Structure: Integrated unit, equipped with a high/low liquid level scale observation window; integrated pressure relief water tank cover; reserved installation position for liquid level sensor; multiple pipeline interfaces; with metal fixed bracket, can be directly installed in place without modification.
• Weight: Approximately 3.2 - 3.6 kg
• Installation location: Behind the cab, on the side of the radiator, in the engine cooling system.
Function:
Compensating for the thermal expansion and contraction of coolant: When the engine heats up, the volume of the coolant expands, and the excess coolant flows into this water tank; when the engine cools down and contracts, negative pressure pulls the coolant back into the main radiator, maintaining the volume balance of the cooling system.
Maintain the internal pressure of the cooling system: The water tank cover is equipped with a pressure relief valve. If the system pressure exceeds the limit, it will automatically release the pressure to prevent the radiator and water pipes from bursting.
Coolant Reservoir Tank Assembly
Auxiliary Water Tank
Foton Auman GTL expansion tank
Features Product Characteristics
1. High-temperature-resistant modified PP material, resistant to anti-freezing fluid corrosion, resistant to alternating cold and heat impacts, and not prone to cracking or bulging.
2. Semi-transparent housing, with an external MAX-MIN liquid level scale, allowing direct observation of the coolant level with the naked eye.
3. Complete assembly: water tank housing + pressure water tank cover + liquid level sensor + fixed bracket + pipe connection, delivered as a complete set, not just an empty shell.
Expansion tank with level sensor
Truck cooling system parts
Foton Auman spare parts
Radiant overflow tank
The water tank is equipped with a pressure valve, which controls the working pressure of the cooling system and prevents the pipeline from bulging and leaking.
It is compatible with the entire range of Oermann GTL chassis, and can be used for trucks, dumpers and mixers.
FAQ
Q: What is OE number?
A: OE NO.: H4130410004A0, complete assembly including tank body, pressure cap, level sensor and mounting bracket.
Q: Does this include sensor and tank cap?
A: Yes, full complete assembly, sensor, pressure cap and metal bracket are all included, ready for direct installation.
Q:What material of this tank?
A: High‑temperature resistant translucent modified PP plastic, anti‑corrosion for coolant fluid.
Q: What are the failure signs?
A: Coolant leakage, tank crack, low coolant warning light on dashboard, engine overheating. Replace tank once leaking occurs.
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