Skip to content
543.01.0008 Radiator Expansion Tank, Cooling System
1345 Views Updated

543.01.0008 Mercedes-Benz Compatible Expansion Tank

543.01.0008

Summary

This radiator expansion tank is designed for Mercedes-Benz heavy commercial vehicle cooling systems. It serves as a vital component for maintaining correct coolant pressure and volume within the radiator assembly, ensuring efficient thermal management. Equivalent to OE Mercedes-Benz 9405000303.

Product identifiers
EAN Code8683457015548
Ready to Order
Get Information
Share
WhatsApp Facebook X LinkedIn

Compatible OEM Codes

  • MERCEDES BENZ
    • 940 500 03 03

Description

What does an expansion tank do?

This radiator expansion tank plays a critical role in the cooling system by managing coolant volume changes and pressure fluctuations during engine operation. By providing a reservoir for thermal expansion, it helps prevent overheating and maintains the stability of the entire cooling circuit.

Vehicle compatibility and fitment

This component is engineered to fit Mercedes-Benz heavy commercial vehicles, ensuring seamless integration with the original cooling architecture. It is designed to withstand the rigorous thermal cycles typical of heavy-duty engine environments.

Installation and maintenance

For proper installation, technicians should ensure the mounting points are secure and the connections are free from debris. Regular inspection of the tank and its connections is recommended to prevent pressure loss or coolant leaks within the system.

System performance and selection

When replacing this unit, verify compatibility with the existing radiator setup to ensure optimal pressure regulation and sealing performance throughout the service life.

OE cross-reference

543.01.0008 (Radiator Expansion Tank) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 9405000303.

Other OEMs

MERCEDES BENZ

  • A9405000303
  • 9405000303
  • 940 500 03 03

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ

FAQ

What is the function of this expansion tank?
The expansion tank manages the volume changes in coolant as it heats up and cools down, helping to maintain stable system pressure.
Which vehicles is this part compatible with?
This component is specifically designed for use in Mercedes-Benz heavy commercial vehicle cooling systems.
How can I ensure I have the correct fitment?
It is recommended to check the existing part's specifications against the vehicle's requirements to ensure proper pressure regulation.
What are common signs of a failing expansion tank?
Symptoms may include visible coolant leaks, rapid loss of coolant levels, or inconsistent engine temperature readings.
What are the OE reference numbers of this part?
543.01.0008 directly replaces Mercedes-Benz OE number 9405000303.