MerCruiser 1347-9662A4 V8 260hp 350 5.7L 4BBL Quadrajet Carburetor Carb 17080561 Power Steering Appears just the Twin Carb

Appears just the Twin Carb 40C outboard (but not the one with autoblend)

Manufacturer Part Number: 172492

Found on OMC Stringer 4cyl 400 Series & 4cyl Cobra 1978-1989

I'm quite positive that this is what there is as it only looks like they produced 5 different gear pinions of this "look" that basically varied in lengths and some had an extra hole on the bottom for some sort of pin

both sides as pictured) as well as screw OMC 091468 / 0914681

MerCruiser 1347-9662A4 V8 260hp 350 5.7L 4BBL Quadrajet Carburetor Carb 17080561 Power Steering Appears just the Twin CarbItem Details GM Rochester Quadrajet 4 barrel carburetor assembly MerCruiser Part Number 1347 9662A4 (1347 9662 would be on the plate based on the green color of what remains of the tag) For 5. 7L 350cid 260hp applications, 1983 Early 90's still using Rochester Quardrajet for sure, but equivalent to subsequent years. Related Possibly Equivalent Numbers (17080561) Rochester Stamped Number on Housing 1347 6492A1 (Earlier models) 1347 8292A4 1347 9662A4