Engine Coolant Pipe O - Ring. Seal - Spark Plug (High Tension).
EGR Cooling Pipe. EGR Cooling Pipe to Lower Thermostat Housing. O-Ring.
Engine Coolant Pipe O-Ring
Fits Express 2500, Express 3500, Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado