Prime 1 HD Diesel Engine Oils
Our 15W-40 & 10W-30 carry the newest CK-4 diesel engine oil specifications. The Full Synthetic 5w40 CK-4 is called Prime1 and is manufactured by Martin Lubricants in Smackover, AR. It is a top shelf full synthetic oil at one of the lowest prices you will ever see. This is probably the best value product that we offer. Compare the spec sheets below to the diesel engine oils you currently use and call us today to save some money!