Parts list: № Number Qty Name Options 1 RE283820 1 Valve 2 RE329564 1 Solenoid Hydraulic Valve Secondary Brake Solenoid Valve INCLUDES RE308232 3 RE305430 1 Solenoid Valve Secondary Brake Enable Solenoid Valve INCLUDES AT224873 4 R308216 2 Cap Screw 5 T204128 2 Screw 6 RE308232 1 Seal Kit 7 AT224873 1 Seal Kit Next page: ST764255 Hydraulic Trailer Brake, Attachment ( - 093999) ST755668 Rear Brake Lines, IVT™/e23™/CommandQuad™, W/ Secondary Brake and Back up Pump, Group 47/48 Tires ( - 093999) ST896215 Brake Line and Fittings, IVT™/ e23™, W/ AutoTrac™, Back Up Pump and Accumulator, Group 49 Tires (094000 - ) ST755190 Rear Brake Lines, e23™ / IVT™, W/O Secondary and Air Trailer Brakes, W/O Hydraulic Trailer Brake , W/ Back Up Pump, Group 47/48 Tires ( - 091999) ST754005 Brake Line and Fittings, IVT™ / e23™, W/ ACS™, Back Up Pump and Accumulator, Group 47/48 Tires ( - 093999) ST911602 Hydraulic Trailer Brake Oil lines, e23™ / IVT™, 472 mm Axle (100001 - ) ST896183 Brake Line and Fittings, IVT™ / e23™, W/ ACS™, Back Up Pump and Accumulator, Group 47/48 Tires (094000 - ) ST888254 Control Valve, Air Trailer Brake (094000 - ) ST888157 Brake Valve, W/ Air Trailer Brake, W/O Hydraulic Trailer Brake (094000 - ) ST887700 Rear Air Trailer Brakes, 472 mm Differential Case (2/2) (090670 - 093999)