Parts list: № Number Qty Name Options 1 RE564877 1 Elec-Hyd Proportional Valve 2 RE329564 1 Solenoid Hydraulic Valve Pre Brake Solenoid Valve 3 RE305430 1 Solenoid Valve Pre Brake Enable Solenoid Valve 4 R308216 2 Cap Screw 5 T204128 2 Screw 6 RE308232 1 Seal Kit 7 AT224873 1 Seal Kit Next page: ST812593 Attachment, Pneumatic Compressor Drive ST815466 Pneumatic Trailer Brakes System, Service Only ST818766 Hydraulic Hoses, W/O Secondary Brakes and W/ Air Trailer Brakes, 425 mm Differential ST818770 Plugs, W/O Front Brakes and W/ Secondary Brakes, PowrQuad™ ST925584 Attachment, Hydraulic Trailer Brake ST778369 Brake Line and Fittings, IVT™, W/ ACS™ and AutoTrac™, Group 47 and 48 Tires (009209 - ) ST778094 Brake Valve Lines and Fittings, PowrQuad™, W/O Backup Pump (009209 - ) ST772374 Oil Lines, Manual Brake Valve, W/ Secondary and Air Trailer Brakes, W/ or W/O Hydraulic Trailer Brakes (009209 - ) ST772362 Oil Lines, Rear Brake Lines, (W/ Secondary Brakes Or Hyd Trailer Brakes) Or (W/O Secondary Brakes, Front Brakes) and (W/ Air Trailer Brakes and HERB and Brake Retractors (009209 - ) ST772361 Oil Lines, Rear Brake Lines, (W/ Secondary Brakes Or Hyd Trailer Brakes) Or (W/O Secondary Brakes, Front Brakes) and (W/ Air Trailer Brakes and HERB and Brake Retractors ( - 009208)