RM FD3S Radiator Separator Genuine Compatible Type

Car Make: Mazda
Model: RX-7 FD3S

It is a radiator separator compatible type with the genuine radiator separator for FD.
It is a sub-tank to prevent air bubbles created by the rise in water temperature in the engine from entering his radiator.
This can suppress the decrease in cooling efficiency.
It is a type compatible with the genuine separator tank.