Subaru OEM Water Pump Subaru WRX 2005-2007 / STI 2002-2021

Part #: SUB - 21111AA240. Your water pump is a key part of your engine's cooling system. A failing water pump can lead to engine overheating and shutdown. There's a tell - tale sign when it's going bad. There's a small hole under the shaft in the middle where the pulley bolts to. As the bearings wear out, coolant seeps and leaks through this hole. If you see coolant drops under the front of your engine, your pump might be failing. This can cause engine overheating and possible further damage. Check the bottom of the water pump for coolant dripping from the indicator hole. If it's the problem, this well - fitting replacement part is for you. Replace your broken or leaking water pump right away. Fitment includes 2004 - 2006 Baja, 2004 - 2007 Forester XT, 2005 - 2007 WRX, 2004 - 2021 STI, and 2005 - 2009 Legacy GT / Outback XT. Warranty Disclaimer: Subaru of America only warranties parts installed on a car with a matching VIN by a CERTIFIED Subaru Dealership. This listing only includes the water pump, no gaskets. California Prop 65 Warning: Working on your vehicle can expose you to harmful chemicals. Minimize exposure by avoiding exhaust fumes, not idling the engine unnecessarily, servicing in a well - ventilated area, and washing hands often or wearing gloves.

Using this water pump is simple. First, make sure your engine is cool. Remove the old water pump carefully following your vehicle's service manual. Then, install this new replacement water pump in its place. Be sure to align it correctly and tighten the bolts properly. As for maintenance, regularly check for any signs of coolant leakage under the front of your engine. If you see drops, check the small indicator hole on the water pump. Also, keep an eye on your engine temperature gauge. If it shows overheating, there could be an issue with the water pump. When it comes to servicing your vehicle, do it in a well - ventilated area and wear gloves to protect yourself from harmful chemicals. Remember, Subaru of America only provides a warranty if the part is installed by a CERTIFIED Subaru Dealership and the VIN matches.