MerCruiser 74009 74009A6 Thermostat Housing 1976-1982 470 3.7L Exhaust Manifold
Item Details
- MerCruiser 74009 / 74009A6 Thermostat Housing (for 1976-1982 Log-Style Exhaust Manifold Assembly)
- Superseded to 41801T
- Overall Good Condition, a really clean unit with no cracks or welds
Compatibility
- These would have been found only with 1976-1982 on MerCruiser 3.7L 4cyl 170hp "470" models that used the 71527 Log-Style manifold and generally a 3" Heat exchanger
------
1976 1977 1978 1979 1980 1981 1982 Alpha One 470 4-cyl 170hp 190hp 3.7L 3.7LX 224CID Sterndrive
