MerCruiser Heat Exchanger 98618A1 98618 470 170hp 3.7L 4cyl 4" Bracket 190hp Carburetor Mercury Part Number 23-52442 Propeller

Mercury Part Number 23-52442 Propeller Shaft spacer for what looks like a racing lower unit in the parts diagram

Please ensure yours looks just like this

generally AQ 275 / 280 & 290 systems that use this type of pump

Also includes the hold-down brackets as pictured

MerCruiser Heat Exchanger 98618A1 98618 470 170hp 3.7L 4cyl 4" Bracket 190hp Carburetor Mercury Part Number 23-52442 PropellerItem Details Removed from a 1985 1986 MerCruiser 470 S N A560005 Overall Good Condition Parts Included Heat Exchanger Mounting Bracket 98618A1 (Stamped 98618) 41024 Vibration Mount Grommet (as pictured) 2 of these are missing, you'll have to steal some from your original Compatibility For the most part it seems these parts were used from 1983 1989 on "470" models that used a 4" Heat exchanger ****(not the smaller 3" model)**** 1983 1984 1985 1986 1987