BRAKES 50 60 66 4 878 VALVE TRAILER BREAKAWAY OR PROTECTION 4 4600 C0n t 1 1 2490142 CE CG CM ME 279000 Bendix TraiIer CompIete 1 1 649579 CE CG CM ME 280723 Tractor Pr0tection Bendix CompIete w o Whl Lk Cont 1 1 2490142 CE ME 279000 Bendix Tractor C0mpIete W Whl Lk C0nt Prior to 1978 1 1 1 2015819 CE ME N 20949 AA MidIand Tractor Protection 8i Quick Release Valve W Semi Trailer Brk Controls or Trac Pac Brk CompIete Eff w 1978 1 2490142 TE 279000 Bendix Tractor CompIete W Whl Lk C0nt Prior to 1976 2nd Design 1 792064 TE 287340 BendIx Tractor Protection Quick Release Va ve W Semi Trailer Brake C0ntroIs W Whl Lk Cont Eff w 1976 2nd Design Opt w 2015819 1 2015819 TE N 20949 AA Midland Tractor Protection 81 Ouick Release Valve W Semi Trailer Brake Controls W Whl Lk Cont Eff w 1976 2nd Design Opt w 792064 4 878 BODY TRAILER BREAKAWAY VALVE 4 4605 1 1 794268 Assy 649579 290674 Upper RepI 2426069 1 1 2496088 Assy 649579 243633 Lower 4 878 BOLT TRAILER BRAKE SYNCHRO VALVE 4 4581 2 2 2 9424320 CD CE ME Mtg Brkt 16 x 1 Hex 300M Stee RepI 9418822 9427321 4 878 BOLT TRAILER BREAKAWAY VALVE 4 4606 2 2 2 9424320 CE ME Mtg Brkt 16 x 1 Hex 300M SteeI FIepl 9418822 9427321 4 878 BRACKET TRAILER BRAKE SYNCHRO VALVE 4 4581 H 1 1 1 2046605 CD CE ME Mtg W Trac Pac EIrk RepI 2030381 4 878 BRACKET TRAILER BREAKAWAY VALVE ALSO SEE RPO N0 J 4 4610 1 1 2491085 CE CG CM ME w Assy 2490142 1 1 1 719863 CD CE ME W Assy 2015819 2490142 W Whl Lk Cont 4 878 CAP TRAILER BREAKAWAY VALVE END 4 4613 1 2478589 Assy 2475721 200630A 4 878 COVER TRAILER BREAKAWAY VALVE 4 4615 1 1 2496092 Assy 649579 243637 Lower Body 4 878 DIAPHRAGM TRAILER BRAKE SYNCHRO VALVE 4 4583 1 1 2014513 Assy 2029228 9 N11075 A 4 878 DIAPHRAGM TRAILER BREAKAWAY VALVE 4 4620 1 1 2405340 Assy 2490142 239942 Rep 2400203 4 878 DISC TRAILER BREAKAWAY VALVE 4 4626 1 2336382 Assy 2475721 N 13073A Exhaust Valve 1 2478690 Assy 2475721 601066 Port 2 OD Syn RU 4 878 GASKET TRAILER BREAKAWAY VALVE COVER 4 4630 1 1 2400292 Assy 2490142 242775 4 878 GROMMET TRAILER BREAKAWAY VALVE 4 4632 1 1 2426072 Assy 649579 240450 1 2408930 Assy 792064 239645 Tractor Protection Va ve 1 362 ID x 103 Thk 1 3867855 Assy 792064 235063 Tractor Protection Valveo 674 ID x 103 Thk 4 878 KIT REPAIR TRAILER BRAKE SYNCHRO VALVE 4 4581 1 1 2038565 Assy 2029228 9 RN 10 FM MidIand Ross nc 0 Rings Seal Piston Valve Diaph WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM T2 4 878 4 878 4 174 IrN reference only Added this issue AR PART