Cummins 4B3.9/6B5.9 Air Compressor 4946294 Parts Catalogue Ref No. Part Name Part No. Required Air Compressor 4946294 1 1 Accessory Drive Gear 3944516 1 2 Air Compressor 4946483 1 Above is the introduction of the Cummins 4946294 Fuel Pump, while if you need any other Cummins spare parts or complete Cummins engine, Please further consult our sales.