{"product_id":"ford-motorcraft-xo-15w-40-diesel-engine-oil-wss-m2c171-f1-spec-power-stroke-protection","title":"Ford Motorcraft XO 15W-40 Diesel Engine Oil — WSS-M2C171-F1 Spec, Power Stroke Protection","description":"\u003cp\u003e\u003cstrong\u003eFord MOTORCRAFT XO 15W-40 SAE is a genuine Ford motor oil formulated for diesel engines, especially Power Stroke models, meeting Ford’s WSS-M2C171-F1 specification.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Motorcraft XO 15W-40 oil is a factory-recommended lubricant designed to provide viscosity stability and protection for diesel engines operating under a range of temperatures and loads. It’s intended for use where Ford specifies a 15W-40 viscosity and the WSS-M2C171-F1 standard — commonly found in Power Stroke diesel engines that comply with 2017 on-highway emissions requirements and earlier models calling for this grade. Choosing a Ford OEM oil helps maintain compatibility with engine design and emission control systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Motorcraft XO 15W-40 protect diesel engines during heavy use?\u003c\/h3\u003e\n\u003cp\u003eThis formula balances film strength and thermal stability to support engine components under high pressure and temperature. It resists breakdown to help maintain oil pressure, reduce wear, and support long-term engine cleanliness when used per service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eViscosity 15W-40 for consistent lubrication in varied temperatures\u003c\/li\u003e\n  \u003cli\u003eEngine wear protection for pistons, bearings, and camshafts\u003c\/li\u003e\n  \u003cli\u003eFormulated to meet Ford WSS-M2C171-F1 specification\u003c\/li\u003e\n  \u003cli\u003eSuitable for both light- and heavy-duty diesel service applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil work in my Power Stroke diesel-equipped Ford?\u003c\/h3\u003e\n\u003cp\u003eYes, Motorcraft XO 15W-40 is recommended for Ford vehicles with Power Stroke diesel engines when the manufacturer calls for a 15W-40 oil meeting WSS-M2C171-F1. Always confirm compatibility by checking your vehicle’s owner manual or door placard.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets Ford WSS-M2C171-F1 — required for many Power Stroke models\u003c\/li\u003e\n  \u003cli\u003eAppropriate for engines using ultra-low sulfur diesel (ULSD)\u003c\/li\u003e\n  \u003cli\u003eWorks in older diesel engines that specify 15W-40 viscosity\u003c\/li\u003e\n  \u003cli\u003eVerify fit-by-model and service interval guidelines before use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change Motorcraft XO 15W-40 in my diesel?\u003c\/h3\u003e\n\u003cp\u003eOil change intervals depend on engine model, operating conditions, and driving habits. For heavy-duty or severe use, follow Ford’s specific service interval recommendations; for typical driving, adhere to the intervals listed in your owner’s manual.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow Ford’s recommended service intervals for your vehicle\u003c\/li\u003e\n  \u003cli\u003eShorten intervals under towing, extreme temperatures, or frequent idling\u003c\/li\u003e\n  \u003cli\u003eInspect oil condition regularly and monitor oil pressure\/gauge readings\u003c\/li\u003e\n  \u003cli\u003eUse OEM filters and components to maintain system integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical benefits of choosing a genuine Motorcraft oil?\u003c\/h3\u003e\n\u003cp\u003eUsing genuine Motorcraft oil supports parts and fluid compatibility, which can simplify maintenance and help preserve the design intent of Ford engines. OEM oils are formulated to meet the automaker’s specifications for emissions compliance and component longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer-approved formulation for Ford engines\u003c\/li\u003e\n  \u003cli\u003eConsistent quality and traceability compared with generic alternatives\u003c\/li\u003e\n  \u003cli\u003eHelps maintain factory performance and emission-control compatibility\u003c\/li\u003e\n  \u003cli\u003eReadily available through Ford parts channels and authorized retailers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Ford MOTORCRAFT XO 15W-40 SAE is ideal for owners and technicians of Ford diesel vehicles—especially Power Stroke-equipped trucks—who want an OEM-specified 15W-40 engine oil. It suits drivers who need a robust lubricant for mixed light- and heavy-duty use, fleet operators seeking specification compliance, and anyone who prefers to maintain engine components with Ford-approved fluids. Before switching oils, confirm your vehicle’s required specification and follow recommended service intervals to ensure optimal performance.\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 Motorcraft XO 15W-40 suitable for modern Power Stroke engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes if the engine manual specifies 15W-40 and WSS-M2C171-F1; check your vehicle’s requirements first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I mix this oil with other brands or viscosities?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mixing is not recommended. Use the specified viscosity and service rating for best performance and warranty compliance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ford","offers":[{"title":"Default Title","offer_id":48082945441950,"sku":"B07CLD4HCK","price":55.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ford-motorcraft-xo-15w40-front-bottle.jpg?v=1785819900","url":"https:\/\/northtrailauto.ca\/products\/ford-motorcraft-xo-15w-40-diesel-engine-oil-wss-m2c171-f1-spec-power-stroke-protection","provider":"North Trail Auto","version":"1.0","type":"link"}