Description: Genuine GM Engine Piston, part number 19208471. This GM OEM engine piston is an internal engine component built to factory specifications for proper fit, balance and durability. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 19208471 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.