Cummins 6BT Crankshaft Oil Seal 3802820   Place of Origin: Hubei, China (Mainland) Brand Name: Cummins DCEC Model Number: 6BT 3802820 color: silver 1. Cummins 6BT crankshaft front oil seal  2. genuine cummins parts  3. OE/No:3802820  4. Made in China  5. competitive price