Mercury Kiekhaefer Outboard 10-22728 Co-Pilot Ring Screw Mark 5 6 6A KF5 KF3 Flame Arrestor so that might be the

so that might be the case on this one

You will receive what is in the pictures

pits & other markings on the shaft

Temp Sensor #278000194

Mercury Kiekhaefer Outboard 10-22728 Co-Pilot Ring Screw Mark 5 6 6A KF5 KF3 Flame Arrestor so that might be theItem Description Mercury Part Number 10 22728 Co Pilot Ring Clamp Screw found on Mark 5, 6, 6A KF5 KF3 (and possibly others). Purchase with confidence! General Disclaimer (please read) These are New Old Stock Parts from a large mercury Mark & K models cabinet I have. Some of these parts might work on more models than listed in the title and or the description, Please do your own research There might be some surface rust, missing paint, scratches,