Engine Sensors & Switches

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For Reference Only - Some Applications May Vary.


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  1. Sensor - Coolant Level KZ359001 - Paccar
    Price $196.97
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  2. Pressure Sensor 2200138PE - Paccar Engine
    Price $162.69
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  3. Sensor - Water Temp 16-10417 - Peterbilt
    Price $104.78
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  4. Engine Oil Pressure Sensor 4921517 - Cummins
    Price $107.83
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  5. Pressure Sensor 4928594 - Cummins
    Price $170.28
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  6. Switch-Fan Override K301-401 - Kenworth
    Price $107.14
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  7. Thermocouple Sensor Q21-1028-2 - Kenworth
    Price $189.70
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  8. Sensor-Temperature Charge Air 1893478PE - Paccar Engine
    Price $186.97
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  9. Fuel Filter Sensor Q21-1033 - Paccar
    Price $177.36
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  10. Sensor-Dual Speed/Tach Q21-6004 - Paccar
    Price $132.43
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  11. Sensor-Pressure, Crankcase 2259058PE - Paccar Engine
    Price $141.55
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  12. Sensor-Temperature Exhaust Gas 2144718PE - Paccar Engine
    Price $186.97
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  13. Sensor-Temperature EGR 1873020PE - Paccar Engine
    Price $186.97
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  14. Sensor-Pressure Fuel 2132521PE - Paccar Engine
    Price $141.55
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  15. Sensor-Pressure Pre Turbo 2137593PE - Paccar Engine
    Price $134.82
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  16. Position Sensor Plate 3694957 - Cummins
    Price $170.45
    Ships within 72 hours
  17. Temperature Sensor, After BPV 2195284PE - Paccar Engine
    Price $186.97
    Ships within 72 hours
  18. Sensor - Fuel Rail Pressure 2235813PE - Paccar Engine
    Price $177.13
    Ships within 72 hours
  19. Sensor - Coolant Level SS5095 - TRP
    Price $130.88
    Ships within 72 hours
  20. Sensor - Thermocouple Ungrounded Q21-1028-1 - Paccar
    Price $189.70
    Ships within 72 hours
  21. Temp Sensor A6805402017 - Detroit Diesel
    Price $127.44
    Ships within 72 hours
  22. Prssr Sensor A4721500025 - Detroit Diesel
    Price $129.07
    Ships within 72 hours
  23. Sensor, Egr Delta Pressure A4701530428 - Detroit Diesel
    Price $153.96
    Ships within 72 hours
  24. Temperatursensor A0115429018 - Detroit Diesel
    Price $111.09
    Ships within 72 hours
  25. Sensor, Scr Outlet Temperature A0115424318 - Detroit Diesel
    Price $102.93
    Ships within 72 hours
  26. Sensor, Dpf Outlet Temperature A0115424118 - Detroit Diesel
    Price $112.74
    Ships within 72 hours
  27. Temperature Sensor A0115423318 - Detroit Diesel
    Price $109.46
    Ships within 72 hours
  28. Sensor, Ats Delta Pressure A0111539428 - Detroit Diesel
    Price $193.63
    Ships within 72 hours
  29. Sensor, Oil Pressure A0111539228 - Detroit Diesel
    Detroit Diesel Sensor, Oil Pressure A0111539228
    Part# A0111539228 OLD# A0071530828
    Price $102.93
    Ships within 72 hours
  30. Sensor A0111532928 - Detroit Diesel
    Detroit Diesel Sensor A0111532928
    Part# A0111532928 OLD# -
    Price $157.13
    Ships within 72 hours
  31. Temp Sensor A0105429518 - Detroit Diesel
    Detroit Diesel Temp Sensor A0105429518
    Part# A0105429518 OLD# A0105428518
    Price $185.70
    Ships within 72 hours
  32. Temp Sensor A0105423218 - Detroit Diesel
    Price $116.00
    Ships within 72 hours
  33. Pressr Sensr A0101535328 - Detroit Diesel
    Detroit Diesel Pressr Sensr A0101535328
    Part# A0101535328 OLD# A0041537028
    Price $149.19
    Ships within 72 hours
  34. Lambda Probe A0085428718 - Detroit Diesel
    Price $182.53
    Ships within 72 hours
  35. Temp Sensor A0085423218 - Detroit Diesel
    Price $101.29
    Ships within 72 hours
1-36 of 91 Items
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Engine Sensors & Switches: The Nerve Centers of a Reliable Truck

Think of engine sensors and switches as the truck's eyes and ears on the road. These components continuously gather data and relay it to the Engine Control Unit (ECU), influencing everything from fuel efficiency to emission control. The main elements in this category usually include:

  • Temperature Sensors: Monitor engine and coolant temperatures
  • Pressure Sensors: Keep tabs on oil, fuel, and air pressure
  • Speed Sensors: Determine how fast the crankshaft or camshaft is spinning
  • Oxygen Sensors: Assess the levels of oxygen in exhaust gases
  • Switches: Control functions like ignition, headlights, and wipers

What Happens When Things Go South?

A malfunctioning sensor or switch can throw a wrench into the works. What kind of symptoms might pop up?

  • Engine misfires or stalling
  • Poor fuel economy
  • Erratic or jerky transmission shifts

Warning lights turning on for seemingly no reason

If these issues arise, it usually means one of the engine sensors or switches has gone rogue and it's time for a replacement or repair.

The Importance of Quality and Compatibility

When it comes to engine sensors and switches, the market is flooded with various brands and qualities. However, skimping on these crucial parts can lead to less reliable performance and even catastrophic engine failure. Always opt for:

  • OEM or Equivalent Parts: These are designed to meet manufacturer specifications.
  • Durability: Ensure the parts can withstand the rigors of the road.
  • Compatibility: Not all parts are universal; make sure they fit the specific make and model.

Routine Checks and Maintenance

Regularly inspecting these components is a straightforward job but can save a lot in the long run. A few quick tips for upkeep:

  • Visual Inspection: Check for wear and tear or loose connections.
  • Electronic Testing: Specialized equipment can quickly diagnose faulty sensors.
  • Regular Replacements: Some sensors, like oxygen sensors, have a limited lifespan and should be replaced as part of routine maintenance.

High-Quality Engine Sensors and Switches at Big Rig Shop

For those who value reliability and top-tier performance, the Big Rig shop offers an extensive selection of engine sensors and switches designed for all kinds of truck models. With a variety of high-quality options available, keeping a truck running smoothly is more feasible than ever. Trust the Big Rig shop to be the go-to source for all engine sensor and switch needs.