For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition
65 WarningOil Filter Adapter Cleaning and Inspection Engine Lubrication Oil Filter
Cleaning ProcedureClean the oil filter adapter components withnon-corrosive solvent.Warning:Refer toSafety Glasses Warning.Dry the oil filter adapter components with compressedair.Inspection ProcedureNote:The internal parts of the oil filter adapter housing are notserviced separately. If wear or dam ...