Sierra 18-7962 Oil FilterSierra replacement oil filter for Volvo Penta Sterndrives.Features: Anti Drain back Valve; 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 OE's filtration; Backed by Sierra's Industry Leading Warranty; Manufactured to meet or exceed OEM specifications; Field tested and approved; Interchangeable with: Volvo Penta; 3840525;