pail includes a built-in handle and pour spout for clean dispensing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Covered by Royal Purple limited warranty built for heavy duty applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS \/ FedEx Ground (Hazardous Material Oil)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure protective packaging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 38 to 40 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":44488632336463,"sku":"RLP05154","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/royal-purple-05154-oil.jpg?v=1771436270","url":"https:\/\/www.blackopsautoworks.com\/products\/royal-purple-duralec-super-diesel-15w40-ck-4-motor-oil-5-gallon","provider":"Black Ops Auto Works","version":"1.0","type":"link"}