RCM Black Series Water Pump Thermostat Housing for Subaru WRX/STI (EJ20/EJ25)

Note: Listing is for thermostat housing only. Water pump and Thermostat not included.

It's all in the detail! This is a CNC machined, black anodised and laser marked, RCM billet aluminium thermostat housing. Want your build to look just that little bit different and bespoke?.....this is a great addition to any engine build. Not only is the housing corrosion resistant, but it also helps with the smooth and efficient movement of coolant through the engines cooling system. The kit comprises of the billet thermostat housing and bolts and is a great addition to any engine build.

This will suit any EJ20/EJ25 turbo engine with the OEM water-to-oil engine cooler which utilises the extra water barb on the pump. Will suit OEM and RCM water pumps.

Vehicle Fitment:

• 2001-2007 Subaru WRX (w/3-Port Water OEM Pump)
• 2008-2014 Subaru WRX (w/3-Port Water OEM Pump)
• 2001-2007 Subaru STI (w/3-Port Water OEM Pump)
• 2008-2014 Subaru STI (w/3-Port Water OEM Pump)
• 2015-2021 Subaru STI (w/3-Port Water OEM Pump)