Red Line (21405) 15W40 Synthetic Diesel Motor Oil - 1 Gallon (4 Pack)

• Recommended for API CK-4/CJ-4/CI-4 Plus/CF/CH-4/CF-4.
• Popular for Light Duty trucks including Chevrolet Duramax, Dodge Cummins and Ford Power Stroke.
• Best choice in medium and heavy-duty diesel truck engines for maximum durability.
• Improved drain intervals provide excellent value for commercial fleet use.
• Also for API SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4 E7/E9, MB 228.1/228.31.

Product Description ------------------- Red Line's 15W40 Diesel Motor Oil is highly resistant to thermal breakdown and provides double the detergent and -neutralizing ability of conventional petroleum diesel engine oils for maximum engine cleanliness. It is Ideal for diesels that run high oil temperature, such as those operated in hot weather or those in light truck applications where heavy loads are carried or towed. It is also the best choice in medium and heavy-duty diesel truck engines when maximum durability is required, and when used at extended drain intervals, it is an excellent value for long-haul, fleet use. Red Line's synthetic motor oils are designed to provide the highest protection, cleanliness and superior drain intervals with the lowest friction for your oline, diesel, motorcycle or marine engine. We use the most stable components available and formulate our products for wear protection and friction reduction across a wide range of engine operating conditions. Red Line's products are unique because they contain polyol ester base stocks, the only lubricants which can withstand the tremendous heat of modern jet engines. These synthetics have a natural multigrade property which allows our chemists to avoid bulking up an oil with unnecessary additive packages. .com ---- Motor oil is made from crude oil and is used to lubricate, clean, and cool engines. Types of motor oil include conventional, synthetic, diesel, bio-based, hybrid (blends of conventional and synthetic), and recycled oils. Motor oil varies in weight and viscosity, as well as additives that some manufacturers add to the oil during the refining process. A numerical code system created by the Society of Automotive Engineers (SAE) grades motor oils according to viscosity--the higher the number between 0 and 60, the more viscous (thicker) the oil is. Most consumer motor oils are graded by two numbers, with the first number indicating cold weather (Winter or "W") performance. SAE 15W-40 ---------- This oil has a weight of SAE 15W-40, meaning it has an SAE viscosity rating of 15 in cold temperatures and a rating of 40 at normal operating temperature. Always check your vehicle's owner's manual to verify that this is the correct weight of motor oil for your vehicle. Conventional Motor Oil ---------------------- This oil is a conventional motor oil, meaning it is refined from crude oil or petroleum products. Conventional motor oils may or may not have additives included after refining. Conventional motor oils are more versatile than synthetic or hybrid motor oils, because they are suitable for use with nearly all types of modern vehicle engines, from cars and trucks to motorcycles, ATVs, farm equipment, and more.