Oil Filter

August 17, 2018

What is the recommended change interval?

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 […]
August 17, 2018

How does the quality of Royal Purple Extended Life Oil Filters compare with other manufacturers’?

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 […]
August 17, 2018

Do Royal Purple Extended Life Oil Filters meet all original equipment requirements and vehicle warranty?

Royal Purple filters meet or exceed original equipment manufacturers’ requirements. All new car warranties remain in effect when using Royal Purple Filters.
August 17, 2018

Are Royal Purple Extended Life Oil Filters compatible with all conventional and synthetic oils?

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