{"product_id":"shell-rotella-t4-triple-protection-15w40-diesel-oil-946ml-case-of-6-550049481","title":"Shell Rotella T4 Triple Protection 15W40 Diesel Engine Oil, 946mL – Case of 6 | 550049481","description":"\u003ch2\u003eShell Rotella T4 Triple Protection 15W40 Diesel Engine Oil – 946mL | Case of 6 | Part #550049481\u003c\/h2\u003e\u003cp\u003eShell Rotella T4 Triple Protection is one of the most widely used heavy-duty diesel engine oils in North America, backed by millions of miles of real-world field testing. The 15W40 multi-grade formulation provides reliable cold-start protection and maintains viscosity at high operating temperatures — making it a year-round choice for both modern low-emission diesel engines and older hard-working powerplants. This listing is for the 946mL (1 US quart) bottle, sold in cases of 6.\u003c\/p\u003e\u003ch3\u003eTriple Protection Formula\u003c\/h3\u003e\u003cp\u003eThe T4 Triple Protection formula is engineered to defend against the three primary causes of diesel engine wear and failure:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear protection\u003c\/strong\u003e — advanced additive package guards cylinder walls, bearings, and valve train components under high load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeposit control\u003c\/strong\u003e — keeps pistons and combustion chambers clean, maintaining engine efficiency over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil breakdown resistance\u003c\/strong\u003e — resists oxidation and thermal degradation to maintain performance throughout the oil change interval\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE 15W40 multi-grade\u003c\/strong\u003e — suitable for year-round use in most climates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with modern low-emission engines\u003c\/strong\u003e — formulated for engines with EGR, and suitable for use with diesel particulate filters (DPF) in many applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for older diesel engines\u003c\/strong\u003e — backward-compatible with legacy diesel powerplants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProprietary Shell formula\u003c\/strong\u003e — developed and validated through extensive field testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGrade: SAE 15W40\u003c\/li\u003e\n\u003cli\u003eApplication: Heavy-duty diesel engines (on-highway, marine auxiliary, stationary)\u003c\/li\u003e\n\u003cli\u003eSize: 946mL (1 US quart) per bottle\u003c\/li\u003e\n\u003cli\u003eCase quantity: 6 bottles per case\u003c\/li\u003e\n\u003cli\u003ePart number: 550049481\u003c\/li\u003e\n\u003cli\u003eSold as: Case of 6 only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e The 946mL quart case is the right format for service shops and operators who want to keep individual top-up quantities on hand without committing to larger jugs — useful for topping off between oil changes, servicing multiple pieces of equipment with different fill volumes, or stocking a service truck. For larger single-fill volumes, the T4 Triple Protection is also available in \u003ca href=\"\/products\/11120080519204\"\u003e5L (3\/case) – 550045135\u003c\/a\u003e, \u003ca href=\"\/products\/11120080453668\"\u003e9.5L (2\/case) – 550045125\u003c\/a\u003e, \u003ca href=\"\/products\/11120080486436\"\u003e18.9L (2\/case) – 550045128\u003c\/a\u003e, and \u003ca href=\"\/products\/11120080551972\"\u003e208L drum – 550045148\u003c\/a\u003e for high-volume operations. If your application calls for a full synthetic diesel oil, the Shell Rotella T6 full synthetic is the next step up in the Rotella line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Sold in cases of 6 × 946mL bottles. Always confirm your engine manufacturer’s oil specification — viscosity grade, API service category, and any OEM approvals — before ordering.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199661441060,"sku":"852-550049481","price":8.69,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/852-550045124_9960dc61-6946-463f-99c3-f0958680eb54.jpg?v=1785611270","url":"https:\/\/marisolmarine.com\/products\/shell-rotella-t4-triple-protection-15w40-diesel-oil-946ml-case-of-6-550049481","provider":"Marisol Marine Company","version":"1.0","type":"link"}