Description:

Part number: 3922900, 3802287, 38504, 3904370. Replacement for Cummins 6B 6BT 6BTA 4B 4BT 4BTA 3.9L 5.9L. metal, strict process flow, to ensure reliability and stability, maintain the efficient operation of the engine system. Automatically adjust the belt to keep the engine timing belt in tension, so as to keep the engine power normal.