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86-88 N/A Manual Trans Rx7 Refurbished Thermostat Housing (N326-15-172B) - NLA
These are no longer available from Mazda, however the N318-15-172A thermostat housing cover will work in its place if you plug the passage on it.
These are no longer available from Mazda, however the N318-15-172A thermostat housing cover will work in its place if you plug the passage on it.