MerCruiser 89659 89659A3 Thermostat Housing Cover Cap 470 1980-1989 Manifold Trim & Tilt Wiring Harness and that is because it

and that is because it was replaced when the vehicle was involved at some point before the vehicle was involved in a minor accident before I owned it so it is likely newer

MerCruiser Part number is 72646 / 72646T which correlates to 4bbl GM 5

OMC 909863 / 0909863 Exhaust Riser Elbow (Stamped)

398-5454A17

MerCruiser 89659 89659A3 Thermostat Housing Cover Cap 470 1980-1989 Manifold Trim & Tilt Wiring Harness and that is because itPart Number(s) Included MerCruiser 89659 89659A3 Thermostat Housing Cover General Application Compatibility MerCruiser "470" 3. 7L applications 1980 1989 using either the Cast Iron (99907 99908A3) or Aluminum (816219C 63173 C) exhaust manifold. 470 488 485 165hp 170hp 180hp 190hp 3. 7L 3. 7LX Other Details Freshwater Used Parts Purchase with confidence!