Fitting Vehicle Options: AJ,AK(37-67)(LT1,MI2)(THIS PART MAY BE -WET- WITH RESIDUAL AUTOMATIC TRANSMISSION FLUID (ATF) FROM SUPPLIER TESTING PRIOR TO ITS SHIPMENT TO GM SERVICE), AL(37-67)(LT4,MI4)(THIS PART MAY BE -WET- WITH RESIDUAL AUTOMATIC TRANSMISSION FLUID (ATF) FROM SUPPLIER TESTING PRIOR TO ITS SHIPMENT TO GM SERVICE)