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93-95 Rx7 Thermostat Housing Cap Base (N3C1-15-175)
Fits all 93-95 Mazda Rx7s where applicable.
The thermostat housing was superseded to not need this part by the cap screwing directly onto the housing, but if you have the original/earlier housing, you will need this part.
You will also need this o-ring and cap.
Will interchange with the earlier 86-88 Rx7 Cap and thermostat housing body if you want one with a nipple.