Sierra 18-7948 Fuel Filter 10 Micron Replaces 17670-ZW1-801AH Sierra 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. 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