78165 MerCruiser 3" replacement heat exchanger 470 inboard

SKU
1138

Regular Price: $478.00

Special Price $339.00

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  • #78165 for 470 MC 3" diameter for inboard. MC only made a few hundred engines with this 3" unit, so make sure this is what you really need. For inboard/outboard applications order 77319 for 3", or 170 470 conversion kit for changing over from 3" to 4"The 77319 is 5" longer too, if lack of cooling capacity is your problem.