OE Number: 21110AA690Fitment:for Subaru BRZ 2013-2020for Subaru Crosstrek 2013-2017for Subaru Forester 2011-2018for Subaru Impreza 2012-2016for Subaru Legacy 2013-2019for Subaru Outback 2013-2019Description: Color: Silver ToneMaterial: MetalSize: 13.8x11x7.7cm / 5.43"x4.33"x3.03"(L*W*H)Hole Size: 7mm / 0.28"Package Include:1 x Water Pump1 x GasketFunction:The engine water pump will pressurize the antifreeze of the vehicle to ensure the circulation of the antifreeze between the engines.To stay cooling efficient that this water pump maximizes coolant flow to ensure the engine is properly cooled.Avoid the engine getting too high temperature during working, drive coolant to dissipate engine heat.