MerCruiser 470 485 170hp 3.7L Heat Exchanger Cooling Hoses Set 32-77331 32-76326
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- Removed from a 1976-1978 MerCruiser 470 4cyl 170hp S/N 5064860 (w/ 3" diameter heat exchanger) (MCM)
- MerCruiser made researching this section extremely confusing, so if something doesn't seem right here, please let me know..
- Some of the hoses had the part numbers stamped on them and others I've had to deduce which part it likely is.
- Most of the parts here are for Serial numbers 4487701 & Up and generally these parts were used up until 1982
- Freshwater Used Parts
- Hoses are in decent condition, great idea to have a spare set or use as a replacement.
- All appropriate hose clamps included as pictured
- 32-77331 Heat Exchanger to Thermostat Housing
- 32-77245 Heat Exchanger to Thermostat Housing (21-3/4")
- 32-76327 Intake manifold to heat exchanger (MCM)
- 32-47642 Voltage regulator to drive (long hose)
- 32-77332 Heat Exchanger to exhaust elbow
- 32-76326 Intake Manifold to water pump Hose
1976 1977 1978 1979 1980 1981 1982 MerCruiser Alpha One 4cyl 470 485 170hp 2 BBL.