GM Service Manual Online
For 1990-2009 cars

RPO

Description

AA2

Window: Tinted, Unshaded

ANZ

Seat: Full Width

AN8

Seat: Front Bucket, Low Back, Driver

AQQ

Seat: Passenger Air, Low Back, Vinyl

AQR

Seat: Driver Air, High Back, Vinyl

AQS

Seat; Driver Air, Low Back, Vinyl National Cush-N-Aire

AQT

Seat: Driver Air, High Back, Vinyl

AQV

Seat: Driver Air, High Back, Cloth

AQ1

Seat: Passenger, Bucket, Low Back

ARD

Seat: Front Bucket, Low Back, Drivers, Self-Contained Air Suspension

ARE

Seat: Front Bucket, Low Back, Passenger, Self-Contained Air Suspension

ARF

Door Check, LH

ARG

Door Check, RH

ASA

Seat Front Bucket, Driver, High Back, Self Contained Air Susp.

ASE

Equipment Air Seat

AU3

Lock Control Side Drive, Electric

AU7

Key Common, Fleet

AWJ

Panel Trim, Front Doors

AX2

Key Common, Vehicular Unique

A11

Window: Tinted, All

A58

Seat: Passenger, Auxiliary, Two

A82

Restraint: Head

BPP

First Position Prop Hanger, BOC, Height A

BPQ

First Position Prop Hanger, BOC, Height B

BPS

First Position Prop Hanger, BOC, Height C

BPT

First Position Prop Hanger, BOC, Height D

BPU

First Position Prop Hanger, NON-BOC, Height A

BPV

First Position Prop Hanger, NON-BOC, Height B

BPW

First Position Prop Hanger, NON-BOC, Height C

BQC

Hood Fiberglass, Access Panels

BRW

First Position Prop Hanger, Forward BOC, Height A

BRX

First Position Prop Hanger, Forward BOC, Height B

BRY

First Position Prop Hanger, Forward BOC, Height C

BRZ

First Position Prop Hanger, Forward BOC, Height D

BTW

First Position Prop Hanger, Rearward BOC, Height A

BTX

First Position Prop Hanger, Rearward BOC, Height B

BTY

First Position Prop Hanger, Rearward BOC, Height C

BTZ

First Position Prop Hanger, Rearward BOC, Height D

BVB

Step, LH, Lowered 66 mm (2.6 in)

BVL

Steps LH Lowered-1 inch, Additional

BZA

Steps LH CAB Entry and Component Box, Lowered

BZC

Steps, RH, Lowered 66 mm (2.6 in)

CC4

Roof: Raised

CD4

Wiper System: Windshield, Pulse

CKD

Vehicle completely Knocked Down

CRI

Equipment Uplevel Crew Cab Trim

CRW

Equipment Crew Cab

CUP

Fire Extinguisher 2.75 lb or Equivalent

C95

Lamp: Interior, Roof, Courtesy, and Dual Reading

DC9

Mirror O/S LH and RH, Wide Load, l Remote Control, Electric Heated, Stainless Steel, with /Clearance Lamps

DFO

Mirror: Outside, LH and RH, 17.8x40.6 cm (7x16 in), SST

DF2

Mirror O/S LH and RH, Wide Load, Folding, Stainless Steel

DNA

Mirror: Outside, Dual West Coast Type Mirrors, Stainless Steel, Clearance Lights, 15.2x40.6 cm (6x16 in)

DNF

Mirror: Outside, Auxiliary, 127 mm (5 in) Spot, Dual, Delbar

DNN

Mirror: Outside, Dual Velvac® Heated, 15.2x40.6 cm (6 x 16 in), Stainless Steel

DPB

Mirror: Outside Dual, West Coast Type, Convex, 17.8x40.6 cm (7x16 in), Painted

DPK

Mirror O/S Dual, Velvac, SST, With Convex Lower Head.

DTE

Mirror: Auxiliary Outside, 20.3 cm (8 in) Spot, Dual, Retractable, SST

DTG

Mirror Auxiliary Outside, Sprague  Multi-Vex Painted

D21

Sunshade Windshield

D36

Mirror: Inside Rearview, Tilt

ED1

Wheelbase 136 inch

ED3

Wheelbase 211 inch

ED7

551 cm (217 in) Wheelbase

EG4

Wheelbase 157 inch

EK1

Wheelbase 181 inch

EL4

490 cm (193 in) Wheelbase

EL8

500 cm (197 in) Wheelbase

EM1

Wheelbase 199 inch

EP7

Wheelbase 223 inch

EP9

Wheelbase 225 inch

EQ4

Wheelbase 229 inch

ERA

Second Position Prop Hanger, Height A

ERB

Second Position Prop Hanger, Height B

ERC

Second Position Prop Hanger, Height C

ER7

612 cm (241 in) Wheelbase

ES2

622 cm (245 in) Wheelbase

ET1

Wheelbase 253 inch

ET7

658 cm (259 in) Wheelbase

EV3

Wheelbase 273 inch

EV9

Suspension: Attach Bolted

EW2

Wheelbase 281 inch

EY1

Yoke: Propeller Shaft, Driveline, Dana®

E28

Handle Assist

FD0

Frame: Rail, Full Depth, 612x15 cm (241x6 in), 22680 kg (50,000 lb)

FD5

Frame: Rail, Full Depth, 622x20 cm (24x8 in), 36288 kg (80,000 lb)

FF1

Hub: Front, Oil-Filled

FH4

Axle: Front, 7258 kg (16,000 lb)

FK9

Suspension Front 4090 KG Multileaf

FL1

Axle: Front, 3674 kg (8,100 lb)

FL2

Axle: Front, 4 990 kg (11,000 lb)

FL3

Axle: Front, 6 623 kg (14,600 lb)

FM0

Suspension: Front, Multileaf, 6 623 kg (14,600 lb)

FM1

Suspension Front 18000 lb, Multileaf

FNE

Equipment H.D. Frame Crossmember (Taperleaf RR Suspension)

FNV

445 cm (175 in) Wheelbase

FN0

Suspension: Front, Taperleaf, 4 989 kg, (11,000 lb)

FPC

Equipment Front GVW Rating (16000#)

FPJ

338 cm (133 in) Wheelbase

FPO

Wheelbase 163 inch

FPP

Wheelbase 163 inch

FPQ

Wheelbase 203 inch

FQX

Wheelbase 145 inch

FRP

Wheelbase 235 inch

FSA

Reinforcement Frame O/S, Inv L Type, 80K, Extended

FSC

Reinforcement Frame, O/S, Invert L Type, 110K, Extended

FSD

Axle: Front 14600 LB

FSE

Stop Bump, Front Axle

FSG

Extension Brackets, Front Bumper, 2 inch

FSJ

Extension Brackets, Front Bumper, 5 inch

FSK

Equipment Restricted Front Axle Turn

FS7

Axle: Front, 5 443 kg (12,000 lb) HD

FUC

Frame: Extension, 61 cm (24 in) Integral Front

FWN

475 cm (187 in) Wheelbase

F02

Frame: Rail, Full Depth, 696x25 cm (274x10 in), 49 896 kg (110,000 lb)

F08

Reinforcement: Frame, Outside, Inverted L Type, 36 288 kg (80,000 lb)

F12

Suspension: Front, Tapered Leaf, 3 175 kg (7,000 lb)

F14

Suspension: Front, Tapered Leaf, 3 674 kg (8,100 lb)

F15

Suspension: Front, Tapered Leaf, 4 082 kg (9,000 lb)

F20

Reinforcement: Frame, Outside, Inverted L Type, 49 896 kg (110,000 lb)

F26

Suspension: Front, Tapered Leaf, 5 443 kg (12,000 lb)

F28

Suspension: Front, Multileaf, 7 258 kg (16,000 lb)

F39

Suspension: Front, Tapered Leaf, 2 654 kg (5,850 lb)

F59

Stabilizer Shaft: Front

GG0

Suspension: Rear, Multileaf, 6 804 kg (15,000 lb)

GG7

Suspension: Rear, Tapered Leaf 7 666 kg (16,900 lb)

GG8

Spring: Rear Auxiliary, Multileaf, 2 041 kg (4,500 lb)

GJ4

Axle: Rear, 11 794 kg (26,000 lb), Eaton® 26085T, Two Speed

GNS

Suspension: Rear, 18 144 kg (40,000 lb), Hendrickson RT400

GN0

Suspension: Rear, Multileaf, 8 618 kg (19,000 lb)

GN1

Stabilizer Shaft: Rear

GN2

Suspension: Rear, Tapered Leaf, 8 618 kg (19,000 lb)

GN8

Suspension: Rear, Multileaf, 9 526 kg (21,000 lb)

GPG

Vehicle: Low Profile Package

GPL

Suspension Rear 40, 000 LB, Hend RS400, Rubber Bushing, 52 inch Beam

GPN

Vehicle Garbage Packer

GP0

Suspension: Rear, Tapered Leaf, 10 433 kg (23,000 lb)

GPR

Suspension Rear Hendrickson RTE400, 40000# CAP, 52 inch Beams W/Bronze Center Bushing

GP1

Suspension: Rear, Multileaf, 10 660 kg (23,500 lb)

GP9

Suspension: Rear, Taperleaf, 8 097 kg (17,850 lb)

GQB

Third Position Prop Hanger, Height A

GQC

Third Position Prop Hanger, Height B

GQD

Third Position Prop Hanger, Height C

GQ3

Suspension: Rear, Multileaf, 14 062 kg (31,000 lb)

GRW

Grille: Radiator Mounted

GR9

Suspension: Rear, Tapered Leaf, 9 526 kg (21,000 lb)

GSA

Suspension: Rear, 20 866 kg (46,000 lb), Hendrickson RT460

GSD

Suspension: Rear 40,000 LB, Hend RTE400 18, 200 KG, Rubber Bush, 6 inch Beams

GSH

Suspension: Rear, 132 cm (52 in) Beam, 15 422 kg (34,000 lb), Hendrickson U340

GSJ

Suspension Rear 21,000 LB, Air

GYN

Suspension Rear 23,000 lb Capacity, Radius Leaf

GZG

GVW Rating 19,500 lb

GZH

Suspension Rear 12,000 lb, Tapered Leaf

GZI

GVW Rating: 11 771 kg (25,950 lb)

GZJ

GVW Rating: 8 165 kg (18,000 lb)

GZK

Suspension Rear Hend RT400, 40,000 lb, Rub Bush, 52 inch Beam, w/Trans Torque Rods

GZL

GVW Rating 19,800 lb.

GZM

GVW Rating 16,950 lb

GZT

Provisions for Taperleaf/Multileaf Rear Springs

G12

Suspension Rear Air 12,000 lb

G40

Suspension: Rear Air, 8 618 kg (19,000 lb)

G45

Suspension Rear Air, 23,000 lb

G60

Spring: Rear, Auxiliary

G68

Shock Absorbers: Rear, Heavy Duty

G86

Axle: Limited Slip

G98

Seal: Rear Axle Oil, Stemco®

HNA

Axle: Rear, Eaton® 23105S, Single Speed, 10 433 kg (23,000 lb)

HNG

Axle Rear Eaton 23431 Single Speed, 23,000 lb CAP

HPA

Axle: Rear, Eaton® 26105S, Single Speed, 11 794 kg (26,000 lb)

HPD

Axle: Rear, Eaton® DS454P, Single Speed, 20 412 kg (45,000 lb)

HPE

Axle: Rear, Eaton® DS404, Single Speed, 18 144 kg (40,000 lb)

HPG

Axle: Rear, Eaton® 22060S, Two Speed, 9 979 kg (22,000 lb)

HPH

Axle: Rear, Eaton® 22060T, Two Speed, 9 979 kg (22,000 lb)

HPI

Axle: Rear, Eaton® DS344, Single Speed, 15 422 kg (34,000 lb)

HPJ

Axle: Rear, Eaton® DS344, Two Speed, 15 422 kg (34,000 lb)

HPK

Axle: Rear, Eaton® 19000, Two Speed, 8 618 kg (19,000 lb)

HPL

Axle: Rear, Eaton® 19060D, Single Speed, 8 618 kg (19,000 lb)

HPM

Axle: Rear, Eaton® 19060T, Two Speed, 8 618 kg (19,000 lb)

HPN

Axle: Rear, Eaton® 21060T, Single Speed, 9 526 kg (21,000 lb)

HPP

Axle: Rear, Eaton® 21060S, Single Speed, 9 526 kg (21,000 lb)

HPQ

Axle: Rear, Eaton® 23080S, Single Speed, 10 433 kg (23,000 lb)

HPZ

Control: Rear Axle Shift, Two Speed, Electric

HR1

Control: Rear Axle Shift, Full Air, I/P Mounted

HR2

Control Rear Axle Shift, Full Air, Trans LVR Mounted.

HVQ

Axle Rear 26,000 lb, EATON 26080P

HXB

Axle: Rear, Eaton® 19060S, Single Speed, 8 097 kg (17,850 lb)

HXC

Axle: Rear, Eaton® 1060S, Single Speed, 7 666 kg (16,900 lb)

HZZ

Provisions RR Axle Diff Lk

H08

Axle: Rear, Dana® S150-S, Single Speed, 6 804  kg (15,000 lb)

H10

Axle: Rear, Eaton® 15040S, Single Speed, 6 804 kg (15,000 lb)

H14

Axle: Rear, Rockwell RS-23160, Single Speed, 10 433 kg (23,000 lb)

H15

Axle: Rear, Eaton® 21060T, Two Speed, 9 526 kg (21,000 lb)

H17

Axle: Rear, Eaton® 19050T, Two Speed, 8 616 kg (19,000 lb)

H20

Axle: Rear, Eaton® 23080T, Two Speed, 10 433 kg (23,000 lb)

JE3

Brake: Hydraulic

JE4

Brake: Air

JE5

Braking System: Antilock

JNC

Equipment: Four Piston Rear Disc Brakes

JNM

Cord Drain Valve

JNW

Equipment RR Brake Chamber Brand Ancorloc Life Seal

JNX

Valve: Tractor Parking Brake Control

JPT

Tank Air, Relocate, RH Side

JPV

Brake Rating: Rear, Air Carlisle, NAB9ML, Non-Asbestos Lining, 14 cm (5.5 in) Slack, 42x178 cm (16.5x7 in) Fab Shoe, 16 Hole Mounting

JPX

Tank Air, Relocate, Beverage Special

JPZ

Valve: Air Suspension, Air Release

JQB

Universal Joint: Main, 1480/148N Series

JQF

Adjuster: Rear Slack, Automatic, Rockwell®

JQJ

Joint Customer Preference Universal

JQM

Universal Joint: Main, 1710/17N Series

JQN

Universal Joint: Inter-Axle, 1710/17N Series

JQP

Universal Joint: Main, 1550/155N Series

JQQ

Universal Joint: Main, 1710/17N Series, HD Tube

JQR

Universal Joint: Main, 1610/161N Series

JQT

Equipment RR Brake Chamber Brand, MGM (Model TR-TS)

JQZ

Brake Rating: Front, Air Abex, 931-162 Non-Asbestos Lining, 14 cm (5.5 in) Slack, 42 cm x 15 cm (16.5 in x 6 in) Fab Shoe, 8 Hole Mounting

JRA

Universal Joint: Inter Axle, 1610/161N Series

JRC

Provisions Brake Adjusters - Lube for Life

JRF

Shield: Rear Brakes, Dust

JRG

Brake Rating Frt Air Abex 197, Non-Asbestos Lining 5.5  in) Slack 15 x 4, Fab shoe & 4 or 8 hole mtg

JRH

Brake rating Frt Air Abex 197, Non-Asbestos Lining, 5.5 in) Slack 16.5x5, Fab. Shoe & 8 hole mtg.

JRI

Brake Rating RR Air Abex 197, Non-Asbestos Lining ,5.5 in) Slack 16.5x7,  Fab. Shoe, 10 hole mtg

JRJ

Brake Rating: Rear, Air Carlisle, NAB456, Non-Asbestos Lined, 15 cm (6 in) Slack, 42x18 cm (16.5x7 in) Cast Shoe, 16 Hole Mounting

JRO

Brake Rating RR Air ABEX 197, Non-Asbestos Lining, 5.5 in Slack 16.5x7, Fab. Shoe, 16 Hole MTG

JRW

Guards Propshaft

JTF

Brake Adjuster Front Slack, Rockwell® Manual

JTG

Brake Adjuster Rear Slack, Rockwell® Manual

JTJ

Brake Adjuster RR Slack, Eaton Automatic

JTK

Brake Adjuster: Front Slack, Eaton® Automatic

JTM

Tank Air, Relocate, Under Cab

JTT

Air Dryer B/W Model, AD9 Heated, Brake Air Tank

JTU

Air Dryer Heated, Brake Air Tank, Premium

JUE

Brake Adjuster: Front Slack, Rockwell® Automatic

JUZ

Equipment RR Brake Chamber Brand, MGM E-Series

JVA

Provisions Antilock Brake Delete

JXD

Joint: Main, 1750/176N Series, Heavy Duty Tube

JXG

Valve: Air Brake Moisture Ejector, B/W DV2, Heated, Front

JYV

Brake Provisions Full Trailer

JZC

Chamber: Front Brake, Type 16

JZD

Chamber: Front Brake, Type 20

JZE

Chamber: Front Brake, Type 24

JZF

Chamber: Rear Brake, Type 30

J69

Parking Brake: Mechanically Operated, Lok

J71

Parking Brake: Power Operated

J78

Valve: Moisture Ejector Air Brake

J82

Valve: Front Air Brake, Limiting

J91

Brake Provisions: Trailer

KA2

Heater Engine Block, Phillips 115V, 1500 Watt

KA4

Engine Coolant Heater: 120V, 1000 Watt W/Cord

KC1

Filter: Oil, Luberfiner 750C

KG3

Generator: 145 AMP

KG8

Generator: 130 AMP

KNB

Air Cleaner: Dry

KPJ

Engine Shutdown: Automatic

KPS

Oil Cooler: Engine

KQR

Starter: HD, Overcrank Protection

KRG

Air Cleaner: Dry Inside Type

KRW

Hose: Radiator, Silicone

KTE

Injector: Ether, Start System

KUK

Separator Fuel/Water- Racor, Cold Weather, Non- Heated

KUM

Provisions: Receptacle, Component Box

KUN

Separator, Fuel/Water, Davco, Heated, 200 Series

KUS

Air Cleaner: Dual Element

KUV

Air Compressor B/W, 13.2 CFM, Water Cooled for Accessory Drive

KUW

Fan Clutch Drive-Cold Weather

KVB

Hose: Water, Silicone, Except Radiator

KW1

Generator: 160 AMP

KYG

Air Intake: Air Compressor Plumbed to Engine Air Cleaner

KYR

Governor: Vehicle Speed, 105 km/h (65 mph)

KYY

Joint Manifold Intake Vacuum

KZW

Valve Air Introduction Diverter

KZX

Air Compressor: B/W, 13.2 CFM, Water Cooled

K05

Heater: Engine Coolant

K28

Filter: Fuel

K34

Cruise Control: Automatic, Electronic

K40

Engine Brake: Exhaust

K53

Fuel Sender Robust Fuel system

K60

Generator: 100 AMP

K67

Starter engine, Heavy Duty

K68

Generator: 105 AMP

LG5

Engine: 7.2l, GL, Turbo

L18

Engine: Gas 8 Cyl, 8.1 L, MFI

MB2

Plug: Transmission, Magnetic Filler

ME3

Transmission: Allison® MT643D, Automatic

ME5

Transmission: Allison® MT653DRD, Automatic

MF1

Transmission: Allison® AT545, Automatic

MK0

Transmission: Manual, 5-Speed, Eaton®, 7.22 1st, 1.39 4th, Direct Drive

MK8

Transmission: Manual, 7-Speed, Spicer, ES52-7B 10.09 1st, Direct Drive

MK9

Transmission: Manual, 5-Speed, Eaton®, 7.22 1st, 1.27 4th, Direct Drive

ML0

Transmission: Eaton® FS6105B, Manual 5-Speed

mm7

Transmission Manual 6 Speed Eaton BOOS SYNC, 9.01 1ST, 560 lb ft Direct Drive

mm8

Transmission Manual 6 Speed, Eaton BOOS SYNC, 9.01 1ST, 660 lb ft Direct Drive

MNC

Transmission: Manual, 5-Speed, Eaton®, 6.82 1st, 4th, Direct Drive

MNK

Transmission 5 Speed Automatic Allison, MD3060P W/PTO, Drive Gear

MNZ

Transmission: Allison MD3560P W/PTO, 5-Speed Automatic

MPD

Kit Shift Modify, 3RD Gear Hold

MPJ

Clutch, Cerametallic, 33 cm (13 in), Eaton® Valeo

MPK

Clutch 14"-2 Ceramic Pull Type Greasable Bearing

MPU

Transmission: Eaton® FS5005A, Manual, 5-Speed

MP8

Transmission: Allison® MD3060P W/PTO, Automatic

MSC

Transmission: Eaton® FS4005B, Manual, 5-Speed

MSG

Transmission: Eaton® FS4005A, Manual, 5-Speed

MS9

Transmission Manual 5 Speed, Eaton, 8.05 1st, D/Drive

MTA

Provisions: Fire Truck W/Split Shaft PTO

MTD

Clutch: 14-1 Cerametallic, Eaton-Valeo®, Pull Type

MTG

Provisions: Fire Truck W/Split Shaft

MTJ

Provisions: Fire Truck W/Split Shaft PTO

MTK

Provisions Refuse Trk, Auto Neutral

MTO

Cable Clutch-Felsted

MTP

Transmission: Allison® MD3560P W/PTO, Automatic

MTW

Transmission Automatic 5 Speed, Allison, LCT 2400, W/PTO Drive Gear and Park Pawl

MT3

Transmission Manual 10 Spd, Eaton RT8908LL, D/Drive

MUQ

Control Shift: Automatic Transmission, Steering Column Mounted

MUR

Control Shift: Automatic Transmission, I/P Mounted

MUT

Transmission Manual 9 Speed, Eaton® RT6609, Direct Drive

MUY

Provisions Sewer Cleaning Truck

MUZ

Transmission Oil Filter

MWE

Pilot Shaft: Automatic Transmission, No Spline

MWF

Pilot Shaft: Automatic Electric Transmission, No Spline

MWM

Clutch Spicer® 14-1 Cerametallic Pull Type Greasable Bearing

MWW

Pilot Shaft Transmission, 44.45 mm (1.75 in) Spline

MWX

Pilot Shaft: Transmission, 38.1 mm (1.5 in) Spline

MXD

Provisions Lubrication, Clutch

MX4

Transmission Auto 5 SPD, Allison, LCT 2000, 3.51 1st, 1.00 4th 0.73 5TH, O/D, CONV Clutch

MZE

Clutch: 35.6 cm (14 in) - 2 Pull Type, Cerametallic

M69

Transmission Manual 6 Spd, Eaton, FS08306, 6.62 1st, O/D

NB5

Exhaust System: Single

ND5

Fuel Tank: 189L (50 Gal), LH, Rectangular Step

NE5

Fuel Tank: 189L (50 Gal), RH, Rectangular Step

NE6

Fuel Tank: 189L (50 Gal), Dual Rectangular Step

NJ2

Fuel Tank: Temporary

NM8

Leaded Fuel System: Compatible

NPD

Rain Cap: Exhaust Stack

NPT

Exhaust System: Single Horizontal Muffler w/Vertical Tailpipe, Right Hand Cab Mounted

NPY

Exhaust System: Single Horizontal Muffler w/Vertical Tailpipe, Left Hand Cab Mounted

NP5

Steering Wheel: Leather Wrapped

NQC

Fuel Tank: 132.5 L (35 Gal), 28x61 cm (11x24 in), Dual Rectangular, Integral Step

NRZ

Exhaust Emission Control: Diesel, W/O Converter

NWB

Separator: Racor Spin-On, Fuel/Water

NWD

Exhaust Modification, Increased Ground Clearance

NWE

Fuel Tank RH RECT 35 GAL, 25x15, Includes Step

NWR

Cab Reinforcements-Dual Vert Exhaust

NXM

Fuel Additional-10 Gallons

NXN

Fuel: 57 L (15 Gal) Additional

NXW

Steering: Power, Midland Ross

N33

Steering Column: Tilt Type

N40

Steering: Power, Non-Variable Ratio

PNB

Wheel: Polished Aluminum, Both Sides, Rear

PNQ

Angle: Rear Axle Pinion, Nominal 3°

PNR

Angle: Rear Axle Pinion, Nominal 4°

PNS

Angle: Rear Axle Pinion, Nominal 5°

PNX

Angle: Rear Axle Pinion, Nominal 6°

PNY

Angle: Rear Axle Pinion, Nominal 7°

PQA

Wheel: Front, Generic Aluminum/Thick Disc Slt, 10 Hole, 287.75 mm (11.25 in) BC BS, Disc

PQB

Wheel: Front, Generic Steel, 10 Hole, 287.75 mm (11.25 in) BC BS, Disc

PQC

Wheel: Rear, Aluminum, 10 Hole Disc, 287.75 mm (11.25 in) BC BS

PQD

Wheel: Rear, Generic Steel, 10 Hole Disc, 11.25 BC BS

PQJ

Wheel: Front, Cast, 20 x 22.5

PQK

Wheel: Rear, Cast, 20 x 22.5

PQN

Tank Fuel, Natural Gas, 76 L (20 Gal) Equivalent

PQR

Wheel: Front Generic, 8 Hole, 275 mm (10.8 in), BC, FN

PQS

Wheel: Rear Generic, 8 Hole Disc, 275 mm (10.8 in) BC, FN

PQU

Wheel: Front, Generic Steel, 10 Hole, 287.75 mm (11.25 in), BC Piloted, Disc

PQV

Wheel: Rear, Generic Steel, 10 Hole, 287.75 mm (11.25 in), BC, Piloted, Disc

PQY

Wheel: Front, Generic Steel, 10 Hole, 287.75 mm (11.25 in), BC, Piloted

PQZ

Wheel: Rear, Generic Steel, 10 Hole, 287.75 mm (11.25 in), BC, Piloted

PST

Color: Var. 1, Two-Tone, Scheme Z

PTO

Provisions Power Take Off Controls

PVA

Paint Process Wheels, Pre-Painted, White

PVB

Fuel Tank: RH, 227 L (60 Gal), Integral Step

PVC

Fuel Basket, Anti-Syphon

PVE

Fuel Tank 227 L, 60 Gal, LH, Rect. 25 x 15, INT Step

PVG

Wheel Front Generic 8 Hole, 275 mm BC FN Alum/Thick Disc

PVH

Wheel Rear Generic 8 Hole, 275 mm BC FN Alum/Thick Disc

PVM

Tank Fuel, Natural Gas, 3600 PSI, 30 Equivalent Gallon Gasoline Capacity

PVP

Paint Process Wheels, Pre-Painted, White Powder Coat

PZB

Fuel Tank: LH, Rectangular, Step, 133 L (35 Gal)

P50

Tires Customer Property, Front

P51

Tires Customer Property, Rear

P52

Tires Customer Property, Spare

P53

Tire Tread, Spare Tread and Brand, Front Match

P54

Tire Tread, Spare Tread and Brand, Rear Match

QA5

Wheel: Front, 22.5x9.0, 10 Stud, 287.75 mm (11.25 in) BC BS Type MTG, 3.75 Offset

QE5

Odometer Rear Axle Hub

QH3

Wheel: Front, 22.5x7.50, 10 Hole, 287.75 mm (11.25 in) BC, FN, Hub Piloted

QH4

Wheel: Rear, 22.5x7.50, 10 Hole, 287.75 mm (11.25 in) BC, FN, Hub Piloted

QH8

Wheel: Front, 22.5x9.00, 10 Hole, 287.75 mm (11.25 in) BC, FN, Hub Piloted

QJ3

Wheel: Front, 20x8, 5° Rim

QJ4

Wheel: Rear, 20x8, 5° Rim

QK1

Wheel: Front, 20x7.5, 5° Rim

QK2

Wheel: Rear, 20x7.5, 5° Rim

QM1

Wheel: Front, 22.5x7.5, Rim DCT

QM2

Wheel: Rear, 22.5x7.5, Rim DCT

QM6

Wheel: Front, 22.5x8.25, Rim DCT

QM7

Wheel: Rear, 22.5x8.25, Rim DCT

Q21

Wheel Spacer Rear, 4 inch

Q8C

Cap Valve, Tire, Air-Thru

Q8D

Mud Flaps Front

Q8G

Mud Flaps Front-Extended

Q82

Wheel: Front, 19.5x6.0, 8 Hole, 275 mm (10.8 in), BC, FN

Q83

Wheel: Rear, 19.5x6.0, 8 Hole, 275 mm (10.8 in), BC, FN

Q86

Wheel Front 22.5x8.25, 10 Hole, 285.75 mm BC, Piloted Hub - Accuride 28408

Q87

Wheel Rear 22.5x8.25, 10 Hole, 285.75 mm BC, Piloted Hub - Accuride 28408

RHL

Wheel: Front, 22.5x9.0. Rim DCT

RLE

Wheel: Front, 22.5x7.5, 10 Hole, 287.75 mm (11.25 in) BC, BS, DCT, BAL, (FI-27403)

RLF

Wheel: Rear, 22.5x7.5, 10 Hole, 287.75 mm (11.25  in) BC BS, DCT, BAL, (FI-27403)

RNB

Wheel Front 24.5x8.25, 10 Hole, 285.75 mm BC Piloted Hub Alum (Accuride 29137)

RNH

Wheel Front 22.5x8.25, 10 Hole, 285.75 mm BC Piloted Hub Aluminum (AKW RA29555)

RNN

Wheel RR 22.5x8.25, 10 Hole, 285.75 mm BC Piloted Hub Aluminum (AKW RA29555)

RNP

Wheel Front 24.5x8.25, 10 Hole, 285.7 mm BC, Piloted Hub (Accuride 28641)

RNQ

Wheel Rear 24.5x8.25, 10 Hole, 285.7 mm BC, Piloted Hub (Accuride 28641)

RPF

Wheel Front 22.5x8.25, 10 Hole, 11.25 BC BS DCT

RPG

Equipment Wheel and Drum, 6 Spoke 20 inch Cast

RPM

Wheel Front 19.5 x 6.75, 8 Hole 275 mm BC FN, 5.55, Offset, Alcoa Alum

RPQ

Wheel: Front, 22.5x8.25, 10 Hole, 285.75 mm (11.25 in) BC, Piloted Hub

RPR

Wheel: Rear, 22.5x8.25, 10 Hole, 285.75 mm (11.25 in) BC, Piloted Hub

RPS

Wheel Front 22.5x7.5 10 Hole 11.25 BC BS DCT ALM (Accuride)

RPT

Wheel Rear 22.5x7.5 10 Hole 11.25 BC DCT ALM (Accuride)

RPW

Wheel Rear 19.5x6.75, 8 Hole 275 mm BC FN, 5.55, Offset, Alcoa Alum

RQ2

Vehicle Application: Truck Service

RQ3

Vehicle Application: Truck-Tractor Service

RRS

Wheel: Front, 22.5x8.25, 10 Hole, 285.75 mm (11.25 in) BC BS, DCT, (FI-27404)

RRT

Wheel: Rear, 22.5x8.25, 10 Hole, 285.75 mm (11.25 in) BC, BS, DCT (FI-27404)

R3B

Front Tire: Extra Strength Highway Tread

R3C

Front Tire: Premium Highway Tread

R3D

Front Tire: Premium Highway Tread

R3E

Front Tire: Highway Off-Road

R3F

Front Tire: Off-Road Tread

R3H

Front Tire: Highway Traction Tread

R3J

Front Tire: Highway Traction Block Tread

R3K

Front Tire: On/Off Road Rib Tread

R3L

Front Tire: Off-Road Traction Tread

R3M

Front Tire: All Season Tread

R3N

Front Tire: Premium Highway Improved Steering Control Tread

R3S

Tire Tread Front Highway RIB-XRV

R3T

Tire Tread Front On/Off Road Traction-Directional

R4A

Front Tire Brand: Goodyear

R4H

Front Tire Brand: General

R4L

Front Tire Brand: Michelin

R4N

Front Tire Brand: Bridgestone

R4R

Front Tire Brand: Select, Brand Plant

SGA

Wheel: Additional, Rear Spare

SMA

Spacer Pack: Right Spring Cab Leveling, +10 mm (+0.374 in)

SMB

Spacer Pack: Right Spring Cab Leveling, +0 mm (+0 in)

SMC

Spacer Pack: Right Spring Cab Leveling, -10 mm (-0.374 in)

SMD

Spacer Pack: Right Spring Cab Leveling, -20 mm (-.787 in)

SNF

Wheel: Front, Spare

SNR

Wheel: Rear, Spare

SRV

Tires, Additional Rear Spare

SVA

Holder Cup

S3B

Tire Tread: Rear, Extra Strength Highway

S3C

Tire Tread: Rear, Premium Highway

S3D

Tire Tread: Rear, Highway Premium

S3E

Tire Tread: Rear, On/Off Road Highway

S3F

Tire Tread: Rear, Off Road Rolling

S3H

Tire Tread: Rear, Highway

S3J

Tire Tread: Rear, Highway Traction

S3K

Tire Tread: Rear, On/Off Road Rib

S3L

Tire Tread: Rear, Off Road Traction

S3M

Tire Tread: Rear, All Season

S3P

Tire Tread Rear Highway Traction-Directional

S3R

Tire Tread Rear Highway Traction-Directional

S3S

Tire Tread Rear Highway RIB-XRV

S3T

Tire Tread Rear On/Off Road Traction-Directional

S4A

Rear Tire Brand: Goodyear

S4C

Rear Tire Brand: Dunlop

S4H

Rear Tire Brand: General

S4L

Rear Tire Brand: Michelin

S4N

Rear Tire Brand: Bridgestone

S4R

Rear Tire: Select, Brand Plant

S4T

Rear Tire Brand: Yokohama

TM0

Battery: Dual

TM1

Battery: Single

TM2

Battery: Single, Delco® Freedom

TNL

Battery: Twin, 12V (1110)

TNN

Battery: Twin, Delco® 1150, 12V

TNQ

Battery: Delco® 1150

TNR

Battery: Three, Delco® 1150, 12V

TPL

Battery: 750 CCA, Delco® 1110

TRF

Tires: Front, Radial Identifier

TRG

Tire Selection, Customer Brand

TRH

Tire Selection, Customer Brand

TRR

Tires: Rear, Radial Identifier

TRZ

Equipment Air Shift Transmission

T40

Hood Sloped

T50

Hood Special Application

UEJ

Provisions Battery Positive Aux Feed

UEK

Switch, Hazard Warning

UEP

Provisions, Jump Start Aid

UER

Equipment: Tachometer and Engine Alarm

UET

Indicator, Electronic Transmission, Oil Level

UF3

High Idle Switch

UH2

Indicator: Seat Belt Warning

UM6

Radio: AM/FM Stereo, Seek & Scan, Auto Rev Cassette, Clock, ETR

UM7

Radio: AM/FM Stereo, Seek & Scan, Clock, ETR

UNE

Switch Transmission Interlock

UNK

Provisions Anti-Lock Brake Wiring Harness (Additional 6 Ft Length)

UPM

Gage: Filterminder, Air Cleaner Restriction, Dash Mounted

UUE

Horn: Air, Single Dual Trumpet

UWK

Wiring Provisions Body Marker Lamp

UXB

Wiring Harness: Trailer, 7-Wire, Generic

UXQ

Gage: Metric package

UXT

Gage: Transmission Temperature

UXZ

Radio Provisions

UZF

Alarm B/U Electrical, 97 Decibels

U08

Horn: Dual Electric

U16

Tachometer: Engine

U37

Lighter: Cigarette

U86

Wiring Harness: Full Trailer, 7-Wire

VB5

Bumper: Front, Painted, Plastic End Caps

VCD

Provisions Battery Taper Post

VCE

Provisions Tail Lamp

VCF

Provisions Engine Tachograph

VCG

Provision International switch/control symbols

VCH

Provision Jack & Fire Extinguisher

VCI

Provisions Vehicle ID Plate

VCK

Provisions Test Ports-Air Brake System

VH4

Mud Flaps

VPG

Cable: Trailer Jumper Cable , 7-Wire, 12-foot, Synflex Coiled

VQB

Bumper: Front, Swept Back Channel

VWN

Hook: Tow, Rear, Bolt On

VXF

Vehicle Fire Fighting

V01

Radiator: Heavy Duty

V04

Shutters, Radiator

V10

Provision Options: Cold Climate

V14

Transmission: Cooler Oil

V46

Bumper: Chrome, Front

V66

PTO: Provisions For

V71

Plate inscription Series 6500

V72

Plate Inscription Series 5500

V74

Plate inscription Series 7500

V75

Plate Inscription Series 8500

V76

Hook: Tow

WHX

Reinforcement Frame O/S, INVL, Special 80K

XRL

Tire: Front, 235/80R22.5/G, 14PR, BL TL Radial

XRN

Tire: Front, 295/75R22.5/G, 14PR, BL TL Radial

XRV

Tire: Front, 285/75R24.5/G, 14PR, BL TL Radial

XSB

Tire: Front, 255/80R22.5/G, 14PR, BL TL Radial

XSH

Tire: Front, 275/80R24.5/G, 14PR, BL TL Radial

XSJ

Tire: Front, 275/80R24.5/G, 14PR, BL TL Radial

XSK

Tire: Front, 295/80R22.5/H, 16PR, BL TL Radial

XSL

Tire: Front,275/80R22.5/H ,16PR, BL TL Radial

XTB

Tire; Front

255/70r22.5/H, 16PR BL TL Radial

XTI

Tire: Front, 245/70R19.5/F, 12PR, BL TL Radial

XTN

Tire: Front, 225/70R19.5/F, BW, R/ST TL HWY

XTQ

Tire: Front, 245/75R22.5/G, BL TL Radial

XTU

Tire: Front, 265/75R22.5/G, BL TL Radial

XTY

Tire: Front, 245/70R19.5/G, 14PR, BL TL Radial

XUE

Tire: Front, 9.00R22.5/G, 12PR, BL Radial TL

XUN

Tire: Front, 9.00R20.0/F, 12PR, BL Radial TT

XWH

Tire: Front, 10.00R20/G, 14PR, BL Radial TT

XWJ

Tire: Front, 10.00R22.5/F, 12PR, BL Radial TL

XWK

Tire: Front, 10.00R22.5/G, 14PR, BL Radial TL

XWL

Tire: Front, 11.00-R22.5/G, 14PR, BL Radial TL

XWM

Tire: Front, 11.00R22.5/H, 16PR, BL Radial TL

XWN

Tire: Front, 315/80R22.5/J, 18PR, BL Radial TL

XWP

Tire: Front, 12.00R22.5/H, 16PR, BL Radial TL

XWR

Tire: Front, 315/80R22.5/L, 20PR, BL Radial TL

X5Z

Warranty: Engine Only, 80 450 km (50,000 mi)/3 Years

X6Y

Warranty: Engine Only, 80 450 km (50,000 mi)/4 Years

X62

Bumper: Front, Steel Channel Type

X80

Plate GVW Rating

X88

Name Plate: Chevrolet

X9K

Warranty: Engine Only, 160 900 km (100,000 mi)/4 Years

YE9

Convenience Package, Comfort and Decor

YG9

Warranty: Engine Only, 160 900 km (100,000 mi)/5 Years

YRL

Tire: Rear, 235/80R22.5/G, 14PR, BL TL Radial

YRN

Tire: Rear, 295/75R22.5/G, 14PR, BL TL Radial

YRP

Tire: Rear, 11.00R20/H, 16PR, BL Radial TT

YRV

Tire: Rear, 285/75R24.5/G, 14PR, BL TL Radial

YSB

Tire: Rear, 255/80R22.5/G, 14PR, BL TL Radial

YSH

Tire: Rear, 275/80R24.5/G, 14PR, BL TL Radial

YSJ

Tire: Rear, 275/80R24.5/G, 14PR, BL TL Radial

YSL

Tire: Rear, 275/80r22.5-H, 16PR BL TL Radial

YTB

Tire: Rear, 255/70R22.5/H, 16PR, BL TL Radial

YTI

Tire: Rear, 245/70R19.5/F, 12PR, BL TL Radial

YTN

Tire: Rear, 225/70R19.5/F, BW R/ST ST TL HWY

YTQ

Tire: Rear, 245/75R22.5/G, BL TL Radial

YTU

Tire: Rear, 265/75R22.5/G, BL TL Radial

YTY

Tire: Rear, 245/70R19.5/G, 14PR, BL TL Radial

YUE

Tire: Rear, 9.00R22.5/F, 12/PR, BL Radial TL

YUN

Tire: Rear, 9.00R20.0/F, 12PR, BL Radial TT

YU8

Wheel: Single, Polished Aluminum, One Side, Front

YWH

Tire: Rear, 10.00R20/G, 14PR, BL Radial TT

YWJ

Tire: Rear, 10.00R22.5/F, 12PR, BL Radial TL

YWK

Tire: Rear, 10.00R22.5/G, 14PR, BL Radial TL

YWL

Tire: Rear, 11.00R22.5/G, 14PR, BL Radial TL

YWM

Tire: Rear, 11.00R22.5/H, 16PR, BL Radial TL

YWP

Tire: Rear, 12.00R22.5/H, 16PR, BL Radial TL

YX6

Attachment Main Driveline One-Shaft System

YX7

Attachment Main Driveline Two-Shaft System

YX8

Attachment Main Driveline Three-Shaft System

YX9

Attachment Main Driveline Four-Shaft System

ZRL

Tire: Spare, 235/80R22.5/G, 14PR, BL TL Radial

ZRN

Tire: Spare, 295/75R22.5/G, 14PR, BL TL Radial

ZRP

Tire: Spare, 11.00R20/H, 16PR, BL Radial TT

ZRV

Tire: Spare, 285/75R24.5/G, 14PR, BL TL Radial

ZSB

Tire: Spare, 255/80R22.5/G, 14PR, BL Radial TL

ZSH

Tire: Spare 275/80R22.5/G, 14PR, BL Radial TL

ZSJ

Tire: Spare, 275/80R24.5/G, 14PR, BL Radial TL

ZSK

Tire: Spare, 295/80R22.5/H, 16PR, BL Radial TL

ZTB

Tire: Spare, 255/70R22.5/H, 16PR BL TL Radial

ZTI

Tire: Spare, 245/70R19.5/F, 12PR BL TL Radial

ZTN

Tire: Spare, 225/70R19.5/F, BW R/ST ST TL HWY

ZTQ

Tire: Spare, 245/75R22.5/F, BL TL Radial

ZTU

Tire: Spare, 265/75R22.5/G, BL TL Radial

ZTY

Tire: Spare, 245/70R19.5/G PR BL Radial

ZUE

Tire: Spare 9.00R22.5/F, 12PR, BL TL Radial

ZUN

Tire: Spare, 9.00-20.0/F, 12PR, BL Radial TT

ZWH

Tire: Spare, 10.00R20/G, 14PR, BL Radial TT

ZWJ

Tire: Spare, 10.00R22.5/F, 12PR, BL Radial TT

ZWK

Tire: Spare, 10.00R22.5/G, 14PR, BL Radial TT

ZWL

Tire: Spare, 11.00R22.5/G, 14PR, BL Radial TT

ZWM

Tire: Spare, 11.00R22.5/H, 16PR, BL Radial TL

ZWN

Tire: Spare, 315/80R22.5J, 18PR, BL Radial TL

ZWP

Tire: Spare, 12.00R22.5/H, 16PR, BL Radial TL

ZWR

Tire: Spare, 315/80R22.5/I, 20PR, BL Radial TL

Z88

Conversion Name PLT GMTB

001

3.70 Ratio Code

002

4.11 Ratio Code

003

4.33 Ratio Code

004

4.78 Ratio Code

005

4.56 Ratio Code

006

4.63 Ratio Code

008

4.88 Ratio Code

009

5.29 Ratio Code

010

5.43 Ratio Code

011

5.57 Ratio Code

012

5.83 Ratio Code

013

3.73 Ratio Code

014

6.14 Ratio Code

015

6.17 Ratio Code

016

5.25 Ratio Code

017

6.50 Ratio Code

018

6.65 Ratio Code

019

6.67 Ratio Code

020

5.63 Ratio Code

021

6.83 Ratio Code

022

7.17 Ratio Code

034

3.54 Ratio Code

035

3.54 Ratio Code

036

6.57 Ratio Code

038

6.57 Ratio Code

039

3.55 Ratio Code

041

7.39 Ratio Code

045

5.91 Ratio Code

051

6.43 Ratio Code

057

3.36 Ratio Code

066

4.10 Ratio Code

069

3.90 Ratio Code

070

5.38 Ratio Code

071

3.91 Ratio Code

073

5.04 Ratio Code

086

9.08 Ratio Code

090

3.08 Ratio Code

092

4.30 Ratio Code

40P

Wheel Color White (91)

41P

Wheel Color Black (91)

5E6

ABS Name Plate

7Y4

Meter Engine, Hour

8M3

Swith Dome Light, R.H. Door Operated

8M7

Headlamps Substitution

8R8

Fuel Filter Spin Off (SEO)

9H6

Lamp Five, Roof Marker, Truck (SEO)