Genuine Cummins 3910343 4" Heat Exchanger Gasket Genuine Cummins 4" OD heat exchanger gasket for 4B and 6B series models and NT855 Sold individually.…
Genuine Cummins 3975186 Heat Exchanger Sealing Washer Rubber washer mouting between end cap and rubber gasket on 4BT, 6BT & 6BTA Cummins heat exchangers