Parts list: № Number Qty Name Options 1 R125126 1 Plate 2 RE51687 1 Brake Disk 3 R125124 1 Piston 4 R132615 1 Seal PISTON O.D. 5 R122849 1 Seal PISTON I.D. Next page: ST268534 Service Brakes (RE44163) (1400 Series Heavy Duty Axle) ST268535 Dual Brake Hardware (RE44183/RE44183)