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Toyota Hilux 2003 LN166 (Denso 277300-0401)



Specifications

SKU: AMTYT-HILUX 2003 (LN166)-DENSO 277300-0401

The Toyota Hilux 2003 (LN166) Air Cond Amplifier (Denso 277300-0401) is the original control module for the final generation of the Hilux SR/Tiger platform (1997–2005). It acts as the thermal ECU, preventing the cooling coil from icing up by cycling the compressor based on temperature sensor input.
 
  • Part Number: 277300-0401 (replaces or is cross-referenced with 88650-35060).
  • Brand: Denso (100% Genuine Japan).
  • Voltage: 12V (standard for the LN166 diesel platform).
  • Application: Specifically for the Toyota Hilux LN166 (1997–2005 models).
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Critical Compatibility Note
  • Model Check: The LN166 (SR/Tiger) uses a different resistance calibration than the older LN106 (Mighty X). Installing the wrong version can lead to the compressor never cycling off, eventually causing the cooling coil to freeze and the airflow to stop.

 

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