Description
Product Overview
The Ailbiuko 150‑piece brass fitting kit is engineered for demanding automotive and air‑brake environments. Crafted from high‑grade CA360 brass, each component offers superior corrosion resistance, low permeability and excellent durability under extreme temperatures ranging from -40°F to +250°F. The set includes a balanced mix of DOT push‑to‑connect fittings, compression nylon tube fittings and traditional brass pipe fittings, covering straight, 90° elbow, union, tee, sleeve and socket styles. All connectors feature NPT threads in 1/4″, 1/8″, 3/8″ and 1/2″ sizes, meeting FMVSS 571.106 standards for air‑brake systems. Dimensions of the package are 9 × 6.8 × 2.2 inches and it weighs 5.41 lb, providing a compact yet comprehensive solution for professionals and hobbyists alike.
Usage
Designed for air brake lines, hydraulic circuits, fuel delivery and general pipework, this kit excels in both new installations and maintenance repairs. Mechanics can rely on the straight and elbow connectors for quick routing of air lines in trucks, buses and heavy‑duty equipment, while the union and tee fittings simplify branching and system expansions. The compression nylon tube fittings are perfect for flexible tubing applications where vibration resistance is critical. Ideal users include automotive service technicians, fleet maintenance teams, and DIY enthusiasts working on brake upgrades, air‑suspension systems or custom fluid circuits.

Why Choose Us
Ailbiuko combines rigorous material selection with precise manufacturing to deliver fittings that exceed industry expectations. Each piece undergoes strict quality control to ensure thread accuracy, leak‑free performance and consistent dimensional tolerances. The CA360 brass composition provides a balance of strength and flexibility, reducing the risk of cracking under thermal cycling. Our kit is backed by a solid reputation in the automotive replacement market, reflected in a 4.2‑star rating from verified buyers and a best‑seller rank in the automotive brake fittings category.
Key Features
- Comprehensive 150‑piece assortment covering all common connection types.
- High‑quality CA360 brass offers corrosion resistance and high‑temperature durability.
- Meets FMVSS 571.106 standards for air‑brake system safety.
- Pressure rating up to 300 psi and temperature range -40°F to +250°F.
- Easy installation with standard tools; includes both push‑to‑connect and compression styles.
FAQ
What thread sizes are included?
The kit contains NPT threads in 1/4″, 1/8″, 3/8″ and 1/2″ sizes, covering most automotive and air‑brake applications.
Can these fittings be used with plastic tubing?
Yes, the compression nylon tube fittings are designed for flexible plastic tubing, providing a secure seal without crushing the tube.
Are the fittings compatible with high‑pressure air systems?
Absolutely. Each fitting is rated for up to 300 psi, making them suitable for high‑pressure air brake lines and pneumatic tools.
Do I need special tools to install the push‑to‑connect fittings?
No special tools are required for the push‑to‑connect style; simply insert the tube and lock the connector. For compression fittings, a standard wrench is sufficient.
Is this kit covered by a warranty?
All Ailbiuko products come with a limited one‑year warranty against manufacturing defects, ensuring peace of mind for professional and personal use.







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