Description
Sierra’s 18-7914 Oil Filter is engineered to deliver dependable oil filtration and engine protection for a wide range of Mercury/Mariner outboard engines, including 25 HP carbureted (2006 & prior), 30 HP 3-cylinder (2005 & prior), 40–60 HP (1998 & newer), and 75–115 HP models. It features an anti-drain-back valve to help maintain oil pressure at startup, reducing dry starts and supporting improved engine longevity. Built with a heavy-wall steel canister and epoxy coating, it provides enhanced corrosion resistance for reliable performance in harsh marine environments. The high-efficiency filter media meets or exceeds OEM filtration standards, ensuring consistent protection and long service life.
Features
- Anti-drain-back valve helps maintain oil pressure and reduce startup wear
- Heavy-wall steel canister with epoxy coating for corrosion resistance
- High-efficiency filter media meets or exceeds OEM filtration standards
- Designed for Mercury/Mariner 25–115 HP outboard engine applications
- 20mm x 1.5 thread specification for secure and proper fitment
- 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
- Backed by Sierra’s industry leading warranty
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