Description
Product Overview
The Allstar 16mm O‑Ring power steering fitting is engineered for precision and durability in demanding automotive applications. Crafted from high‑grade machined metal, the fitting features a 16mm thread size with NPT (National Pipe Thread) specifications, ensuring a secure, leak‑free connection. An integrated O‑ring provides a tight seal against fluid escape, while the compact 4.2 x 3.3 x 0.2‑inch dimensions allow easy installation in tight steering boxes and rack assemblies. Each pack contains six fittings, each weighing just 0.32 ounces, making them lightweight yet robust for long‑term performance.
Usage
Designed for power steering systems, this fitting is ideal for both professional mechanics and DIY enthusiasts. It works seamlessly with most power steering boxes, racks, and hydraulic lines that require a 16mm male connection with an O‑ring seal. Whether you are rebuilding a steering rack, converting a steering box, or performing routine maintenance, the Allstar fitting delivers consistent fluid flow and prevents leaks under high pressure. 
Why Choose Us
Allstar Performance is renowned for manufacturing automotive components that meet rigorous industry standards. Each fitting undergoes strict quality control, guaranteeing exact thread tolerance and a flawless O‑ring seat. The machined exterior finish resists corrosion and wear, extending the service life even in harsh environments. Backed by a solid reputation and positive customer reviews (average 4.1 out of 5 stars), Allstar provides confidence that the fitting will perform reliably in critical steering applications.
Key Features
- Precision 16mm NPT male thread for secure hydraulic connections
- Integrated O‑ring design delivers a leak‑free seal under high pressure
- Durable machined metal construction resists corrosion and wear
- Compact size (4.2 x 3.3 x 0.2 inches) fits easily in tight steering assemblies
- Pack of six fittings provides value for professional and DIY projects
FAQ
What type of steering systems is this fitting compatible with?
The fitting is suitable for most power steering boxes and rack‑and‑pinion systems that require a 16mm male NPT connection with an O‑ring seal.
Do I need additional tools to install the fitting?
Installation typically requires a standard 16mm wrench or socket and a torque wrench to achieve the recommended torque specifications. No special tools are needed.
Is the O‑ring included with the fitting?
Yes, each fitting comes with a pre‑installed O‑ring calibrated to the exact groove dimensions for optimal sealing performance.
Can this fitting be used for fluid types other than power steering fluid?
While designed for power steering fluid, the high‑quality metal and O‑ring materials are compatible with other hydraulic fluids, provided the system operates within the fitting’s pressure rating.
What is the warranty on this product?
Allstar Performance offers a limited one‑year warranty covering manufacturing defects, ensuring you receive a reliable component for your steering projects.







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