4 0 2012 GM/Chev (HD) 6.0G Flywheel for a Chevrolet Express $30 USD Quality used Flywheel for GM/Chevrolet 6.0L engine, backed by our standard warranty. OEM # 12654640, 12637677, 12602448 Please Note: The part sent may not exactly match the one pictured.... ConditionUsedFits To Make(s)CHEVROLETFits To Model(s)ExpressStock Number44F-12654640-STK MLS Number13015462CategoryFlywheels Last Updated8/19/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info