RPO DESCRIPTION 1 RPO V DESCRIPTION X54 Engine Alarm System 1 0340 Front Springs 60000 1 X56 Front Bumper Construction V lncIudes Towing 0341 Front Springs 80000 1 Device V 1 0343 Front Shock Absorbers X57 Custom Interior Convenience Group Includes 0402 0 Single Speed Rear Axle GMC H150 15000 Seat Trim Roof Trim Sunshades Door Trim 0407 Single Speed Rear Axle GMC H150 150000 I and Floor Mat V VV V 1 0411 2 Speed Rear Axle GMC T150 150000 X58 1 Cab Insulation 1 1 1 0412 Single Speed Rear Axle GMC H1 35 135000 X59 Cab Heavy Duty Insulation V 0418 Auxiliary Rear Springs 30 D0 2 1 2 V Z12 Speedometer Driven Gear and Fitting 0419 Auxiliary Rear Springs 40000 3 l Z20 Engine Conversion K19 to Base Engines 0424 1 Single Speed Rear Axle Timken G161 160000 Z50 Heavy Duty V1Frame Reinforcement 1 0428 1 2 Speed Rear Axle Timken G361 160000 Z51 Heavy Duty 140000 GVW 0439 Rear Shock Absorbers V 252 Full Foam Seat i 0448 Rear Spring Heavy Duty 150000 2 1 2 1 V 1 Z53 Ammeter Oil Pressure and Temperature Gauge V 0449 Fl f 0009 H0 VV Dim 17500 l2 1 2 l 254 1 25 500GVW V V 0450 Rear Spring Heavy Duty 184000 3 il V zss speeiei vemeie Identification Number mate 1 0451 I Rear Spring Heavy Duty 208 0 1 l3 1 V Z56 1 1 2 Ton 150000 GVW V 1 0452 Rear Spring Heavy Duty 220000 3 1 Z57 Heavy Duty 240000 Gvw A V1 0461 i Single Speed Rear Axle Eaton E16121 170000 V Z59 Heavy Duty 210000 GVW 1 V 0466 2 Speed Rear Axle s GMC T150 150000 V Z60 Custom Includes Seat Trim Sunshade V 0407 2 P d 0 9 A d End 516221 17000 V Lighter Hub Caps R Window Gigs 0490 H150 Rear Axle with 15 x 5 Brakes H66d ining Duai Horns cou Hdoks and 0494 Single Speed RBS AXIB Ch8VfOlBt 170000 Hdm 810 9 Ring 0495 2 Speedililear Axle Chevrolet 170000 1 zei cuetem Appearance Includes Chrome Trim nee 1 0503 1 Semi Treller Breke e ri e I V 1 Gyiuel w M dg gdb 11 im 1 1 Saying 0506 Front Brake Limiting and Quick Release Valve y Wheel and Horn Ring 0508 Low Air Pressure Buzzer V Z62 Custom Comfort and Convenience Includes 1 0510 Vdcuum R V Tlmk I Foam Seat Nylon Trim Lighter Arrr nett 0519 Treeier Breel wev Valve errrl Trailer Erriereenev Door Lock Sunshade and Insulation Bl l 9 C ll l r V V 1 Z63 Cab 1 0520 Power Brakes 1 Z65 1 2 Unit Body V 0521 Full Air Brakes V V A Z67 Speedometer Driven Gear Adapter 1 0525 Heavy Duty Brake Booster 1 1 1 Z69 Motor Home Chassis Conversion V 4 V 0530 A Emergency Air Brake i Z70 3 4 Ton S cial 78000 GVW 1 0606 Engine Alarm System Z71 15000 GVW 1 Y 0613 Clutch 13 Heavy Duty 1 1 Z72 Vacuum Reserve Tank Gauge and Warning Light 0619 Clutch 12 Heavy Duty 1 Z73 Heavy Duty 50000 GVW 0659 62 Amp Generator 1 Z74 A Heavy Duty 200000 GVW r V0682 Engine DH468 1 I Z76 1 Heavy Duty 275000 GVW 1 0685 55 Amp Generator 1 V Z77 Heavy Duty 320000 GVW 0690 Engine Oil Cooler 1 Z78 Heavy Duty 410000 GVW V 1 0728 T ransmission 5 Speed New Process 540GL Z79 Heavy Duty 450000 GVW V 1 0729 Transmision 5 Speed New Process 540GL 281 Camper speesei iineiutiee ni o s1zs1 Z62 1V37 0741 Transmission 5 Speed New Pr cees 540G C42 C14 V60 D29 F59 F51 G60 md 0742 Transmission 5 Speed New Process 540GD 1 1 Tinted Windshield 1 V 0770 Transmission 4 Speed1 Two Shoe Hand Brake Z82 Heavy Duty 390000 GVW 1 0775 Transmission 4 Speed New Process 435 1 I Z84 Custom Sport Truck 01 Dual Vertical Exhaust V V 285 Heavy Duty 130001 Gvw 0802 20 Gallon Fuel Tank 1 I V 286 Hsgvy ptity 22000 gvw 0 V 803 30 Gallon Fuel Tank I Z88 GMC Conversion 1 i 0901 Hydraulic Power Steering ZJ8 Dual Rear Wheel Conversion 1 0902 S 09l ll l9 Wheel 22 1 0131 V stake Rack Body V 1006 22 5 x 6 00 Wheel 1 10 Bolt Disc Tubeless Seat e Qng Pasgenwr V X 6 m wh8 lV 1 BOl L TUb 0137 1 Ayuxiiidry Sdn 1 wd passdngdr V 1012 22 5 x 6 00 Wheel 6 Stud Disc Tubeless 0141 RH Door Safety Lock V 1013 22 5 X 6 75 Wheel 6 Stud Disc Tubalass 0142 cab corner windows 1 1015 20 x 6 00 Wheel 1 Heavy Duty 6 Stud Disc Tube 0143 Cab Red window pun width 1 1020 20 x 6 5 Wheel Cast Steel Firestone FL or Budd 1 01531 ruin Foam Seat Cushion I BWI T l e V 0154 1 11 pdam seat cushion 1 V 1025 K 22 5 x 6 75 Wheel Cast Steel Tubeless V 0150 Lgminated 61 V 1026 1 20 x 6 5 Wheel 5 Degree Cast Steel Tube 1 0153 Timed windshidid 18 1 1029 20 x 7 00 Wheel 5 Degree 1V0 Stud Disc Tube 0164 Qutgidg 1 1 3 View Mind Dual 6 X 16 1 1030 20 x 7 50 Wheel 5 Degree 4 10 Stud Disc Tube 0 0155 cdmpdnmeni Lddk innrument panel 1 V 1034 20 x 7 00 Wheel r Cast Steel Firestone FL or 0167 2 Speed W S Wiper and Washer 1 1 V V Budd BW Tube 0170 Interior Convenience Group Includes Arm Rest 1030 20 05 wh l l0 i Dbl r lFll 0 f l l0 Fl 1 Sunshade Seat Trim Trim Panels and Floor Budd BW V 1 1 M01 1037 20 x 7 0 Wheel 10 Stud Disc Firestone FL 1 0172 Insulation V V or Budd BW 1 0199 Heavy Duty Cab Lifting Tdrsidn Ba V 1038 20 Vx 7 5 Wheel 10 Stud Disc Firestone KFL 0202 Frame Reinforcement Outside Inverted L Type l Budd Bwl V 0210 1 Heavy Duty Frame 1041 Tire Carrier 0326 Front Springs 90000 1048 Spare Wheel 10 Bolt Disc Tubeless J 0334 Front Axle 50000 V 1049 Spere Wheel 10 BoIt Disc Tuba 0335 Front Axle 70000 1 i 1050 Spare Rim Tubeless GM PARTS DIVISION GENERAL MOTORS CORPORAT ON CHEVROLET 72TL V j 1 1 V I V 72 1V 1