Parts list: № Number Qty Name Options 1 L111978 2 Piston MARKED L111978 2 AL181918 6 Spring 3 L56243 2 O-Ring 4 L56246 2 O-Ring 5 AL171955 2 Brake Disk TK = 5.9 mm (0.232”) 6 L114053 2 Disk TK = 22 mm (0.866”) Next page: ST898753 Brake Disks, Rear Axle, W/ Power Fill Brake, W/ Transmission Oil Evacuation (LH Illustrated) ST891735 Bleeding Lines / Pilot Lines, W/O Air Trailer Brake, W/O Hydraulic Trailer Brake, W/O Secondary Brake (673929 - 999999), (100001 - 112876) ST723088 Adaptor Fitting, Quick Connectors ST971188 Oil Lines, Foot Brake, W/ Secondary Brake ST989157 Bleeding Lines / Pilot Lines, Foot Brake, W/O Air Trailer Brake, W/ Hydraulic Trailer Brake (673929 - 999999), (100001 - 112876) ST897994 Brake Disks, Rear Axle, W/ Power Fill Brake, W/O Transmission Oil Evacuation (RH Illustrated) ST989121 Oil Lines/ Mounting Parts, Foot Brake, W/ Secondary Brake ST898754 Brake Disks, Rear Axle, Heavy Duty, W/ Power Fill Brake, W/ Transmission Oil Evacuation (LH Illustrated) ST891741 Bleeding Lines / Pilot Lines, Foot Brake, W/ Air Trailer Brake, W/O Hydraulic Trailer Brake (673929 - 999999), (100001 - 112876) ST891151 Bleeding Lines / Pilot Lines, Foot Brake, W/ Air Trailer Brake, W/ Hydraulic Trailer Brake (673929 - 999999), (100001 - 112876)