Sierra 18-7902 Oil Filter Engineered with premium grade materials that will excel in the extreme marine environment Epoxy coated for corrosion resistance Heavy-wall steel canister for further corrosion protection High-efficiency filter media that meets or exceeds the OEs filtration Backed by Sierras industry leading warranty Anti-Drain-Back Valve Thread Spec 20mm x 1.5 Interchangeable with Fram PH6017A Mallory 9-57809 Wix 51358 Yamaha Outboard 3FV-13440-00-00 3FV-13440-10-00 3FV-13440-20-00 3FV-