Upgrade your custom fabrication projects with the Earl’s 3/8" NPT Female Weld Boss, engineered for reliable performance and professional-grade durability. Made from lightweight 6061 aluminum, this weld boss provides a strong, clean mounting point for sensors, fittings, or custom tank modifications across a wide range of automotive and motorsport applications. Designed with precision dimensions and a smooth natural finish, this weld boss ensures excellent weldability, corrosion resistance, and long-term structural integrity. Whether you’re building custom tanks, adding sensor ports, or fabricating race-ready components, Earl’s delivers consistent quality you can trust.
Features:
- Lightweight 6061 aluminum construction
- 3/8" NPT female fitting for versatile sensor or fitting installation
- Round Boeing-style weld base for secure mounting
- Precision-machined for clean welds and reliable sealing
- Natural finish for improved corrosion resistance
- Ideal for custom tanks, fabrication, and racing applications