Yamaha - Collar - 90387-172E5-00 MerCruiser-4-5L-MPI-Alpha-2003 It fits select Mercury and

It fits select Mercury and Mariner 2-stroke outboards from 30 to 150 horsepower

Excellent wear and corrosion protection for extended engine life

Galvanic corrosion occurs naturally when different metallic alloys are submerged together in highly conductive saltwater

it’s usually a straightforward swap during routine service

Power Generating Stations

Yamaha - Collar - 90387-172E5-00 MerCruiser-4-5L-MPI-Alpha-2003 It fits select Mercury and90387 172E5 00 COLLAR 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.