Engine Sensors & Switches

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For Reference Only - Some Applications May Vary.


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  1. Sensor 522-1641 - CAT
    CAT Sensor 522-1641
    Part# 522-1641 OLD# 5221641
    Price $269.38
    Ships Today
  2. Speed Sensor Kit 5550060 - Cummins
    Price $297.62
    Ships Today
  3. Differential Pressure Sensor - DFN pressure 4358939 - Cummins
    Price $237.96
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  4. EGR Position Sensor 4956084 - Cummins
    Price $207.06
    Ships Today
  5. Sensor-Exhaust Pyrometer Q21-1035 - Paccar
    Price $244.01
    Ships Today
  6. Pressure Sensor Kit - Standard 5507309 - Cummins
    Price $290.54
    Ships within 72 hours
  7. Pressure Sensor Kit 5507314 - Cummins
    Price $276.35
    Ships within 72 hours
  8. Lambda Probe A0105429318 - Detroit Diesel
    Price $217.44
    Ships within 72 hours
  9. Soot Sensor A0101536828 - Detroit Diesel
    Price $243.96
    Ships within 72 hours
  10. Sensor Hsg A0085422418 - Detroit Diesel
    Price $209.51
    Ships within 72 hours
  11. Sender Unit A0015425617 - Detroit Diesel
    Price $249.19
    Ships within 72 hours
  12. M-Sensr Kitp 23532364 - Detroit Diesel
    Price $225.39
    Ships within 72 hours
  13. Sensor Kit 23524801 - Detroit Diesel
    Price $211.10
    Ships within 72 hours
  14. Sensor 23521882 - Detroit Diesel
    Price $292.04
    Ships within 72 hours
  15. AM, Temp Control, Timer 205 Deg NO 8036103P - Paccar
    Price $212.56
    Ships within 72 hours
  16. M-Sensor P 23530572 - Detroit Diesel
    Price $236.49
    Ships within 72 hours
  17. Alarmstat - 225F(107C) 1002-05511-37 - Paccar
    Price $200.27
    Ships within 72 hours
  18. Switch 148-7499 - CAT
    CAT Switch 148-7499
    Part# 148-7499 OLD# 1487499
    Price $212.31
    Ships within 72 hours
  19. Temperature Sensor 2129731PE - Paccar Engine
    Paccar Engine Temperature Sensor 2129731PE
    Part# 2129731PE OLD# 1906306PE
    Price $253.01
    Ships within 72 hours
  20. Pressure Sensor 1818682PE - Paccar Engine
    Price $216.59
    Ships within 72 hours
  21. Temperature Sensor 4384811 - Cummins
    Price $232.73
    Ships within 72 hours
  22. Turbocharger Speed Sensor - MX-11 EPA2013 1953442PE - Paccar Engine
    Price $268.10
    Ships within 72 hours
  23. Pressure Sensor 224-4536 - CAT
    CAT Pressure Sensor 224-4536
    Part# 224-4536 OLD# 2244536
    Price $220.21
    Ships within 72 hours
  24. Pressure Sensor 161-1703 - CAT
    CAT Pressure Sensor 161-1703
    Part# 161-1703 OLD# 1611703
    Price $236.88
    Ships within 72 hours
  25. Pressure Sensor 293-5535 - CAT
    CAT Pressure Sensor 293-5535
    Part# 293-5535 OLD# 2935535
    Price $245.72
    Ships within 72 hours
  26. Electronic Fuel Control Actuator 4307411RX - Cummins

    Core charge

    Price $291.71
    Ships within 72 hours
  27. Differential Pressure Sensor 4921730 - Cummins
    Price $245.88
    Ships within 72 hours
  28. Pressure Sensor 4921501 - Cummins
    Price $238.88
    Ships within 72 hours
  29. Pressure Sensor 4921487 - Cummins
    Price $281.14
    Ships within 72 hours
  30. Switch-Water Temp On At 225 Deg Q27-6000-225 - Paccar
    Price $244.60
    Ships within 72 hours
  31. Pressure Sensor - Fuel 4954245 - Cummins
    Price $223.96
    Ships within 72 hours
  32. Pressure Sensor 4921728 - Cummins
    Price $256.12
    Ships within 72 hours
  33. Differential Pressure Sensor 314-9772 - CAT
    Price $214.87
    Ships within 72 hours
  34. High Pressure Sensor 284-2728 - CAT
    CAT High Pressure Sensor 284-2728
    Part# 284-2728 OLD# 2842728
    Price $214.87
    Ships within 72 hours
  35. Pressure Sensor 161-9930 - CAT
    CAT Pressure Sensor 161-9930
    Part# 161-9930 OLD# 1619930
    Price $236.88
    Ships within 72 hours
  36. Pressure Sensor 161-9927 - CAT
    CAT Pressure Sensor 161-9927
    Part# 161-9927 OLD# 1619927
    Price $236.88
    Ships within 72 hours
1-36 of 53 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.