Exhaust Gas Recirculation Valve Gasket Cummins Engine 6C 8.3 – Engine 6CT 8.3 – Engine 6CTA 8.3

Installed in the EGR (Exhaust Gas Recirculation) circuit. It serves to create a seal between the EGR valve and the corresponding manifold/duct, preventing exhaust gas leaks during recirculation. A proper seal allows the EGR system to correctly route a portion of the exhaust gases back into the intake and contributes to the proper functioning of the emissions control system.

It is used on Cummins 6C 8.3, 6CT 8.3, 6CTA 8.3, ISC, QSC, ISL 8.9, and QSL 8.9 / 9 engines.

I wouldn’t automatically consider all ISC/ISL/QSC/QSL units to be compatible. To ensure a proper sale, you need to verify the ESN/CPL and EGR configuration, because specifications can vary depending on the model year, emissions certification, and engine build.