Royal Purple Diesel Motor Oil 15W40 1 Quart

Royal Purple’s Multi-Grade Motor Oil has been designed combining premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance. Royal Purple’s API-licensed motor oil delivers superior protection and will improve performance in both gasoline and diesel engines. Additionally this API-licensed oil meets the warranty provisions of most passenger cars and light trucks sold in the USA. 

Other features include:

•    Better Wear Protection: Enhanced additive technology prevents metal-to-metal contact.
•    Increased Fuel Economy: A low coefficient of friction results in optimized fuel efficiency.
•    Better Protection of the Expensive Catalytic Ethanol: Patented ZDDP additives optimize emissions catalyst system life
•    Improved Compatibility With Fuels Containing Ethanol: Patented additive technology prevents the white sludge and lubrication starvation that can occur with 20% or higher ethanol fuel.
•    Superior Corrosion Protection: No rust observed in standard industry testing.

This particular Royal Purple Oil is available in the 15W40 viscosity.