Oil Filter

Vehicles under warranty should follow the vehicle manufacturer’s recommended change intervals. For non-warranty applications, the useful life of Royal Purple premium oil filters is the life of the engine oil. Vehicles driven in severe conditions should follow the change intervals recommended in their owner’s manual; severe conditions are defined as racing or commercial applications, frequent …

What is the recommended change interval? Read More »

Royal Purple premium filters use 100% synthetic micro-glass media for superior particle removal with 99% filtration efficiency at 25 microns and larger, and 80% of particles 10 microns and larger.

Royal Purple filters meet or exceed original equipment manufacturers’ requirements. All new car warranties remain in effect when using Royal Purple Filters.

Yes. All Royal Purple premium oil filters are compatible with both types of motor oils.