#8 Steel Cap

The #8 Steel Cap from Aeroquip is an essential hydraulic fitting component designed for professional mechanics and fabricators working on custom automotive builds, performance systems, and industrial fluid applications. This steel cap serves as a reliable closure or protective fitting for #8 JIC hose assemblies, preventing contamination and fluid loss in high-pressure hydraulic circuits. Whether you're upgrading brake lines, fuel systems, or custom suspension components, having quality steel caps on hand ensures leak-free connections and system integrity during assembly and testing.

Constructed from durable steel, the #8 Steel Cap features robust engineering that withstands the pressures and vibrations inherent in automotive hydraulic systems. The cap's compact design—measuring 2.3 x 1.1 x 3.75 inches—allows for easy installation and storage while maintaining excellent durability despite its lightweight profile of just 0.14 lbs. Aeroquip's reputation for precision manufacturing ensures that this fitting meets strict tolerances, providing a secure seal that prevents moisture intrusion and maintains system cleanliness during long-term storage or interim vehicle assembly stages. The steel construction resists corrosion better than inferior materials, making it ideal for both street vehicles and off-road applications exposed to harsh environments.

This #8 Steel Cap is essential for anyone maintaining, restoring, or building custom hydraulic systems on performance vehicles, trucks, or specialty automotive projects. Professional fabricators, transmission builders, and suspension specialists rely on Aeroquip fittings for their consistency and reliability under demanding conditions. Installation is straightforward—simply thread the cap onto your #8 JIC male port to create a sealed end. Keep several caps in your shop inventory for plug-and-play convenience when capping off hose ends during system assembly, pressure testing, or long-term storage. For maximum system protection and leak prevention, pair this cap with matching Aeroquip hose and fitting components throughout your hydraulic circuit.