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543.01.0003 Mercedes-Benz Compatible Radiator Expansion Tank

543.01.0003

Summary

This radiator expansion tank is engineered for Mercedes-Benz heavy commercial vehicle cooling systems. It serves as a critical component for maintaining coolant pressure and facilitating thermal expansion within the engine cooling circuit. Equivalent to OE Mercedes-Benz 0005003149.

Product identifiers
EAN Code8683457015487
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Compatible OEM Codes

  • MERCEDES BENZ
    • 000 500 31 49

Description

What does a radiator expansion tank do?

This radiator expansion tank plays a vital role in the engine cooling system by managing the thermal expansion of the coolant. By providing a reservoir for fluid during temperature fluctuations, it prevents excessive pressure build-up and ensures the system remains sealed and functional under heavy-duty operating conditions.

Vehicle compatibility

This component is designed for compatibility with Mercedes-Benz applications. It serves as a reliable replacement for original parts to maintain optimal coolant levels and pressure regulation within the vehicle's thermal management circuit.

Installation and maintenance

When performing maintenance or replacement, technicians should inspect the mounting points and connections to ensure a secure fit. Proper installation is essential to prevent leaks and maintain the correct pressure rating required by the cooling system.

Selection guidance

Selecting the correct expansion tank is crucial for preventing overheating or cavitation in the engine. For precise fitment, always cross-reference the removed part with the vehicle's specifications.

OE cross-reference

543.01.0003 (Radiator Expansion Tank) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 0005003149.

Other OEMs

MERCEDES BENZ

  • A0005003149
  • 0005003149
  • 000 500 31 49

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ

FAQ

What is the function of a radiator expansion tank?
The expansion tank provides space for coolant to expand as it heats up, helping to regulate system pressure and prevent leaks or bursts in the cooling lines.
Is this compatible with Mercedes-Benz heavy vehicles?
Yes, this component is designed to be compatible with Mercedes-Benz heavy commercial vehicle cooling systems.
How can I ensure I have the correct fitment?
It is recommended to check the component against the vehicle's chassis number and verify compatibility with existing system requirements.
What are the signs of a failing expansion tank?
Common symptoms include visible coolant leaks around the tank, visible cracks in the housing, or unexpected fluctuations in engine temperature.
What are the OE reference numbers of this part?
543.01.0003 directly replaces Mercedes-Benz OE number 0005003149.