Engine, Drivetrain

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For Reference Only - Some Applications May Vary.


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  1. DEF Quality Sensor Q21-6171-001K1T - Paccar
    Price $264.01
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  2. Backpressure Valve w/Actuator EPA17 2339635PE - Paccar Engine
    Price $3,242.97
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  3. Fuel Line A4720706532 - Detroit Diesel
    Price $49.22
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  4. Urea Tank Sensor 356500WMA - Paccar
    Price $601.59
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  5. DEF Level Sensor 350255WMA - Paccar
    Price $192.17
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  6. O - Ring HNBR 56mm x 6.2mm M42-6005 - Paccar
    Price $6.62
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  7. Pipe - Flexible EGR Valve To Cooler 1860417PE - Paccar Engine
    Price $728.39
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  8. Vent - DEF Tank 04-27817-000 - Freightliner
    Price $36.22
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  9. Header - Heavy Duty Engine Platform, 13/23G, Analog 04-31677-000 - Freightliner
    Price $1,177.76
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  10. DEF Hose Assembly w/ Convoluted Tubing (6mm x 2200mm) M50-6031-71132200 - Paccar
    Price $335.89
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  11. Kit - DEF Cap & Filler Neck 908-1716-01 - Paccar
    Price $98.94
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  12. DEF Level & Temperature Sensor 350247WMA - Paccar
    Price $192.21
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  13. DEF Level Sensor 350248WMA - Paccar
    Paccar DEF Level Sensor 350248WMA
    Part# 350248WMA OLD# 35024301
    Price $192.20
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  14. Strap Assembly - Diesel Particulate Filter M84-6044-005 - Paccar
    Price $57.71
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  15. Retainer - Bezel DEF Access - LH A20-1023 - Kenworth
    Price $97.82 Original price $112.77
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  16. DEF Concentration Sensor Q21-6170-004K1T - Paccar
    Paccar DEF Concentration Sensor Q21-6170-004K1T
    Part# Q21-6170-004K1T OLD# Q21-6127-007K1T
    Price $230.47
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  17. Sensor - Level And Concentration Q21-6170-002K1T - Paccar
    Paccar Sensor - Level And Concentration Q21-6170-002K1T
    Part# Q21-6170-002K1T OLD# Q21-6127-002K1T
    Price $279.86
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  18. Sensor - DEF Concentration Q21-6170-003K1T - Paccar
    Paccar Sensor - DEF Concentration Q21-6170-003K1T
    Part# Q21-6170-003K1T OLD# Q21-6127-006K1T
    Price $279.86
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  19. Sensor - DEF Concentration Q21-6170-001K1T - Paccar
    Paccar Sensor - DEF Concentration Q21-6170-001K1T
    Part# Q21-6170-001K1T OLD# Q21-6127-001K1T
    Price $261.20
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  20. Gasket Exhaust RCN Valve 5253019 - Cummins
    Price $12.68
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  21. Service Kit, Aftertreatment 2144132PE - Paccar Engine
    Price $107.05
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  22. Hose Assembly - HTD DEF PRES 4 x 950mm M50-6038-5520950 - Paccar
    Price $221.39
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  23. Harness-2013 ISX After Treatment P92-5266-204101 - Paccar
    Price $891.86
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  24. Valve-Solenoid DEF Coolant, 2 Way F90-6017 - GT Development
    Price $372.06
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  25. Non Vented Def Tank Cap 908-0223-01 - Paccar
    Price $28.48
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  26. DPF Filter Gasket 1818631PE - Paccar Engine
    Price $48.71
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  27. Sensor-Urea Level 350249WMA - Paccar
    Paccar Sensor-Urea Level 350249WMA
    Part# 350249WMA OLD# 350236WMA
    Price $179.40
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  28. Doser-HC, OOP-EPA10 1834592PE - Paccar Engine
    Price $313.45
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  29. Sensor-Temperature Aftertreatment 1897229PE - Paccar Engine
    Price $191.50
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  30. DPF Sensor-Pressure 1818119PE - Paccar Engine
    Price $210.49
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  31. Clamp-V-Band 278-5712 - CAT
    CAT Clamp-V-Band 278-5712
    Part# 278-5712 OLD# 2785712
    Price $74.77
    Ships Tomorrow
  32. Cover - DPF/SCR, End Plate M22-6248-002 - Paccar
    Price $344.36
    Ships within 72 hours
  33. Cover - DPF/SCR, End Plate M22-6247-002 - Paccar
    Price $299.83
    Ships within 72 hours
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Truck Engine & Drivetrain Components

Engine gaskets and seals, intake piping, starting motor, alternators, and starters are all important parts of the engine and drivetrain. Whether your truck needs a new exhaust pipe elbow or a new fuel line, we at Big Rig World can help you get the right parts for your Semi’s make and model.

Engine Components, Alternators, & Starters 

One of the most important components of the engine is the engine gasket and its seal. Engine gaskets & seals are critical to the engine's overall function, and they seal the engine's engine and cylinder head. In addition, the intake piping, fuel lines, and exhaust pipe elbows need to be inspected and replaced as needed. You can get the specified gasket, seal, and O-ring to resolve oil leakage, engine installation and engine failure issues in your truck. We also sell turbos, engine control units, rebuild kits and more.

We carry a wide variety of alternators, starters, and components for Peterbilt, Kenworth, and other heavy-duty trucks. Whether you need a Bosch alternator for your Paccard or a starting motor for your Cummins, we've got you covered. Our alternators and starters are made with the highest quality materials, designed to last, and are designed to fit your specific truck's engine.

Air & Fuel System Components

It's important to keep your truck's air fuel system in good condition by regularly cleaning and replacing the air tubes, intake piping, and other parts.

The Peterbilt, Kenworth, and other heavy-duty trucks use a similar air fuel system. The system includes fuel lines, intake piping, air tubes and pipes. All of these parts need to be cleaned and replaced regularly to ensure smooth running and efficient fuel consumption.

Contact us today to learn more about our services and how we can help keep your truck running like new.