MT04 012 742 4 228 RING SERVO PSTN 73 8 975 SCREW HEX SOCKET 3 B 24X1 1 2 PL 74 8 915 NUT HEX 3 8 24 75 4 242 RING SERVO PSTN RET OUTER 76 4 241 GASKET LOW SERVO PSTN CVR 5 77 4 241 COVER SERVO PSTN 78 4 228 PISTON ASM SERVO 79 9 275 SWITCH TRANS OIL 3 I C L 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17W t ii 4 000 GROU P A V 4 68 6 9 1 s L