Oil is a vital component for engines of all types. Not only is it responsible for providing lubrication to numerous moving interior parts, but it also helps prevent friction and the development of ...

AMSOIL has introduced a new Premium API CJ-4 Synthetic 15W-40 diesel oil. The new oil is an upgrade to the company's most popular 15W-40 viscosity, now re-formulated for the 2007 CJ-4 specifications ...

We may receive a commission on purchases made from links. Engine oil serves a number of purposes in one's vehicle. It forms a layer of protection on the metal parts of the engine as it warms up while ...

SAN RAMON, Calif.--(BUSINESS WIRE)-- Today Chevron Products Company, a division of Chevron U.S.A. Inc., introduced Delo® 400 XSP SAE 15W-40 with ISOSYN® Advanced Technology™, a new full synthetic, ...

This premium diesel engine oil features Anti-Friction Metal Treatment (AFMT), which bonds to metal surfaces and creates a protective layer that reduces friction, provides optimal wear protection and ...

Amsoil has a complete line of diesel engine synthetic oils. The line features the Signature Series Max-Duty Synthetic in 5W-40, 5W-30, 10W-30, 15W-40, and 0W-40 grades. The line also includes ...

More than 134 million miles down the road, Cenex's Superlube TMS 15W-40 diesel oil has proven a clean, healthy lubricant for heavy-duty engines. Following multi-year, over-the-road tests in which 70 ...