Cummins 6C8.3/6L8.9 Air Compressor 4933782 Parts Catalogue Ref No. Part Name Part No. Required Air Compressor 4933782 1 1 Accessory Drive Gear 3942497 1 2 Air Compressor 4933783 1 Above is the introduction of the Cummins 4933782 Air Compressor, while if you need any other Cummins spare parts or complete Cummins engine, Please further consult our sales.