I GM09 0025 I 18 9 170 WASHER KIT THRUST COMPRESSOR I A 9956685 19 9 172 O RING CYLINDER TO SHELL 1 A L 6556590 I 9 282 OIL COMPRESSOR 5416939 20 9 170 SHELL COMPRESSOR 2724158 21 9 172 SEAL FRT HEAD TO CYLINDER 1 6556592 22 9 172 BEARING FRT HEAD MAIN 6556572 23 9 174 HEAD W BEARING FRT 3091989 24 N S SEAL SEAT O RING PART OF ITEM 31 A 25 9 175 RING SEALSEAT RETAINER 6556767 26 9 170 SEAL KIT SHAFT I V 27 N S SCREW W WASHER ASM FRT HEAD MOUNT I 28 9 172 PLATE VALVE A 6551141 29 9 172 RING VALVE PLATE RETAINING 6556589 r 30 9 222 SEAL SUCTION DISCH PORTS 1 V 5887997 31 9 170 SEAL KIT SHAFT INCL ITEM 24 2724319 NOTE 1 ALSO PART OF O RING KIT 9956746 GROUP 9 170 I I 1991 GENERAL MOTORS SERVICE PAFITS OPIERAT ONS LT TRUCK 526 I 1 91 I as 9 000 GRGUP