Exhaust Gas Recirculation (EGR) Cooler Gasket -- EGR Cooler Gasket Rebuild Set. Contains EGR Bypass Gasket, EGR Cooler Core Gasket, EGR Cooler to EGR Cooler Housing O-Rings, EGR Cooler to Valve Cover Gaskets, EGR Inlet Tube Gaskets, EGR Outlet Tube Gaskets.