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543.02.0009 MAN Compatible Radiator Expansion Tank

543.02.0009

Summary

This radiator expansion tank is designed for MAN heavy commercial vehicles. It serves as a critical component within the cooling system to manage coolant expansion and maintain stable pressure during engine operation. Equivalent to OE MAN 81061025026.

Product identifiers
EAN Code8683457016231
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Compatible OEM Codes

  • MAN
    • 81.06102-6232
    • 81.06102-6230
    • 81.06102-6229
    • 81.06102-5028
    • 81.06102-5026

Description

What does a radiator expansion tank do?

This radiator expansion tank plays a vital role in the thermal management of the engine cooling system. It acts as a reservoir to accommodate the natural thermal expansion of the coolant, helping to prevent excessive pressure buildup within the radiator and hoses.

Vehicle compatibility and fitment

This component is specifically designed to be compatible with MAN trucks and heavy commercial vehicle applications. It ensures that the coolant level remains stable even under high-temperature operating conditions common in heavy-duty service.

Installation and maintenance

Maintenance of the cooling system requires regular inspection of the expansion tank to check for cracks or leaks. Technicians should ensure that the mounting points are secure and that the tank is compatible with the original cooling system architecture to avoid pressure regulation issues.

System reliability

Properly functioning expansion tanks are essential for preventing overheating and protecting other cooling components from pressure-related failures.

OE cross-reference

543.02.0009 (Radiator Expansion Tank) is the equivalent of the MAN OE numbers. This part directly replaces MAN OE numbers 81061025026, 81061025028, 81061026229, 81061026230, 81061026232.

Other OEMs

MAN

  • 81061026232
  • 81061026230
  • 81061026229
  • 81061025028
  • 81061025026
  • 81.06102-6232
  • 81.06102-6230
  • 81.06102-6229
  • 81.06102-5028
  • 81.06102-5026

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MAN

FAQ

What is the function of a radiator expansion tank?
The tank provides space for coolant to expand as it heats up, preventing overpressure in the cooling system while allowing air bubbles to escape.
Is this part suitable for heavy commercial vehicles?
Yes, this component is designed specifically for use in MAN heavy commercial vehicle cooling systems.
How can I tell if an expansion tank needs replacement?
Look for signs such as visible cracks in the plastic, discoloration from overheating, or a noticeable drop in coolant levels due to leaks.
Can I use this tank in any vehicle?
This specific part is engineered to be compatible with MAN vehicles; always verify fitment before installation.
What are the OE reference numbers of this part?
543.02.0009 directly replaces MAN OE numbers 81061025026, 81061025028, 81061026229, 81061026230, 81061026232.