The Sierra 18-7721 Fuel Filter is designed to remove water and particulate contamination from the fuel supply before it reaches the engine in Mercruiser applications. It replaces Mercruiser 864572.
Micron Rating: 180
Fits: MPI & EFI engines with inline 861155 boost pump, 5.0, 5.7, 6.2, 8.1L & 496 with 3/8" ID fuel lines
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-7721?
Sierra 18-7721 is an aftermarket fuel filter for Mercruiser applications.
Which part numbers cross-reference Sierra 18-7721?
This listing cross-references Mallory 9-37826, Mercruiser 35-864572, Mercruiser 35-864572T and Mercruiser 35-864572T01. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-7721 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
