4 630 PAD Brake and Clutch Pedal Ser 10 thru 80 exc 4 WD D D VAN clutch pedal cover Ser 10 thru 60 exc 4 WD D D VAN Ser 70 80 exc Air Brake brake pedal 3769303 1 Ser 20 30 D D VAN brake and clutch rubber 3 x 2 3711698 2 Ser 70 80 w Air Brake brake pedal 3768564 1 NO I E Previously released 4 634 SLEEVE ASSY BRACKET SHAF T Brake Pedal Ser 10 thru 60 exc D D VAN Ser 70 80 exc A O H B 3769299 1 Ser 50 70 80 exc FFC Ser 60 exc FFC 133 W B Ser 60 LCF w 133 W B BRACKET stop lamp switch and bumper 3763888 1 Ser 20 30 D D VAN SHAFT clutch brake X 5 3720804 0 833 1 NOTE Previously released 4 637 BOLT Brake Pedal Ser 10 thru 80 exc D D VAN adjusting 3763877 0 841 1 4 640 CONTROL VALVE and PARTS Air Brake Ser 70 80 assy w body marked N 20823A 2400777 1 Ser 70 80 assy valve w cage 2381277 1 Ser 70 80 REPAIR KIT 3775112 1 Ser 70 80 SCREEN UNIT valve exh filter 3775299 1 Ser 70 80 PISTON ASSY 2389849 1 Ser 70 80 SPRING piston 2381279 1 Ser 70 80 SPRING inlet valve release 2389842 1 Ser 70 80 SPRING inlet valve return 6 coils cone shape 2396972 1 Ser 70 80 BOOT rubber 1 high x 1 dia 2400776 1 Ser 70 80 r DISC ASSY inlet valve synthetic rubber 2263877 1 Ser 70 80 COVER inlet 2381288 1 Ser 70 80 CUP piston aluminum casting l high x 13 O D 2381283 1 Ser 70 80 LCF SUPPORT pipe 3766318 1 Ser 70 80 BRACKET mounting w 3 holes 1 2400778 1 Ser 70 80 GASKET inlet valve cover cork 1 I D 2381281 1 Ser 70 80 RING snap 2389845 1 Ser 70 80 SEAL piston M thk x 2 O D 2381285 1 Ser 70 80 SEAL O ring inletvulve 1 x LQ 2381286 1 Ser 70 80 SEAL O ring inlet valve 1 x Mg 2381287 1 Ser 70 80 SCREW piston retaining 2389846 1 Ser 70 80 SHIM piston 1 O D 2311304 A R Ser 70 80 SHIM piston 16 O D 2390251 A R Ser 70 80 GASKET valve 22 O D 3766795 4 648 2 4 642 SUPPORT Air Brake Release Valve Ser 70 80 w Air Brake front 3766894 1 Ser 70 80 w Air Brake rear 3730470 1 NOTE Previously released 4 644 VALVE ASSY and PARTS Air Brake Release Ser 70 80 front and rear Bendix 205000 307801 1 Ser 70 80 CAP Bendix 211028 2066609 1 Ser 70 80 DIAPHRAGM Bendix 232017 2255895 1 Ser 70 80 SEAT valve spring Bendix 202587 648455 1 Ser 70 80 SPRING Bendix 202588 649001 1 NOTE Previously released Chevrolet Motor TRUCK MODEL CATALOG General Motors Corporation