Product Overview
3943875 ISB5.9 ISB6.7 Exhaust Manifold. Product type: Exhaust Manifold. Part number(s): 3943875. Engine/model: ISB5.9, ISB6.7. Application notes: exhaust manifold for Cummins ISB5.9, ISB6.7 engine applications. Please verify final fitment by part number, engine serial number, and application before publishing or ordering.












