Cummins 6C/6L/ISC/ISL Engine Piston 4932720 Parts Catalogue Ref No. Part Name Part No. Required 1 Engine Piston 4932720 6 2 Engine Piston 5255975 6 Above is the introduction of the Cummins 4932720 Engine Piston, while if you need any other Cummins spare parts or complete Cummins engine, Please further consult our sales.