{"product_id":"shell-550045125-rotella-t4-triple-protection-heavy-duty-diesel-engine-oil-9-5l-2-case-852-550045125","title":"Shell Rotella T4 Triple Protection 15W-40 Diesel Engine Oil, 9.5L – Case of 2","description":"\u003ch2\u003eShell Rotella T4 Triple Protection 15W-40 Diesel Engine Oil\u003c\/h2\u003e\u003cp\u003eKeep your diesel engine running strong with Shell Rotella T4 Triple Protection — a time-tested, heavy-duty engine oil engineered for the demands of modern low-emission diesel engines as well as older, hard-working powerplants. Whether you're running a commercial vessel, a generator, or a diesel-powered work truck, T4 delivers reliable protection where it counts.\u003c\/p\u003e\u003cp\u003eThis listing is for a \u003cstrong\u003ecase of 2 × 9.5L jugs (19L total)\u003c\/strong\u003e, ideal for high-usage applications or topping up multiple engines.\u003c\/p\u003e\u003ch3\u003eWhy T4 Triple Protection?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear protection\u003c\/strong\u003e — Advanced additive technology forms a protective layer on engine surfaces, reducing metal-to-metal contact during cold starts and high-load operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeposit control\u003c\/strong\u003e — Keeps pistons and combustion chambers cleaner for longer, maintaining engine efficiency over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil degradation resistance\u003c\/strong\u003e — Resists breakdown under extreme heat and pressure, extending oil life between changes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBest Use Case\u003c\/h3\u003e\u003cp\u003eT4 15W-40 is the go-to choice for \u003cstrong\u003ediesel engines operating in moderate to warm climates\u003c\/strong\u003e — including marine auxiliary engines, diesel generators, agricultural equipment, and on-highway trucks. It meets API CK-4 \/ SN standards and is backward compatible with older API service categories, making it a versatile option across a mixed fleet.\u003c\/p\u003e\u003cp\u003eFor full synthetic performance in extreme cold or high-stress applications, consider the \u003ca href=\"\/products\/shell-rotella-t6-full-synthetic-heavy-duty-diesel-engine-oil-5w-40-5l\"\u003eShell Rotella T6 Full Synthetic 5W-40\u003c\/a\u003e or the \u003ca href=\"\/products\/shell-rotella-t6-full-synthetic-5w40-heavy-duty-diesel-engine-oil-18-9l-550046217\"\u003eShell Rotella T6 Full Synthetic 18.9L\u003c\/a\u003e. For single-grade applications, see the \u003ca href=\"\/products\/shell-rotella-t1-single-grade-40w-diesel-engine-oil-5l-550054467\"\u003eShell Rotella T1 40W\u003c\/a\u003e or \u003ca href=\"\/products\/shell-rotella-t1-single-grade-30w-diesel-engine-oil-5l-550054460\"\u003eShell Rotella T1 30W\u003c\/a\u003e. Need a larger volume? The \u003ca href=\"\/products\/shell-rotella-t4-triple-protection-15w-40-heavy-duty-diesel-engine-oil-208-2l-drum\"\u003eT4 Triple Protection 208.2L Drum\u003c\/a\u003e is available for bulk use.\u003c\/p\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eT4 15W-40 is one of the most widely stocked and frequently reordered diesel oils in the marine and commercial segments. It's a strong fit for customers maintaining older diesel inboards, diesel generators aboard larger vessels, or mixed-use equipment fleets. The 9.5L case-of-2 format is popular with customers who perform their own oil changes and want to keep a supply on hand. If a customer is unsure between T4 and T6, T4 is the right call for standard operating conditions and budget-conscious maintenance — T6 is the upgrade path for extended drain intervals or extreme environments.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199661146148,"sku":"852-550045125","price":83.59,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/852-550045125.jpg?v=1785611266","url":"https:\/\/marisolmarine.com\/products\/shell-550045125-rotella-t4-triple-protection-heavy-duty-diesel-engine-oil-9-5l-2-case-852-550045125","provider":"Marisol Marine Company","version":"1.0","type":"link"}