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2003 W22 Motor Home

2003 W22 Motor Home

Shop for Original Workhorse Custom Chassis Replacement Parts from an Authorized Workhorse Parts Dealer here. If you do not see what you are looking for here, please use the Contact Form and we would be happy to assist you to get the part(s) you need. (Please provide your VIN# and a detailed description of what you are looking for.)

Genuine Workhorse Parts

This year applies if the 10th digit of the VIN is "3"


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12572706 - Workhorse Oxygen Sensor (Pre Cat)

Part# 12572706Sold Individually! Applications: 2001 - 2010 Workhorse 8.1L Engines All Wor..

$140.87 $116.89

12575127  -  Tube Asm - Oil Filler (Lower) Discontinued Part

12575127 - Tube Asm - Oil Filler (Lower)

12575127  -  Tube Asm - Oil Filler (Lower)  ..

$49.37 $36.57

12575182 - Camshaft Position Sensor 01-03 8.1L Discontinued Part

12575182 - Camshaft Position Sensor 01-03 8.1L

Part# 12575182 - Camshaft Position Sensor 01-03 8.1LThis sensor is no longer available. We reco..

$320.23 $237.21

12575182-UPDATE - Camshaft Position Sensor Update Kit For 2001-2003 GM 8.1L

Part# 12575182-Update - Camshaft Position Sensor Update Kit for 2001-2003 GM 8.1L Description..

$472.50 $402.54

12575183 - Camshaft Position Sensor 2003 8.1l Discontinued Part

12575183 - Camshaft Position Sensor 2003 8.1l

Part# 12575183 ***Discontinued Part - Limited to Stock on Hand*** Description: Brand..

$199.71

12576106 - Engine Control Module - Reman (2003 M.Y. Workhorse)

12576106  -  Engine Control Module - Reman (2003 M.Y. Workhorse) Description: This i..

$525.00 $450.00

12576124  -  Exhaust Manifold Heat Shield, RH Out of Stock

12576124 - Exhaust Manifold Heat Shield, RH

12576124  -  Exhaust Manifold Heat Shield, RH ..

$164.25 $121.67

12580743 - Seal Asm - Crankshaft Front Oil

12580743  -  Seal Asm - Crankshaft Front Oil ..

$32.49 $33.38

12580771 - Workhorse Belt Idler Pulley Out of Stock

12580771 - Workhorse Belt Idler Pulley

Part# 12580771 Applications: Workhorse Belt Idler Pulley ..

$59.94 $56.21

12581115 - Manifold Asm - Intake

12581115  -  MANIFOLD ASM - INTAKE This part has a 2-3 week lead time from time of orde..

$3,183.14 $957.87

12581203 - Workhorse 8.1L Chassis Belt Tensioner w/ Pulley

Part# 12581203 Applications: All Workhorse Chassis Equipt with an 8.1L V8 Engine ..

$153.20 $97.90

12587621  -  Seal Asm - Crankshaft Rear Oil (Rear Main Seal) Out of Stock
12588924 - Module - Throttle Actuator Control (TAC Module) Out of Stock

12588924 - Module - Throttle Actuator Control (TAC Module)

Part #: 12588924 - Module - Throttle Actuator Control (TAC Module) ..

$489.60 $362.67

12591312AF - Knock Sensor Asm

Part# 12591312AF - Knock Sensor Asm   Description: Brand New Knock Sensor ..

$148.31 $56.81

12592020 - 8.1l Water Pump Gasket

Part# 12592020 Description: Brand New Workhorse Water Pump Gasket for 8.1L En..

$35.84 $26.55

12614973 - Sensor Asm - Manifold Air Pressure (MAP)

12614973  -  Sensor Asm - Manifold Air Pressure (MAP) ..

$177.39 $152.02

12677839 - Engine Oil Pressure Sensor

Part# 12677839   Description: Brand New Workhorse Oil Pressure Sensor ..

$200.31 $148.38

13503102 - Relay - Starter, A/C Compressor, Electric Fan

13503102  -  Relay - Starter, A/C Compressor, Electric Fan ..

$37.67 $14.87

13517394  -  Fuel Module Pigtail for 04+ Fuel Pump Modules / Updated Connector for 25178125 & 25178145 Out of Stock

13517394 - Fuel Module Pigtail for 04+ Fuel Pump Modules / Updated Connector for 25178125 & 25178145

13517394  -  Fuel Module Pigtail for 04+ Fuel PumpsPigtail for following fuel pump modules..

$31.55 $28.10

14022672 - Bolt - Crankshaft Balancer

14022672  -  Bolt - Crankshaft Balancer ..

$21.07 $15.61

14044082 - Insulator Asm - Radiator Upper Mounting Bracket

14044082  -  Insulator Asm - Radiator Upper Mounting Bracket ..

$21.47 $15.90

14044083 - Insulator Asm - Radiator Lower Mounting Bracket

14044083  -  Insulator Asm - Radiator Lower Mounting Bracket ..

$56.58 $46.81

14054390 - Cap - Coolant Recovery Reservoir

14054390  -  CAP - COOLANT RECOVERY RESERVOIR ..

$22.56 $16.71

15002888  -  Hose Asm - Engine Oil Cooler SUPERSEDED - See description

15002888 - Hose Asm - Engine Oil Cooler

We now have a custom replacement hose assembly: 2611399915002888  -  HOSE ASM - ENGINE OIL..

$0.00

15003750 - Elbow - Air Cleaner Outlet Duct

15003750  -  Elbow - Air Cleaner Outlet Duct ..

$90.14 $66.77

15020729  -  Exhaust Donut Seal/Gasket Out of Stock

15020729 - Exhaust Donut Seal/Gasket

15020729  -  Exhaust Donut Seal/Gasket ..

$22.90 $16.96

15027074 - Exhaust Flange Gasket

Part# 15027074 Description: Brand New Workhorse Catalytic Converter to Exhaust ..

$18.60 $13.78

15148759 - Workhorse W-Series Allison Transmission Dipstick

Part# 15148759   Description: Brand New Workhorse Allison Transmission Oil Indi..

$229.66 $170.12

15296913 - Exhaust Hanger Insulator

15296913  -  Exhaust Hanger Insulator  ..

$22.11 $16.38

15305887 - Connector Pigtail - Park/Neutral Position and Backup Lamp Switch

15305887  -  Connector Pigtail - Park/Neutral Position and Backup Lamp Switch ..

$198.46 $147.01

15326835PT - Eng Harn Conn - Throttle Body Pigtail

15326835PT  -  Eng Harn Conn - Throttle Body Pigtail..

$42.36 $47.66

1533897 - Seal Kit - A/C Compressor & Condenser

1533897  -  Seal Kit - A/C Compressor & CondenserThis kit includes 2 O-Rings that are ..

$43.19 $23.03

15416387 - Sensor Asm - Ambient Temperature

15416387  -  Sensor Asm - Ambient Temperature  ..

$29.35 $21.74

15461948 - 2001-2005 W22 Fuse Box Cover Label

15461948  -  2001-2005 W22 Fuse Box Cover Label ..

$22.19 $10.00

15522950 - 12-point Bolt for U-joint Strap

15522950  -  12-point Bolt for U-joint Strap..

$9.46 $6.26

15522953 - Retainer - Front & Rear Propshaft

15522953  -  Retainer - Front & Rear Propshaft ..

$18.97 $14.05

15597947 - Crossmember - Engine Mounting Front

15597947  -  Crossmember - Engine Mounting Front  ..

$250.40 $185.48

15680311 - Bracket - Park Brake Support

15680311  -  BRACKET - PARK BRAKE SUPPORT ..

$32.52 $24.09

15687277 - Reservoir Asm - Coolant Recovery

15687277  -  Reservoir Asm - Coolant RecoveryCap is sold separately! 14054390 ..

$93.84 $69.51

15739792 - Bracket - Air Cleaner Support

15739792  -  Bracket - Air Cleaner Support  ..

$169.10 $125.26

15765610  -  Engine Oil Cooler Line Connector Discontinued Part

15765610 - Engine Oil Cooler Line Connector

15765610  -  Engine Oil Cooler Line Connector ..

$55.67 $41.24

15956869  - Duct - Air Cleaner Outlet Rear Intermediate Discontinued Part

15956869 - Duct - Air Cleaner Outlet Rear Intermediate

15956869  - Duct - Air Cleaner Outlet Rear Intermediate ..

$258.62 $194.13

15966651 - Clamp - A/C Compressor and Condenser Hose

15966651  -  Clamp - A/C Compressor and Condenser Hose..

$10.41 $7.71

15991176 - Clip- Transmission Oil Cooler Pipe

15991176  -  Clip- Transmission Oil Cooler Pipe  ..

$23.15 $17.15

15991675  -  Shift Lever Asm Out of Stock

15991675 - Shift Lever Asm

15991675  -  Shift Lever Asm ..

$54.63 $40.47

15996772 - Bracket Asm - Coolant Recovery Tank

15996772 -  Bracket Asm - Coolant Recovery Tank ..

$160.74 $119.07

16760560 - Lead Asm - Horn Positive (From Horn Pad to Plate Under Turn Signal Cam)

16760560  -  Lead Asm - Horn Positive (From Horn Pad to Plate Under Turn Signal Cam)..

$32.67 $11.66

16868338 - Steering Wheel Cap Contact Asm

16868338  -  Steering Cap Contact Asm ..

$77.99 $57.77

19116058 - Park/Neutral Position Switch - EBCM - Push-Pull Button Relay

Part# 19116058Description:Park/Neutral Position Switch RelayEBCM (ABS) RelayDaytime Running Light Re..

$27.03 $21.95