ALLISON AUTOMATIC TRANSMISSION POWERMATIC P l AND AT540 4 241 PISTON COVER GASKET PIN WASHER Reverse Servo S 71 72 All w T H 475 8624138 1 rear servo 71 72 All w T H 475 8626902 1 rear accumulator 71 72 All w T H 475 8624136 1 COVER rear servo 71 72 All w T H 475 8623174 1 GASKET rear servo cover 71 72 All w T H 475 8624139 1 PIN rear servo piston 1 ring 3 i O L 71 72 All w T H 475 8624140 1 PIN rear servo piston 2 rings 3 O L J 71 72 All w T H 475 8624141 1 PIN rear servo piston 3 rings 3 O L 71 72 All w T H 475 8627192 1 PIN rear band apply 71 72 All w T H 475 8627193 1 PIN rear band apply 71 72 All w T H 475 8627194 1 PIN rear band apply 71 72 All w T H 475 8627195 1 PIN rear band apply 71 72 All w T H 475 8623744 1 WASHER rear servo piston 4 242 SEAL RING Transmission Rear Servo 71 72 Ser 50 w T H 475 8623430 1 rear servo piston 71 72 Ser 50 w T H 475 8623671 1 RING rear accum piston inner oil seal 1 O D 71 Ser 50 SBC w T H 475 8623672 1 RING trans rear accum piston outer oil seal 71 72 Ser 50 w T H 475 8627153 1 RING rear accum pistongouter oil seal 4 246 SPRING Reverse Brake Band 71 72 Ser 50 w T H 475 8623666 1 rear servo 71 72 Ser 50 w T H 475 8624391 1 rear accumulator 71 72 Ser 50 w T H 475 8623664 1 RETAINER rear servo 4 248 SCREEN ASSY PIPE Transmission Oil l 71 72 Ser 50 w T H 475 8627509 1 governor 71 72 Ser 50 w T H 475 8623157 2 PIPE governor oil 4 251 BAND ASSY Transmission r I 71 72 Ser 50 w T H 475 8 623123 1 front 4 256 GOVERNOR ASSY COVER GASKET GEAR UNIT PIN VALVE Transmission A 2 71 72 Ser 50 w T H 475 8627445 1 I 71 72 All w A T 540 T H 475 8623262 1 COVER governor 71 72 All w A T 540 T H 475 8623263 1 GASKET governor cover 71 72 Ser 50 w T H 475 8623924 1 GEAR UNIT w pin governor driven 71 72 Ser 50 w T H 475 862323 2 2 PIN gov weight n dia x 1 71 72 Ser 50 w T H 475 8627120 1 VALVE ASSY control 4 260 BOLT BOOT BRACKET BUMPER BUSHING END GASKET LENS ASSY LEVER ASSY PAD PEDAL ASSY PIN RELAY ASSY ROD SHAFT SLEEVE ASSY SPRING STOP SUPPORT ASSY SWITCH ASSY Retardmg Brake Control 71 72 All w P T 3910293A R 16 x 1 0 841 71 72 All w P T 3978839 1 BOOT retarder upper rod 0 797 71 72 All w P T 3900161 1 BRACKET pedal bumper 4 634 71 72 All w P T 3959768 1 BRACKET ASSY upper rod lever i 71 72 All w P T 340688 1 BUMPER pedal 0 829 71 72 All w P T 346382 2 BUSHING retarder pedal 0 831 71 72 All w P T 3782718 1 END pedal 2 u 0 L x dia 0 787 71 72 All w P T 3986224 1 LEVER ASSY retarder pedal 0 832 71 72 All w P T 1116920 1 RELAY ASSY brake alarm 2 815 4 71 72 All P T w air brakes 3889906 1 SLEEVE ASSY pedal 5 O L 4 634 71 72 All w P T 3889913 1 SPRING pull back 0 844 71 72 All w P T L 6401093 1 SWITCH ASSY alarm 4 262 CUP Retarding Brake Control 2 R 71 72 All w P T 5460429 1 CUP main cyl primary marked 1 4 654 4 265 VALVE BUSHING CONNECTOR GASKET PIN PLATE PLUG SOLENOID WASHER Main Valve 71 72 Ser 50 w T H 475 8623592 1 control manual 4 71 72 Ser 50 w T H 475 8627120 1 VALVE ASSY control 71 72 Ser 50 w T H 475 8625902 1 BUSHING w valve regulator booster 71 72 Ser 50 w T H 475 8626252 1 CONNECTOR solenoid sleeve 71 72 Ser 50 w T H 475 8623561 1 GASK ET trans control valve body to transfer plate 4 71 72 Ser 50 w T H 475 8623741 1 GASKET solenoid valve 71 72 Ser 50 w T H 475 8623563 1 i GASKET trans case to transfer plate J upper GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM 4 241 4 265 4 152 REV 5 79