BRAKES 50 60 65 4 644 STEM LIMITING VALVE 4 3825 1 1 2400289 Assy 2396430 238654 4 644 WASHER LIMITING VALVE 4 3835 1 1 2287441 Assy 2396430 Cover Screw M ID I OD x i Thk Steel RepI 2275913 2 2 2436163 CE ME SE Brkt to Member Bo t Use w 717895 792061 VaIve 4 ID u OD x Thk 2 2 2436162 CE ME TE Valve to Modulator Brkt Use w 717895 792061 VaIve 344 ID 625 OD x 062 Thk 4 646 VALVE BRAKE RELAY 4 3500 1 1 2029934 CE Hyd Bandix Complete W Hyd Spring Parking Brake Eff w 1978 1 1 717892 CE ME SE TE Air Bendix 286371 CompIete Rr Brake Std W Whl Lk Cont 0pt w 2022483 1 1 2022483 CE ME SE TE Air MidIand N 30100 AH Comp eta Rr Brk Std W Whl Lk Cont 0pt w 717892 1 2492187 ME MM Air 279180 Bendix Comp ete Rear Brake Std W o Whl Lk Cont 1 2012351 SE MidIand N30106 C0mpIete Rr Brk W 0 Whl Lk Cont 4 646 VALVE BRAKE SUPPLY OR DIVERTER 4 3505 1 1 1 2214695 CD CE CG CM ME MM SE SG SM TE TG TM 1498 A6 lncl Cap Core Stem SOA 4 18 Pipe Thd 302 32 Thd x 1 I Long Air Tank 1 1 665686 TE TG TM 645 A 6 IncI Cap Core Stem SOA Pipe Thd 302 32 Thd 1 r Lg Air Tank 1 1 2028836 CE Hyd Bendix Comp ete W Hyd Spring Parking Brake Eff w 1978 SOA 4 646 VALVE RELAY VALVE INLET EXHAUST 4 3641 1 2484719 Assy 2492187 279181 lncI Grommet Ring Spring 4 646 BODY RELAY VALVE 4 3520 1 611145 Assy 2492187 243961 4 646 CHECK RELAY VALVE EXHAUST 4 3542 1 2494715 Assy 2492187 243969 on Exhaust C0ver 1 in Dia Rub 4 646 COVER RELAY VALVE 4 3545 1 2494717 Assy 2492187 243972 Piston 1 2484714 Assy 2492187 243968 Exhaust 4 646 GROMMET RELAY VALVE 4 3568 1 1 9034628 Assy 717892 2492187 243973 Piston to Cover O Ring 3 ID 4 OD x is Wide Rub I 1 8874541 Assy 717892 2492187 245290 Cover to Body 0 Ring 4 ID 4 OD x Wide Rub 4 646 KIT REPAIR RELAY VALVE 4 3510 1 660612 Assy 2492187 280856 In Valve 0 Rings Retainer Spring Rings Check 1 1 794274 Assy 717892 287370 ncI Diaphragms Grommets Retainers Rings Springs Valve Washer 1 1 2014587 Assy 2022483 2012351 2029934 RN 10 E6 IncI Diaphragm Disc Rings Saal Spring VaIve SOA 4 646 NUT RELAY VALVE 4 3581 1 1 2008875 Assy 717892 249317 Cap 4 646 O RING RELAY VALVE 4 3581M 1 1 2400292 Assy 717892 242775 1 424 ID 103 Wide Rub 1 1 2400293 Assy 717892 239658 987 ID 103 Wide Rub 1 1 9023324 Assy 717892 234045 ID 1 i OD x sz Thk Rub 1 2494711 Assy 2492187 240337 Large InIet Exhaust Valve 1 2247610 Assy 2492187 214747 SmaII InIet Exhaust Valve 4 646 PISTON RELAY VALVE 4 3582 1 2494720 Assy 2492187 279182 Re ay lncl Adj Screw 4 646 RING RETAINING RELAY VALVE 4 3597 1 1 2401700 Assy 717892 239712 InIet Valve 1 2494713 Assy 2492187 243967 Snap WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM T I N S reference only Added this issue 4 1 17 4 644 4 646 AR PART I r