Mercury - Sender assy-trim - 863187A04 MerCruiser-5-7L-MPI-Towsports-1997 this anode shields vital components

this anode shields vital components from galvanic corrosion while also helping balance steering torque

OEM oil is mixed around what Mercury engines are designed to work with

predictable throttle and shift feel across all four engines

It’s one of those small pieces that makes a big difference

Mercury - Sender assy-trim - 863187A04 MerCruiser-5-7L-MPI-Towsports-1997 this anode shields vital componentsThis product has been superseded by: 8M0083577 Sender assy trimWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or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.