Engine Timing Cover Gasket. Inspection Cover Gasket. Seal.
Gasket for Engine Timing Cover. Oil Pressure Relief Valve to Timing Cover.
Fits Express 2500, Express 3500, Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado