2000 Mack RD688SX, Truck Delivery, I Beams, Fits to: Mack RD688SX, (Used) 2000 Mack RD688SX, COMPLETE AXLE BEAM- Make: Mack, Model: 3QHF545-P2, Serial Number: 1QHAFA, Hub Bolts: 6 Brake Type: Drum, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Truck Year 2000, VIN 1M2P268C2YM052319, 1M2P268C2YM052319