4 0 2012 GM/Chev (HD) 6.0G Water Pump for a Chevrolet Express $60 USD Quality used water pump for a GM/Cheverolet 6.0L engine used on various vehicles from 2007-2013, backed by our standard warranty. OEM # 12637371, Please Note: The part sent may not exactly... ConditionUsedFits To Make(s)CHEVROLETFits To Model(s)ExpressStock Number30PW-12637371-STK MLS Number13242155CategoryWater Pumps Last Updated8/19/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info