[High Performance Cooling]Designed for efficient engine cooling with a 40mm internal diameter, ensuring optimal coolant flow for all automotive systems.
[Weld-On Installation]Constructed from high-hardness aluminum alloy, this filler neck provides a permanent and reliable solution for custom radiator fabrication.
[Pressure Maintenance]Includes a 0.9 bar pressure cap to prevent boiling, ensuring your cooling system operates effectively under high-temperature conditions.
[Universal Fit]Suitable for most vehicles, this neck allows for easy coolant replenishment and maintenance in various applications including racing and industrial setups.
[Durable Construction]Engineered to withstand harsh automotive environments, the aluminum alloy design offers long-term reliability for all cooling systems.

Item Type: Weld On Radiator Filler Neck
Material: Aluminum alloy
Inner Diameter of Filling Port: Approx. 40mm/1.6in
Main Function: To facilitate the addition of coolant to maintain the normal operating temperature of the engine. Radiator in the long term use and driving process, will be due to the lack of automotive coolant and cause high engine temperatures, serious cases may cause damage to the radiator and engine overheating, further causing a variety of failures, affecting driving safety. Therefore, the existence of car radiator filler port can easily add coolant, timely replenish and adjust the cooling system of the car, to protect the normal work of the engine.
Fitment:
Suitable for most cars that meet the size
1 x Base1 x Cap