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)