Water Pumps & Thermostats

Low-temperature thermostat, designed to allow coolant to begin circulating earlier in the warm-up cycle than a standard thermostat. Suited to vehicles used on road or track where engine temperatures rise quickly. No specific opening temperature is stated in the supplied information.

3-port water pump manufactured by Aisin, using a cavitation-friendly cast impeller to maximise coolant flow. Kit includes the water pump complete with gasket and thermostat seal.

RCM Black Series dual-port angled thermostatic oil sandwich plate, with oil lines directable at multiple angles to suit twin-scroll, equal- and unequal-length exhaust manifolds. Integral thermostat opens at 85 degC. Supplied with 2x Dash 8 fittings.

Genuine STI uprated high-pressure radiator cap, rated to 1.3 Bar. Confirm the correct cap for your specific model and cooling system before ordering.

Genuine Subaru thermostat O-ring gasket, listed as a universal service item across a broad range of Subaru models.

Genuine Subaru water pump gasket, listed as a universal service item across a broad range of Subaru models.

Genuine Subaru 3-port water pump, suited to manual transmission Impreza models. Confirm the correct pump for your specific model and year before ordering.

Genuine Subaru thermostat, listed as a shared/application fitment part across a wide range of Subaru models from 1992 onward. Confirm the correct thermostat, including opening temperature, for your specific engine before ordering.

RCM Black Series 3-port water pump with a 70-degree thermostat, finished in corrosion-resistant satin black. Uses a cavitation-friendly cast impeller and includes a billet aluminium thermostat housing. Kit includes pump, thermostat, gasket, thermostat seal, housing and bolts.

RCM Black Series 3-port water pump, finished in corrosion-resistant satin black. Uses a cavitation-friendly cast impeller and includes a billet aluminium thermostat housing. Kit includes pump, gasket, thermostat seal, housing and bolts.