l 1983 MASTER CYLINDER CHART Continued ky C K G P LT DUTY TRUCK BENDIX GROUP 6 7 I 9 10 SERVICE MASTER CYLINDER 4 650 l4l M115 25509416 26509930 14041663 14066425 REPAIR KIT 4 4 649 M 048440 1 5509843 2550943 2H9843 RESERVOIR DIAPIIRAGM KIT 4 651 MM53 RESERVOIR COVER 4 851 1401305 2550974l 2550974l I407l75Z WIIZIXB SECONDARY PISTON KIT 4 653 140348611 1588744 25509744 25509744 14034 8 PUSH ROD 4 858 RESERVOIR Bt GROMMET 4 651 BAIL WIRE 4 651 87 59164 25W9743 25509743 14I 496 6Z59l64 VALVE Fast Fill 4 651 PISTON Primary 4 653 l403491l7 l4071887 SEAL Primary Piston 0 Ring 4 654 SPRING Secondary Piston Retn 4 855 RETAINER Secondary Piston Pump Cup 4 654 CUP Secondary Piston Pump 4 664 CUP Secondary Piston Pressure 4 654 SEAL Secondary Piston 0 Ring 4 654 RING Primary Piston Retalning 4 656 274829 DIAPHRAGM 4 651 6Z59l63 25509742 25509742 6 9l63 SEAT Brake Pipe 4 661 3838083 ZBBUB3 3836083 RING Primary Piston Lock 4 656 9425516 9425516 BOLT Secondary Piston Stop 4 653 14004939 WB4939 RING Meter Spool Valve Ret 4 657 BOLT Reservoir Moundng 4 651 e POPPET Reservoir Hydraulic Control 4 657 SPRING Hydraulic Control Puppet 4 657 FLTER Hydraulic Control Poppet 4 657 SEAL Body 0 Ring 4 657 SPRING Primary Piston Retum 4 655 REPAIR KIT Hydrauuc Section 4 657 1st Dee used on Master Cylinder with numbers 1605 stamped on lront 2nd Des used on Master Cylinder with numbers I925 stamped on front WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORAT 0N LT TRUCK 5ZA REV 1 84 411 c 4 000 G RO UP