Mercury Kiekhaefer Outboard 20038 Pressure Valve Cover Mark 50 40 20 15 KG9 KF9 Exhaust Boots These were notorious to be

These were notorious to be made out of poor quality plastic

This was off an 1984 Evinrude 235hp V6

The Control knob handle for the primer / choke is missing the end - Picture 6

Recoil is tested & working

used on Mark 78 models

Mercury Kiekhaefer Outboard 20038 Pressure Valve Cover Mark 50 40 20 15 KG9 KF9 Exhaust Boots These were notorious to beItem Description Mercury Part Number 20038 Cast Pressure Valve Cover (possibly also the same as 25833), used on Mark 50, 50E, 20, 15, 20H, KH7, WG7, 40, KG9, KF9 (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