Oil Filter. Thread Spec: 20mm x 1.5. 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. For: Mercury/Mariner 25hp (Carb, 2006 & Prior), 30hp (3cyl, 2005&Prior), all 40-60hp (1998&Newer). For: Mercury/Mariner all 75-115hp O/B's (1B366822 & Prior) and all 75-115hp (2B094996 & Up).
- 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 Limited Lifetime Warranty
