Product Name:Cummins diesel parts O seal ring 3977393 

Part No: 3977393 

Cummins diesel engine parts 

We are looking forward to establish a long and deep cooperation with sincere partner and  your satisfication is our best momentum going forward.

( 4BT/6BT/6CT/L/ISDe/ISBe series)

4B3.9 6B5.9 6C8.3 6L8.9 ISBe ISCe ISDe ISLe QSB N14 NT855 M11QSM ISM KT19 KT38