Accurate formulations and safe usage are the key features of the Diesel Engine Oil Additive. As Supplier of Diesel Engine Oil Additive, the company offers a cost-effective range on a timely basis. The Diesel Engine Oil Additive is a medium duty diesel additive designed to meet specific market profiles at competitive treat rates. It claims APICF to APICF4 specification of SAE15w 40 Suitable for MCV/LCV