Inline Fuel Filter – Fits Mercury & Mariner 25-90HP 4-Stroke Outboards (Replaces 35-877565T1, 35-877565T) 420HP and even a few seconds

and even a few seconds of dry operation can cause immediate damage to the neoprene blades

Ensure the engine is cool and clean before installation

Lightly grease the driveshaft

but require more care

Inline Fuel Filter – Fits Mercury & Mariner 25-90HP 4-Stroke Outboards (Replaces 35-877565T1, 35-877565T) 420HP and even a few secondsProduct Details This Sierra 18 7714 Inline Fuel Filter Fits Mercury & Mariner 25 90HP 4 Stroke Outboards is an essential component designed for Mercury and Mariner 4 stroke outboard engines (25 90 HP) manufactured from 1999 and newer. It ensures your engine receives clean fuel for optimal performance and longevity by filtering out harmful contaminants. It serves as a direct replacement for Mercury Marine parts 35 877565T1 and 35 877565T, Sierra 18