Mercury Outboard 50hp 500 47899A9 37639 Spark Plug Lead Bolt Set Screw Parts 50hp whereas 389957 is this same

whereas 389957 is this same shaft externally except it is not drilled internally for the hydro-mechanical shift spring

Original Paint & Overall good condition

it doesn't continue through

This would have been found on OMC & Volvo Penta 302 / 351 V8 Ford applications 1989-1996

Mercury Outboard 50hp 500 47899A9 37639 Spark Plug Lead Bolt Set Screw Parts 50hp whereas 389957 is this sameCame off a Mercury 50hp 500 1970 1976 with Serial# 3235293 4cylinder cyl. 2 Stroke Vintage Kiekhaefer Item Condition and Notes: Misc. Parts in Various Condition Please Inspect Pictures for condition Freshwater Part Part #'s Spark Plug Wire Lead: 47899A 9 84 813715A 1 Bolt: 10 20653 Bolt: 10 38837 Bolt: 10 37562 Rubber Mount: 37639 Yours should look like this one. Please ask if you are unsure if this part will work for you. Please send model and serial