This is the upper half of the thermostat housing for all 69-later Fiat 850 engines. It receives water from the upper radiator hose. Has 3-bolt mount to the lower segment of the housing. The outlet on this unit is pointed in a slightly different direction than earlier units (PN 4100580) but can be substituted with use of an alternate hose.
1969-1973 Fiat 850 models (all)
Condition: USED (8 of 10)
Good used condition, no problems, deep pitting or other issues.