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Home >> Subaru >> 2022 >> WRX Base, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> General Description >> Specification >> Water Pump

Water Pump

Type Centrifugal impeller type
Pump characteristics Discharge rate L (US gal, Imp gal)/min 256 (67.6, 56.3) or more
Engine coolant temperature °C (°F) 80 (176)
Engine coolant concentration % 50
System pressure kPa (mAq) 88 (9.0)
Pump speed r/min 8, 580
Impeller diameter mm (in) 56 (2.20)
Number of impeller vanes pcs. 7
Pump pulley effective diameter mm (in) 100 (3.94)