Hyundai Thermostat 4929644

Reliable Hyundai 4929644 Thermostat. Compatible with R300-5 and R225LC-9 excavators. Ensure stable engine temperature and long-term durability with genuine Hyundai cooling system components.

Hyundai 4929644 Thermostat | R300-5 R225LC-9 Cooling Parts

Engine Thermostat 4929644

High-Precision Thermal Management for 5 and 9-Series Excavators

The Hyundai 4929644 is a high-precision thermal management component designed to maintain your R300-5 and R225LC-9 excavators at the ideal operating temperature. By dynamically regulating coolant flow between the engine block and the cooling system, this thermostat ensures the engine reaches its optimal working temperature quickly and stays there, protecting engine seals and preventing thermal stress-induced mechanical failure.


1. Technical Specifications

ParameterDetail
Part Number4929644
Component TypeEngine Thermostat
Primary FunctionAutomatically regulates coolant circulation to stabilize engine operating temperature
CompatibilityEngineered for Hyundai 5 and 9-series excavators

2. Machine Compatibility

Engineered for reliable thermal management in mid-to-large sized machinery:

  • Hyundai Models: R300-5, R225LC-9, and related configurations.

  • System Synergy: A critical component for maintaining engine efficiency and protecting against thermal fatigue during intensive work cycles.

3. Maintenance & Installation Protocols

  • Service Interval: Replace as needed if the engine exhibits signs of inconsistent temperature, takes too long to warm up, or demonstrates frequent overheating.

  • Diagnostic Indicators: Replace if the engine temperature gauge fluctuates abnormally, if there is visible coolant leakage near the thermostat housing, or if the engine remains under-cooled during operation.

  • Installation Tip: When replacing, verify the thermostat seating and always use a new gasket or O-ring to prevent leaks. After assembly, top off the coolant and run the engine to check for air pockets, bleeding the system as necessary to ensure effective circulation.

4. Technical Support & Logistics

  • Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.

  • WhatsApp: +86 13701956981

  • Email: [email protected]

Technical Note: Maintaining a consistent engine temperature is a best practice for protecting your investment in the R300-5 and R225LC-9 series. 

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