Mercury - Manual-parts - 90-898164008 303 Products - Multi-Surface Cleaning & Detailing Check valve automatically shuts off

Check valve automatically shuts off hull intake when water pressure is applied

flush physical seat onto your trolling motor's 4-inch diameter hub

Compatible with the following MerCruiser engines equipped with ECM 555 (2001–2015):

This particular cover is for a Yamaha 4

fittings sold separately so you can match your plumbing

Mercury - Manual-parts - 90-898164008 303 Products - Multi-Surface Cleaning & Detailing Check valve automatically shuts offManual parts WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.