Check the listing for details. MCI Coach DD-3 Brake Chamber. Condition: New. Listed at 650.00 USD. MCI Coach Bendix DD-3 Brake ChamberThis is a brand new chamber supplied by www.rebuildersenterprises.comFits multiple part numbers including: 4R-5-1, 4R-5-2 Chamber has a 1 year unlimted mileage warranty. To see if this unit will fit your application or for technical assistance, feel free to call 800-489-9860.Rebuilders Enterprises, Inc. is Illinois' Original Remanufacturing Company Specializing in Air Brake Components including:Air CompressorsAir dryersAir ValvesFan Clutches Air over Hydraulic Brake DevicesAir Wiper Motors We are also Illinois' largest remanufacturer ofSteering Gear Boxes and Pumps Don't forget A/C compressors including: Carrier and Thermo King Whether your servicing a single truck or an entire fleet, REI is ready to meet your parts needs!