Mariner 53720A2 Outboard Throttle Linkage Coupling Assembly 1970-1988 75hp-150hp Internal Engine Parts 3cyl (Looper Outboards): 60hp /

3cyl (Looper Outboards): 60hp / 70hp / 75hp

It is in overall good condition

105hp (and possibly others-check the stamping on the top of your solenoid)

but had a larger internal displacment as well as a more robust 1/2 NF threads for the steering wheel shaft which is an easy way to tell the difference between the two

733-803850T

Mariner 53720A2 Outboard Throttle Linkage Coupling Assembly 1970-1988 75hp-150hp Internal Engine Parts 3cyl (Looper Outboards): 60hp /Part Numbers Included Used OEM Mercury 53720A2 Throttle Pick Up Bracket Assembly Coupler between carb carburetors on Mercury Mariner outboards Measures 3. 5" Compatibility Mercury Mariner 75hp 4cyl (1984 1986) Mercury Mariner 80hp 800 4cyl (1970 1972) Mercury Mariner 85hp 850 4cyl (1973 1977) Mercury Mariner 90hp 6cyl (1979 1986) Mercury Mariner 115hp 1150 6cyl (1970 1988) Mercury Mariner 125hp 1250 6cyl Mercury Mariner 135hp 1350 6cyl (1970 1971)