MerCruiser 39670A28 Shift Interrupt Engine Cut-Out Kill Switch 140hp 4.3L V6 V8 Camshaft missing coating in some spots

missing coating in some spots

MR/ALPHA Units which have no pre-load pin in the top of the drive shaft

AQ140A AQ290A

This was part of a lot of re-manufactured propellers I received

Compatibility by year: (this is based on my research and the OMC parts diagrams)

MerCruiser 39670A28 Shift Interrupt Engine Cut-Out Kill Switch 140hp 4.3L V6 V8 Camshaft missing coating in some spotsItem Details MerCruiser McGill Shift Interrupter Neutral Safety Shift Cut Out Kill Switch 39670A28 Replaces the following 39670A22 39670A38 39670A5 Tested & working! (Stock Image, you will receive one in similar condition to the one pictured here) If your engine is dying when shifted into reverse, it means you have a bad overstretched shift cable Please test your existing switch with a multi meter to ensure yours is not actually working before