Tube Nuts

NZKW Tube Nuts – AN Hose End Retaining Nuts

The NZKW Australia Tube Nuts are designed for use in AN hose assemblies to provide a secure and reliable locking solution for performance fluid systems. Ideal for fuel, oil, and coolant applications, these precision-machined tube nuts ensure a tight and leak-resistant connection when assembling or maintaining AN hose setups. Built for motorsport and high-performance use, they deliver durability, strength, and a professional finish.

Available Sizes / Options

3AN
4AN
6AN
8AN
10AN
12AN

Colours

Black
Blue

Specifications

Material: CNC-machined aluminium
Connection type: AN tube nut / hose end component
Finish: Anodised for corrosion resistance and durability
Application: Fuel, oil, and coolant hose assemblies
Design: Precision threaded retaining nut for AN systems
Compatibility: AN braided and PTFE hose systems

Key Features

Secure locking component for AN hose assemblies
CNC-machined aluminium construction for strength and precision
Anodised finish for long-term corrosion resistance
Available in multiple AN sizes for universal fitment
Ideal for rebuilding or maintaining AN hose systems
Provides consistent sealing performance when correctly installed
Suitable for high-vibration motorsport environments

Compatible With / Applications

Fuel system hose assembly and maintenance
Oil feed and return line setups
Coolant system plumbing
Turbo oil and fluid transfer lines
Motorsport and performance street builds
Custom AN hose fabrication

Built for Performance & Reliability

The NZKW Tube Nuts are engineered to ensure secure and consistent performance in AN hose systems. Designed for high-pressure and high-vibration environments, they provide a reliable locking interface that helps maintain sealing integrity across fuel, oil, and coolant applications.

Why Choose NZKW Australia?

🇦🇺 Australian owned and operated
🏁 Years of proven motorsport development and real-world track testing
✅ Trusted by performance workshops, race teams, and enthusiasts
Precision-engineered, premium-quality components built for reliability
🚚 Fast Australia-wide shipping
Designed for street, drift, drag, circuit, and off-road applications
Backed by expert product knowledge and local support