EMP 35-37811 Mercury Mariner Oil Filter This EMP oil filter is designed as an aftermarket replacement Mercury Mariner Engine Part. The strong metal base plates and end caps provide excellent corrosion resistance in marine environments. A high effieciency glass media helps trap dirt and other contaminants to provide a cleaner and longer service life. EMP Oil Filter Application For various year MercuryMariner 4-Cyl 35-150 HP outboard engines. 10 micron rating Replaces Racor S3213 S3220UL Interchan