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2005 P42 Chassis

2005 P42 Chassis

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 "5"


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12558840 - Cylinder Head Bolts (LR4/LQ4) (10 qty required)

CYLINDER HEAD BOLTS (LR4/LQ4) 1 of 3 (10 qty required)..

$8.53 $6.32

12559015 - Valve Asm - Evaporative Emissions Canister Vent Solenoid (L31/LR4/LQ4)

12559015  -  Valve Asm - Evaporative Emissions Canister Vent Solenoid..

$64.35 $47.67

12559337 - Thermostat Asm - Engine Coolant (6.5L)

12559337  -  Thermostat Asm - Engine Coolant (6.5L) ..

$65.84 $48.77

12560179 - Block Heater (LQ4/LR4)

12560179  -  Block Heater (LQ4/LR4) ..

$82.88 $61.39

12560223 - Gasket - Fuel Pump Opening Cover (6.5L)

12560223  -  Gasket - Fuel Pump Opening Cover (6.5L) ..

$13.30 $9.85

12560745 - Cylinder Head Bolts (LR4/LQ4) (4 qty required)

CYLINDER HEAD BOLTS (LR4/LQ4) 2 of 3 (4 qty required)..

$7.70 $5.70

12561092 - Tensioner Asm - Drive Belt (6.5L Diesel)

12561092  -  Tensioner  Asm - Drive Belt (6.5L Diesel) ..

$171.69 $127.18

12561591 - Fuel Shutoff Solenoid Valve (6.5L)

12561591  -  Fuel Shutoff Solenoid Valve (6.5L) ..

$602.30 $446.15

12562023  -  Tube Asm - Oil Level Indicator Extension (6.5L) Out of Stock

12562023 - Tube Asm - Oil Level Indicator Extension (6.5L)

12562023  -  Tube Asm - Oil Level Indicator Extension (6.5L) ..

$42.82 $31.72

12562243 - Shield - Exhaust Manifold, LH (LR4 - 4.8L & LQ4 - 6.0L)

12562243  -  Shield - Exhaust Manifold, LH (LR4 - 4.8L & LQ4 - 6.0L) ..

$55.07 $40.79

12563531 - Flywheel Asm (Heavy Duty)

12563531  -  Flywheel Asm (Heavy Duty) ..

$619.76 $459.08

12563532 - Spacer - Flywheel

12563532  -  Spacer - Flywheel ..

$133.87 $99.16

12564564  -  Valve Cover Asm, LH (L57 - 6.5L) Out of Stock

12564564 - Valve Cover Asm, LH (L57 - 6.5L)

12564564  -  Valve Cover Asm, LH (6.5L) ..

$161.11 $119.34

12564565 - Valve Cover Asm, RH (L57 - 6.5L)

12564565  -  Valve Cover Asm, RH (6.5L) ..

$377.07 $279.31

12564768 - Oil Pump Asm w/ Screen (L57 - 6.5L)

12564768  -  Oil Pump Asm w/ Screen (6.5L) ..

$354.21 $262.38

12568246  -  Outlet Asm - Water (6.5L) Discontinued Part

12568246 - Outlet Asm - Water (6.5L)

12568246  -  Outlet Asm - Water (6.5L) ..

$52.68 $39.02

12569241 - MAP Sensor Out of Stock

12569241 - MAP Sensor

Part# 12569241 Description: This is a Brand New Workhorse Manifold Air Pressure (MAP..

$214.57 $158.94

12570714 - Head Asm - Cylinder (6.5L)

12570714  -  Head Asm - Cylinder (6.5L) ..

$1,559.80 $1,197.24

12575329  -  Cylinder Head Gasket (LR4) Out of Stock

12575329 - Cylinder Head Gasket (LR4)

12575329  -  Cylinder Head Gasket (LR4) ..

$68.76 $50.93

12576447 - Belt - A/C Compressor for a 4.8L Engine

12576447  -  Belt - A/C Compressor for a 4.8L Engine ..

$41.78 $30.95

12576918  -  EGR Valve Asm (L35 4.3L & L31 5.7L) Out of Stock

12580771 - Workhorse Belt Idler Pulley

Part# 12580771 Applications: Workhorse Belt Idler Pulley ..

$59.94 $44.40

12581282 - Valve Asm - Evap Emissions Purge Solenoid (L18/LR4/LQ4)

12581282  -  VALVE ASM - EVAP EMISSIONS PURGE SOLENOID  ..

$92.04 $72.55

12586243 - Engine Control Module - Reman (2004-2010 M.Y. Workhorse)

12586243  -  Engine Control Module - Reman (2004-2010 M.Y. Workhorse) Description: T..

$607.50 $450.00

12588924 - Module - Throttle Actuator Control (TAC Module)

Part #: 12588924 - Module - Throttle Actuator Control (TAC Module)Supersedes: W80005451257..

$489.60 $362.67

12589227 - Cylinder Head Gasket (LQ4)

12589227  -  Cylinder Head Gasket (LQ4) ..

$87.49 $64.81

12603737 - Manifold Asm - Exhaust, LH  4.8L/6.0L (LQ4 6.0L, All 4.8L) Out of Stock

12603737 - Manifold Asm - Exhaust, LH 4.8L/6.0L (LQ4 6.0L, All 4.8L)

Part# 12603737 Description: Brand New Workhorse Left Hand Side Exhaust Manifold for 4.8..

$479.61 $355.27

12603739 - Manifold Asm - Exhaust, RH 4.8L/6.0L (LQ4 6.0L, All 4.8L)

12603739 -  Manifold Asm - Exhaust, RH 4.8L/6.0L (LQ4 6.0L, LY2/L20/LR4 4.8L)Description:Brand ..

$484.79 $320.79

12603782  -  Switch Asm - Engine Oil Level Indicator Out of Stock

12603782 - Switch Asm - Engine Oil Level Indicator

12603782  -  Switch Asm - Engine Oil Level Indicator ..

$59.99 $44.44

12605677  -  Pulley - Power Steering Pump Out of Stock

12605677 - Pulley - Power Steering Pump

12605677  -  Pulley - Power Steering Pump ..

$68.28 $50.58

12608814 - Sensor Asm - Engine Coolant Temperature (LR4/L20 - 4.8L & LQ4 6.0L)

12608814  -  Sensor Asm - Engine Coolant Temperature (LR4 - 4.8L / LQ4 6.0L) ..

$69.23 $51.28

12609719  -  Drive Belt Tensioner Asm (4.8L & 6.0L) Out of Stock
12614973  -  Sensor Asm - Manifold Air Pressure (MAP) Out of Stock

12614973 - Sensor Asm - Manifold Air Pressure (MAP)

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

$177.39 $131.40

12617944 - Gasket - Exhaust Manifold (LR4 - 4.8L & LQ4/LY6 - 6.0L)

12617944  -  Gasket - Exhaust Manifold (LR4 - 4.8L / LQ4 & LY6 - 6.0L) ..

$32.98 $24.43

12634218 - Pulley Asm - Belt Idler (6.5L Diesel)

12634218  -  Pulley Asm - Belt Idler (6.5L Diesel) ..

$186.50 $138.15

12677836 - Sensor Asm - Engine Oil Pressure (LR4 - 4.8L)

12677836  -  Sensor Asm - Engine Oil Pressure ..

$123.28 $96.14

12679525 - Body Asm - Throttle

12679525  -  Body Asm - ThrottleSupersedes: 12570800 ..

$661.99 $490.36

12680072 - Spark Plug (4.8L/6.0L)

12680072  -  Spark Plug (4.8L/6.0L) ..

$24.17 $17.90

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 $23.37

14005120 - Hanger - Rear Spring, Front

14005120  -  Hanger - Rear Spring, Front ..

$127.97 $94.79

14019006  -  Support - Floor and Dash Panel Side Out of Stock

14019006 - Support - Floor and Dash Panel Side

14019006  -  Support - Floor and Dash Panel Side  ..

$43.66 $32.34

14022657  -  Exhaust Manifold, LH (6.5L) Out of Stock

14022657 - Exhaust Manifold, LH (6.5L)

14022657  -  Exhaust Manifold, LH (6.5L) ..

$1,025.66 $759.75

14028922 - Bolt - Exhaust Manifold to Head (L57 - 6.5L)

14028922  -  Bolt - Exhaust ManifoldQty 12 required. ..

$7.60 $5.63

14028923 - Bolt - Exhaust Manifold to Head (L57 - 6.5L)

14028923  -  Bolt - Exhaust Manifold to Head (L57 - 6.5L)Qty 4 required. ..

$38.19 $28.29