Parts Information
Parts required to complete this campaign are to be obtained from General Motors Service Parts Operations (GMSPO). To ensure these parts will be obtained as soon as possible, they should be ordered from GMSPO on a "C.I.O." order with no special instruction code, but on an advise code (2). All Good wrench parts system test dealers should order on a "VIP" order.Part Number Description Vehicle
10212810 Valve Stem Seal 12
10201397 Gasket, Rocker Cover Arm 2
(Only needed for customer
vehicles with mileage)