TX04 0657 301 4 265 VALVE CONTROL 1989 R2 05 I99O R3 43 W 5 7K NM8 1 4 888I 398 4 265 VALVE CONTROL 1989 R3 43 W 5 7K HEAVY DUTY SUSPENSIONJ990 EXC NM8 1 4 4 4 8681400 4 265 VALVE CONTROL 1990 R3 43 W 7 4N EXC NM8 I 8661515 4 265 VALVE CONTROL 1990 R2 0B R3 43 W 7 4N 1 8681518 4 265 VALVE CONTROL 1990 R 8 V3 43 W 7 4N EXC NM8 1 8661517 4 265 VALVE CONTROL 1990 R3 43 W 7 4N NM8 1 8561518 4 285 VALVE CONTROL 1990 R3 43 W 5 2J 1 8675774 4 265 VALVE CONTROL 1990 RV2 06 W 5 7K 1 8661409 4 265 VALVE CONTROL 1989 90 RV2 O6 W 5 7K EXC NM8 1 8661410 4 265 VALVE CONTROL 1989 90 RV3 43 W 5 7K EXC NM8 HEAVY DUTY FRAME 866 0 1 1 4 265 VALVE CONTROL 1990 RV3 43 V2 06 W 6 2J 1 8875778 4 265 VALVE CONTROL 1990 V2 3 W 5 7K NM8 1 8661398 4 265 VALVE CONTROL 1990 V3 W 7 4N NM8 1 8661518 4 265 VALVE CONTROL 1990 R3 43 W 7 4N 1 8661518 302 8 934 RING TYPE TE 25 1 9431762 303 4 228 PISTON FRONT ACCUMULATOR 1 8626883 304 4 229 RING ACCUMULATOR PISTON OIL SEAL 1 8623653 305 4 233 SPRING FRONT ACCUMULATOR PISTON 1 8623678 4 233 SPRING FRONT ACCUMULATOR PlSTON I986 C2 1 8623654 4 233 SPRING FRONT ACCUMULATOR FISTON 1989 90 1 8623654 4 233 SPRING FRONT ACCUMULATOR FISTON I987 90 5 7K 8 2J 7 N GREEN 1 8623674 4 233 SPRING FRONT ACCUMULATOR FISTON 1987 88 6 2J R2 R3 EXC HEAVY DUTY SUSF 1 8826775 4 233 SPRING FRONT ACCUMULATOR P STON I987 4 3Z 5 0H RV1 2 1 8625426 4 233 SPRING FRONT ACCUMULATOR FISTON 1989 90 RV1 2 1 8625426 4 233 SPRING FRONT ACCUMULATOR FISTON 1986 6 2 I 1 8624358 4 233 SPRING FRONT ACCUMULATOR PIS I ON 1987 90 8 2J W F44 HEAVY DUTY USP 1 8824258 4 233 SPRING FRONT ACCUMULATOR P TON 1990 7 4N EXC F44 1 8624258 4 233 SPRING FRONT ACCUMULATOR PI TON 1990 8 2J 7 4N RV2 06 RV3 I 8627631 308 4 285 PIN VALVE BODY PLUG RETAINING GROOVED 1 8625544 309 4 265 PLUG VALVE BORE 14 22MM DIA 1 8625546 310 N S VALVE 1 2 ACCUMULATOR 1 311 N S SPRING 1 2 ACCUMULATOR VALVE PRIMARY 1 312 N S SPRING 1 2 ACCUMULATOR VALVE SECONDARY 1 313 4 285 PIN VALVE BODY COILED SPR NG 1 8624482 314 4 285 PLUG VALVE BORE 50 1 8623295 3 315 N S VALVE DETENT 1 316 N S VALVE DETENT REGULATOR 1 317 4 285 PIN DETENT REGULATOR VALVE I 8823507 318 N S SPRING DETENT REGULATOR I 319 4 265 VALVE MANUAL I 8623592 320 N S BUSHING 1 2 MODULATOR VALVE 1 32I N S VALVE 1 2 REGULAR I 322 N S SPRING 1 2 REGULATOR VALVE 1 323 N S VALVE 1 2 DETENT 1 V 324 N S VALVE 1 2 1 325 N S SPRING I 2 MODULATOR VALVE 1 326 N S VALVE 1 2 MODULATOR 1 327 4 285 PIN VALVE BODY 1 32 INCH LONG 1 8823078 328 N S BUSHING 2 3 MODULATOR VALVE I 329 N S SPRING 2 3 VALVE OUTER 1 330 N S VALVE 2 3 MODULATOR 1 331 N S SPRING 2 3 VALVE INNER 1 332 N S VALVE 2 3 1 333 4 265 PIN VALVE BODY 82 INCH LONG 1 8822045 334 4 285 PLUG VALVE BORE 437 1 8623298 335 N S SPRING 3 2 VALVE I 336 4 285 PIN 3 2 CONTROL VALVE 23 32 INCH LONG 1 8625324 337 N S VALVE 3 2 1 A NOTE I ALSO PART OF TRANSMISSION ASSEMBLY SEE TRANSMISSION ASSEMBLY INDEX RPO DEFINITIONS F42 FRONT SUSPENSION SYSTEM HEAVY DUTY GT4 REAR AXLE 3 73 RATIO GT5 REAR AXLE 4 10 RATIO HC4 REAR AXLE 4 58 RATIO SINGLE SPEED NM8 EMISSION SYSTEM LEADED FUEL 1 1990 GENERAL MOTORS SERVICE PARTS 0PERAT ON L GHT TRUCK 52R 4 000 GROUP uz 9 90