Buy Subaru STI Engine Water Pump. Water Pump If any of the components of your vehicle's water pump - OEM Subaru Part # 21110AA017 (21110AA012, 21110AA013, 21110AA015, 21110AA016)

33. Main Engine Water Pump.

WATER PUMP ASSEMBLY Engine Water Pump

Fits DL, GL, GL10, Loyale, RS, RX

Water Pump
If any of the components of your vehicle's water pump assembly are faulty, your engine can't properly cool itself. If you've noticed a coolant leak from the front of your engine, quickly rising engine temperatures at idle or that your water pump pulley is loose or making noise, have your Subaru inspected by one of our certified Subaru technicians.