Billet Aluminium Weld-On Filler with Black Cap

NZKW Australia Billet Aluminium Weld-On Filler with Black Cap

Upgrade your fabrication or fluid system setup with the NZKW Australia Billet Aluminium Weld-On Filler with Black Cap, engineered for strength, precision, and a clean professional finish. Designed for custom builds and motorsport applications, this weld-on filler provides a secure and durable solution for fuel, coolant, catch can, or reservoir systems.

Machined from high-quality billet aluminium, this filler neck delivers excellent durability and corrosion resistance, while the black cap finish adds a sleek, motorsport-inspired look to any setup.

Key Features

• Precision billet aluminium construction for strength and durability
• Designed for weld-on installation for custom fabrication projects
• Includes stylish black anodised cap
• Suitable for fuel tanks, catch cans, coolant tanks, and reservoirs
• Clean, professional finish for performance engine bays
• Ideal for motorsport, street performance, and custom builds

Specifications

• Overall diameter: 51mm OD / 19mm ID
• Cap internal diameter: 38mm
• Welding seat diameter: 40.7mm OD

Built for Performance & Fabrication

The NZKW Billet Weld-On Filler is designed to provide a reliable sealing solution for custom fluid systems. Its precision-machined seating surface ensures a strong weld and secure fitment, while the billet construction guarantees long-term durability under heat, vibration, and pressure.

Why Choose NZKW Weld-On Fillers?

• Strong billet construction for fabrication use
• Clean weld-on design for custom applications
• Secure sealing with precision-machined fitment
• Motorsport-style aesthetic and functionality

Perfect for custom tanks and performance builds, the NZKW Australia Billet Aluminium Weld-On Filler with Black Cap delivers strength, style, and reliability in one professional-grade component.

Orders are dispatched within 24 hours, unless stated otherwise at time of ordering.

Online Only: 24 to 48 hours delay, but in some cases up to 5 days, depending on the product and third-party shipping.

Pre-order: Available only for items in transit to our Australian warehouse. Estimated dates depend on third-party shipping.

Special Order: Products we manufacture or need to restock. Average time is 3-5 weeks, but may vary depending on third- party shipping