Sierra 18-7948 Fuel Filter 10 Micron Replaces 17670-ZW1-801AHSierra 10 Micron fuel filters are over 90% efficient at removing dirt and debris from your fuel system while not starving your engine for fuel. For use on Mercury Marine engines.For Spin on replacement. Features: Filter Only - Does not include metal bowl; Fits: 320RRAC01; Rating: 10 Micron; Thread Size: 1"; Interchangeable with: Honda Outboard; 17670-ZW1-801AH; EMP; 35-37810; Mallory; 9-37810; Mercury Marine; 35-886638; 35-8M0103096; Racor; S3227; Suzuki Outboard; 99105-20005;