Looking to restore intake system performance? This 4946747 air transfer pipe can take 5316120 as alternative part for Cummins ISB6.7, ISD6.7 and ISBE4, B6.7 engines. Smooth inner surfaces cut airflow turbulence and pressure loss. Robust anti?rust alloy construction stands thermal cycling stress, perfect swap?in when original pipes suffer cracks or joint leakage.
Supersedes:5316120
