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543.01.0002 Radiator Expansion Tank, Cooling System
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543.01.0002 Radiator Expansion Tank for Mercedes-Benz

543.01.0002

Summary

This radiator expansion tank is designed for heavy commercial vehicle cooling systems, specifically compatible with Mercedes-Benz applications. It functions as a vital component for maintaining correct coolant levels and managing system pressure under high-temperature operating conditions. Equivalent to OE Mercedes-Benz 9705000249.

Product identifiers
EAN Code8683457015470
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Compatible OEM Codes

  • MERCEDES BENZ
    • 970 500 04 49
    • 970 500 03 49
    • 970 500 02 49

Description

What does a radiator expansion tank do?

This radiator expansion tank serves as a critical component within the heavy commercial vehicle cooling system, providing a reservoir for coolant expansion and contraction. It is engineered using high-strength components to withstand the thermal stresses and pressure fluctuations typical of heavy-duty engine cycles.

Vehicle compatibility and fitment

This specific unit is designed to be compatible with Mercedes-Benz vehicles. It ensures that the cooling system maintains a stable pressure level, preventing overheating or cavitation within the radiator assembly.

Installation and maintenance

For proper installation, technicians should verify that all connection points are clean and free of debris. It is essential to check all mounting points and ensure the tank is securely seated to prevent leaks during thermal expansion cycles.

System troubleshooting and inspection

Regular inspection of the tank and its associated hoses is recommended to detect early signs of fatigue or pressure loss. Maintaining a stable cooling environment is vital for the longevity of the entire engine cooling circuit.

OE cross-reference

543.01.0002 (Radiator Expansion Tank) is the equivalent of the Mercedes-Benz OE numbers. This part directly replaces Mercedes-Benz OE numbers 9705000249, 9705000349, 9705000449.

Other OEMs

MERCEDES BENZ

  • A9705000449
  • A9705000349
  • A9705000249
  • 9705000449
  • 9705000349
  • 9705000249
  • 970 500 04 49
  • 970 500 03 49
  • 970 500 02 49

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ

FAQ

What is the primary function of this expansion tank?
The tank provides a space for coolant to expand as it heats up, helping to maintain stable system pressure and preventing overheating in heavy commercial vehicle engines.
Is this part compatible with Mercedes-Benz vehicles?
Yes, this component is designed to be compatible with Mercedes-Benz cooling systems, ensuring proper fitment and pressure regulation.
What materials are used in these tanks?
These tanks are manufactured using heavy-duty grade materials designed to withstand high thermal stress and continuous pressure cycles.
How can I tell if my expansion tank needs replacement?
Technicians should look for signs of visible cracks, fluid leakage around the seals, or an inability to maintain steady system pressure.
What are the OE reference numbers of this part?
543.01.0002 directly replaces Mercedes-Benz OE numbers 9705000249, 9705000349, 9705000449.