71℃ Thermostat 129155-49800 for Komatsu 3D84E 3D84N S3D84E PC20-6 PC30-7 WA30-2

71℃ Thermostat 129155-49800 for Komatsu 3D84E 3D84N S3D84E PC20-6 PC30-7 WA30-2

$32.79
Sale price  $32.79 Regular price 
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71℃ Thermostat 129155-49800 for Komatsu 3D84E 3D84N S3D84E PC20-6 PC30-7 WA30-2

71℃ Thermostat 129155-49800 for Komatsu 3D84E 3D84N S3D84E PC20-6 PC30-7 WA30-2

SKU: ZZ3F00850
$32.79 In Stock
$32.79
Sale price  $32.79 Regular price 
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Compatible Models

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Compatible equipment / model

71℃ Thermostat for Komatsu

This 71℃ thermostat, cross-referencing part number 129155-49800, is a cooling system component designed to regulate engine temperature for Komatsu 3D84E, 3D84N, S3D84E, PC20-6, PC30-7, and WA30-2 machines, ensuring reliable cold-start protection and consistent operation.

Overview

This 71℃ thermostat opens at the specified temperature to maintain proper engine heat, which is essential for reducing wear and improving fuel efficiency in Komatsu compact excavators and loaders. It functions as a direct replacement part for models powered by the 3D84E, 3D84N, and S3D84E engine series. The thermostat ensures the engine warms up quickly and stays within the optimal thermal range during operation.

Built For Performance

  • Opening temperature of 71°C allows efficient warm-up in cooler conditions
  • Precision valve mechanism provides accurate coolant flow control
  • Sturdy construction withstands high-pressure cooling systems
  • Direct replacement design matches OEM specifications for easy installation
  • Heat-resistant materials prevent degradation over extended use

Fits These Machines

  • for Komatsu 3D84E engine
  • for Komatsu 3D84N engine
  • for Komatsu S3D84E engine
  • for Komatsu PC20-6
  • for Komatsu PC30-7
  • for Komatsu WA30-2

On-The-Job Use

  • Commonly used in construction equipment maintenance for hydraulic excavators and wheel loaders
  • Supports cold-weather operations where consistent engine temperature is critical
  • Ideal for fleet repairs in earthmoving and material handling applications
  • Helps maintain optimal performance in compact machinery used on job sites

Specs At A Glance

Part Number(s) 129155-49800
Opening Temperature 71°C
Type Thermostat
Compatible Brands Komatsu

Good To Know

Q: Why is a 71℃ thermostat important for this engine? A: This specific opening temperature helps the engine reach its ideal operating temperature faster, which reduces wear and improves cold-start performance. It is especially beneficial in moderate to cool climates.

Q: Will this thermostat fit my Komatsu model? A: It fits models using the 3D84E, 3D84N, or S3D84E engines, including PC20-6, PC30-7, and WA30-2, but check your serial number for confirmation. Cross-reference with the part number 129155-49800 to ensure correct fitment.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.

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