Super Diesel 10W-40 Super Diesel 10W-40 is specially designed semi synthetic lubricant suitable for a variety of diesel engines including turbocharged engines.This includes passenger diesel, SUV, 4WDs, and light duty commercial requiring an API CI-4 specification. Also suitable for LPG engines.This semi-synthetic lubricant provides maximum protection and performance for your engine. Blending engine oils since 1866, Valvoline have not just been making them longer than anyone else, they have been improving them longer than anyone else. This century and a half of creating and innovating oils and lubricants makes it's hard not to look past the quality, heritage and range of Valvoline oils. Bringing to market some of the highest quality lubricants, cleaners and engine oil, Valvoline is a name trusted by millions of car enthusiasts worldwide. Repco stock a large range of quality Valvoline Engine Oils includes Valvoline SynPower Full Synthetic, Valvoline Engine Armour and DuraBlend Semi-Synthetic as well as the ever popular Valvoline XLD Mineral Oils. Repco stock a full range of quality Valvoline products including not just engine oils but Valvoline grease and Valvoline Brake Fluids. Not sure what engine oil is right for your car? Changing your engine oil will also need you changing your oil filter to fully protect you engine and maximise the performance of your Valvoline oil. The Valvoline range can be found online or come in store and chat to one of our friendly staff about what Valvoline product works best for your vehicle or application.