2003 P42 Step Van

2003 P42 Step Van

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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12576918 - EGR Valve Asm (L35 4.3L & L31 5.7L) On SALE! Special Order - Call

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

12576918  -  E..

$507.49 $375.92

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12580296 - Tensioner Asm - Drive Belt On SALE! Out of Stock

12580296 - Tensioner Asm - Drive Belt

12580296  -  T..

$99.09 $78.72

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12580771 - Workhorse Belt Idler Pulley On SALE!

12580771 - Workhorse Belt Idler Pulley

Part# 12580771 Applic..

$59.94 $83.29

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12580772 - Pulley Asm - Belt Idler (L31 - 5.7L) On SALE! Out of Stock

12580772 - Pulley Asm - Belt Idler (L31 - 5.7L)

12580772 - Pulley Asm - ..

$117.90 $87.33

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12580773 - Pulley Asm - Belt Idler (Smooth - w/ A/C) On SALE! Out of Stock

12580773 - Pulley Asm - Belt Idler (Smooth - w/ A/C)

12580773  -  P..

$38.48 $39.43

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12581282 - Valve Asm - Evap Emissions Purge Solenoid (L18/LR4/LQ4) On SALE! Special Order - Call

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

12581282  -  V..

$92.04 $84.38

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12589227 - Cylinder Head Gasket (LQ4) On SALE! Out of Stock

12589227 - Cylinder Head Gasket (LQ4)

12589227  -  C..

$87.49 $64.81

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12589867 - Sensor Asm - Knock (LR4 - 4.8L & LQ4 - 6.0L) On SALE! Special Order - Call

12589867 - Sensor Asm - Knock (LR4 - 4.8L & LQ4 - 6.0L)

12589867  -  S..

$190.07 $140.79

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12603737-WCC - Manifold Asm - Exhaust, LH 4.8L/6.0L (LQ4 6.0L, All 4.8L) On SALE!

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

Part# 12603737-WCC ..

$479.61 $234.68

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12603739-WCC - Manifold Asm - Exhaust, RH 4.8L/6.0L (LQ4 6.0L, All 4.8L) On SALE!

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

12603739-WCC  -&nbs..

$429.85 $312.49

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12605677 - Pulley - Power Steering Pump On SALE! Out of Stock

12605677 - Pulley - Power Steering Pump

12605677  -  P..

$68.28 $50.58

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12617944 - Gasket - Exhaust Manifold (4.8L & 6.0L) On SALE!

12617944 - Gasket - Exhaust Manifold (4.8L & 6.0L)

12617944  -  G..

$32.98 $24.43

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12634218 - Pulley Asm - Belt Idler (L57 - 6.5L Diesel) On SALE! Out of Stock

12634218 - Pulley Asm - Belt Idler (L57 - 6.5L Diesel)

12634218  -  P..

$186.50 $138.15

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13517394 - Fuel Module Pigtail for 04+ Fuel Pump Modules / Updated Connector for WH-13955 & WH-13956 On SALE!

13517394 - Fuel Module Pigtail for 04+ Fuel Pump Modules / Updated Connector for WH-13955 & WH-13956

13517394  -  F..

$31.55 $28.10

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13580112 - Connector 8f Gt 150 Series Sealed (Throttle Body Position Sensor) On SALE! Out of Stock

13580112 - Connector 8f Gt 150 Series Sealed (Throttle Body Position Sensor)

CONNECTOR 8F GT 150 SERI..

$120.68 $187.79

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14005120 - Hanger - Rear Spring, Front On SALE! Out of Stock

14005120 - Hanger - Rear Spring, Front

14005120  -  H..

$127.97 $94.79

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14022657 - Exhaust Manifold, LH (6.5L) On SALE! Special Order - Call

14022657 - Exhaust Manifold, LH (6.5L)

14022657  -  E..

$1,025.66 $448.80

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14028922 - Bolt - Exhaust Manifold to Head (L57 - 6.5L Diesel) On SALE! Out of Stock

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

14028922  -  B..

$7.60 $5.63

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14028923 - Bolt - Exhaust Manifold to Head (L57 - 6.5L Diesel) On SALE! Out of Stock

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

14028923  -  B..

$38.19 $28.29

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14046907 - Rear Driveline U-joint Strap On SALE!

14046907 - Rear Driveline U-joint Strap

14046907  -  R..

$17.71 $13.12

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14050519 - Duct - Air Cleaner Resonator On SALE! Out of Stock

14050519 - Duct - Air Cleaner Resonator

14050519  -  D..

$56.58 $41.91

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14054390 - Cap - Coolant Recovery Reservoir On SALE!

14054390 - Cap - Coolant Recovery Reservoir

14054390  -  C..

$22.56 $23.12

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14066305 - Hose-f/injn Fuel Return On SALE! Out of Stock

14066305 - Hose-f/injn Fuel Return

HOSE-F/INJN FUEL RTN (2..

$37.67 $27.90

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14066657 - Shield - Starter Motor Heat (6.5L Diesel) On SALE! Special Order - Call

14066657 - Shield - Starter Motor Heat (6.5L Diesel)

14066657  -  S..

$59.83 $44.32

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