Sierra 18-7946 Marine Fuel/Water Separator Filter

Sierra 18-7946 is a marine fuel/water separator filter for compatible outboard and inboard fuel systems. Parts listings identify it as a 10-micron separator filter and provide dimensions around 112 mm height and 4 in. outside diameter. Use it only where the existing filter head and engine/fuel-system documentation call for Sierra 18-7946 or a listed equivalent.

Sierra 18-7946 Marine Fuel/Water Separator Filter is listed in the Laken Water Sports marine parts catalog for online ordering and Phoenix-area pickup. Confirm fitment, availability, and pickup timing with the parts team before ordering when compatibility is critical.

Fitment notes: Fuel/water separator; confirm filter-head thread, height clearance, and engine application.