Cummins 6CT 8.3, Intake Manifolds, (GOOD USED) Cummins 6CT8.3L Part # 3918685-02-5 FACK Intake Elbow, Pulled off a Cummins 8.3L 6CT Diesel Engine, 5 FACK, 3918685 02 5 FACK, P/N 3918685025 FACK, Stock # IN066 | Tested & Inspected!