MerCruiser 39670A28 Shift Interrupt Engine Cut-Out Kill Switch 140hp 4.3L V6 V8 Intermediate Housing 6410893 Oil Fill cap &

6410893 Oil Fill cap & 311545 / 0311545 Valve cover elbow also include still installed as pictured

And the other part as pictured

KG7 1939-1953  (and possibly others)

These are Plastic made to look like chrome

If you are unsure on compatibility if this will work for you

MerCruiser 39670A28 Shift Interrupt Engine Cut-Out Kill Switch 140hp 4.3L V6 V8 Intermediate Housing 6410893 Oil Fill cap &Item 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