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SLX / SLXe / SLXi

Sensors and Transducers for Thermo King SLX / SLXe / SLXi Refrigeration Units

Reliable microprocessor operation and precise temperature control are impossible without accurate readings from measuring systems. This section of the Ref-Belholod online store features a comprehensive range of sensors and transducers specifically for Thermo King SLX, SLXe, and SLXi transport refrigeration units.

To ensure the uninterrupted operation of all unit components — from the diesel engine to the freon circuit — we offer both genuine parts and premium-quality aftermarket alternatives:

  • Temperature Sensors: High-precision return air and discharge air sensors;
  • Pressure Sensors & Transducers: Engine oil pressure monitors, refrigerant sensors (including HPCO switches), and suction/discharge transducers;
  • Liquid Level Sensors: Engine oil level sensors and coolant (antifreeze) expansion tank level monitors;
  • RPM Sensors: Crankshaft rotation speed sensors for optimal engine synchronization.

All electronic components undergo strict technical quality control prior to sale, ensuring exact compliance with factory resistance and voltage specifications. If you cannot find a specific part number in our catalog or are unsure about compatibility with your exact Thermo King SLX, SLXe, or SLXi unit, contact our specialists via WhatsApp or phone. We will help you select the exact component and arrange fast delivery across Russia and the CIS countries.


  • Product Code: 416538
Coolant / Water Temperature Sensor (OEM) Thermo King Part 41-6538 / 416538 The Coolant Temperature ..

Used: 120.00$

New: 264.00$
No reviews
  • Product Code: 416865
Engine Oil Pressure Sensor / Switch (OEM, NC, 1/8-28 BSPT) Thermo King Part 41-6865 / 40-1655 The E..

Used: 96.00$

New: 180.00$
No reviews
  • Product Code: 410402, 414470
Датчик уровня моторного масла (Без резьб) Thermo King артикул 41-0402 / 41-4470 / 44-9810 Датчик уро..

Used: 96.00$

New: 180.00$
No reviews
  • Product Code: 449298, 418105
Engine RPM / Crankshaft Sensor (Magnetic Pickup) Thermo King Part 44-9298 / 449298 The Engine RPM S..

Used: 144.00$

New: 360.00$
No reviews
  • Product Code: 419489
Coolant Level Sensor (Antifreeze Sensor) Thermo King Part 41-9489 / 419489 The Coolant Level Sensor..

Used: 60.00$

New: 150.00$
No reviews
  • Product Code: 413669
Refrigerant High Pressure Switch (HPCO) Thermo King Part 41-3669 / 413669 The Refrigerant High Pres..

Used: 96.00$

New: 216.00$
No reviews
  • Product Code: 416356, 420708
Refrigerant High Pressure Switch HPCO (OEM) for X430 Compressor Thermo King Part 41-6356 / 42-0708 ..

Used: 120.00$

New: 216.00$
No reviews
  • Product Code: 334277
HPCO Sensor Copper Sealing Gasket / Washer (7/16''-20 UNF, OEM) Thermo King Part 33-4277 / 334277 T..

Used: 24.00$

New: 45.00$
No reviews
  • Product Code: 417960
Suction Pressure Transducer Sensor (200 PSI, 1/8'' NPT, 4-Wire) Thermo King Part 41-7960 / 42-1310 /..

Used: 180.00$

New: 360.00$
No reviews
  • Product Code: 422284
Suction Pressure Transducer Sensor (200 PSI, 1/8'' NPT, 4-Wire) Thermo King Part 42-2284 / 422284 T..

Used: 180.00$

New: 360.00$
No reviews
  • Product Code: 421312
Discharge Pressure Transducer Sensor HP (500 PSI) Thermo King Part 42-1312 / 41-7962 The Discharge ..

Used: 180.00$

New: 360.00$
No reviews
  • Product Code: 421310
Suction Pressure Transducer Sensor (200 PSI, 1/8'' NPT, 4-Wire) Thermo King Part 42-1310 / 421310 T..

Used: 180.00$

New: 360.00$
No reviews
  • Product Code: 417962
Discharge Pressure Transducer Sensor HP 500 PSI (USED / Pre-Owned OEM) Thermo King Part 41-7962 / 41..

Used: 180.00$

New: 360.00$
No reviews
  • Product Code: 400974
Discharge / Supply Air Temperature Sensor Thermo King Part 40-0974 / 41-4022 The Discharge Air Temp..

Used: 96.00$

New: 360.00$
No reviews
  • Product Code: 400975
Return Air Temperature Sensor Thermo King Part 40-0975 / 40-0872 The Return Air Temperature Sensor ..

Used: 96.00$

New: 220.00$
No reviews
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