MerCruiser 74009 74009A6 Thermostat Housing 1976-1982 470 3.7L Exhaust Manifold Bolt Set 48-58426-23 / 48-58426A1 / 48-58426A4

48-58426-23 / 48-58426A1 / 48-58426A4

The Part Number of Points 580148

Choke Housing 0310184 / 310184 / 0380775 / 380775 Bowl

0L 140hp  4cyl / 3

the 1980's

MerCruiser 74009 74009A6 Thermostat Housing 1976-1982 470 3.7L Exhaust Manifold Bolt Set 48-58426-23 / 48-58426A1 / 48-58426A4Item Details MerCruiser 74009 74009A6 Thermostat Housing (for 1976 1982 Log Style Exhaust Manifold Assembly) Superseded to 41801T Overall Good Condition, a really clean unit with no cracks or welds Compatibility These would have been found only with 1976 1982 on MerCruiser 3. 7L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.