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Parts Finder

Necks and Caps
Universal aluminum necks and caps for radiators

Necks and Caps

"Necks and Caps" are key components for ensuring safety and efficiency in cooling systems. Necks, designed to be welded onto the radiator, provide a precise and durable connection, while caps ensure a tight seal, preventing leaks and pressure loss. Made from materials resistant to heat and corrosion, these accessories are ideal for high-performance motorsport applications. Optimize your cooling system with reliable parts that enhance engine durability and performance under extreme conditions.

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Aluminum weld-on radiator...
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Reference: 215

Brand: WELDRACINGPARTS

Aluminum weld-on radiator filler neck

Optimize your cooling system with our aluminum weld-on radiator filler neck, designed for a precise and durable installation. It allows for a clean and secure weld, ensuring a perfect fit for the cap. If you're looking for an aluminum weld-on radiator filler neck, this is the ideal choice for your project.

Price 7.65 €
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Radiator pressure cap...
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Reference: 234

Brand: WELDRACINGPARTS

Radiator pressure cap 1,1bar (16psi)

1.1bar (16psi) radiator cap for weldable aluminum bung. This cap ensures the correct pressure in the cooling system, providing a precise and reliable fit. Its robust design and easy installation make it an ideal choice for welding projects in high-performance vehicles. Perfect for keeping the system running efficiently and without leaks.

Price 26.15 €
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Necks and Caps for High-Performance Cars

At Weld Racing Parts, we understand that when building or upgrading your racing car, every component matters. Radiator Necks and Caps play a critical role in efficiently managing engine cooling, especially under extreme performance conditions.

What Do Radiator Necks Do?

Radiator Necks provide a secure filling point and allow easy maintenance of coolant levels, crucial to preventing overheating during intense racing conditions.

  • Technical Material: Automotive-grade aluminium (6061 alloy), corrosion-resistant with excellent thermal conductivity.
  • Easy Welding: TIG-weldable for strong, reliable joints.
  • Universal Compatibility: Easily adaptable to modified OEM or aftermarket radiators.

Essential Function of Radiator Caps

Radiator Caps regulate internal system pressure, preventing coolant leaks and maintaining optimum engine temperatures under racing conditions.

  • Hermetic Seal: Prevents coolant loss and contaminants from entering.
  • Controlled Pressure: Available from 16 to 29 PSI, depending on specific requirements.

Importance in Motorsport

Every degree affects engine performance. By choosing specific Necks and Caps, you maintain stable temperatures, extend engine life, and achieve consistent competitive performance.

Technical Benefits of Our Components:

  • High Thermal Resistance: Engineered for extreme temperatures.
  • Reliable Performance: Maintains constant pressure and temperature during competition.
  • Proven Durability: Tested specifically under demanding racing conditions.

At Weld Racing Parts, we share your passion for technical excellence. Equip your car with our Necks and Caps and ensure maximum performance.