Mercury - Pilot check assy - 827671A1 Scuppers & Thru-Hulls Material may vary by engine

Material may vary by engine application

Replacing them periodically is a simple step that helps extend the life of your Yamaha and keeps corrosion from becoming an expensive problem later

Reliable corrosion protection that shields your lower unit from costly damage

For use with 3 blade stainless steel "‘ Cleaver & Chopper II

Mercury - Pilot check assy - 827671A1 Scuppers & Thru-Hulls Material may vary by enginePilot check assy 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.