Mercury Outboard 50hp 500 1554-3910A2 Drive Shaft Exhaust Housing Short Shaft 70 Harmonic Balancer Bayliner Boston Whaler Bryant Boats

Bayliner Boston Whaler Bryant Boats Campion Carolina Cat Boats Centurion Boats Chaparral Boats Chris-Craft Cobalt Boats Crownline Boats

The ring gear is mounted to the face of the flywheel rather than the back side (which is what you would find in Stern Drives)

160hp 1967-1969

Part Number 84-66963 / 84-66963A1

Removed from a 70's Mercury 50hp 500 Between Serial # 1770179-2116317

Mercury Outboard 50hp 500 1554-3910A2 Drive Shaft Exhaust Housing Short Shaft 70 Harmonic Balancer Bayliner Boston Whaler Bryant BoatsCame off a Mercury 50hp 500 1970 1976 with Serial# 3235293 4cylinder cyl. 2 Stroke Vintage Kiekhaefer Item Condition and Notes: Good working Condition Please Inspect Pictures for condition Freshwater Part About 16" Part #'s Drive Shaft Housing Assembly Short Shaft: 1554 3910A 2 Lower Rubber Mount: 37395, 75304T 1 Upper Rubber Mount: 37394, 75305 Yours should look like this one. Please ask if you are unsure if this part will work for you. Please send