6AN O-Ring Port Plug Black Low Profile

The 6AN O-Ring Port Plug Black Low Profile is an essential component for plumbing high-performance fuel, oil, or water systems where unused ports must be securely sealed. Designed for enthusiasts and professional builders, this fitting provides a clean solution for blocking off -6 AN O-ring boss (ORB) ports in manifolds, fuel rails, or pumps. Utilizing this plug ensures a leak-free seal while maintaining a streamlined aesthetic in tight engine compartments. Whether you are looking to buy a replacement or completing a custom build, this plug offers the reliability required for demanding automotive environments.

Constructed from high-grade aluminum, the 6AN O-Ring Port Plug Black Low Profile features a black anodized finish for superior corrosion resistance and long-term durability. The low-profile design utilizes an internal Allen head drive, allowing the plug to sit nearly flush with the mounting surface to avoid interference with surrounding components. This fitting includes a pre-installed O-ring that creates a positive seal against the port face, eliminating the need for messy thread sealants or tapes. The precision-machined threads ensure smooth installation and a secure fit under high-pressure conditions.

This versatile fitting is ideal for anyone reviewing their fluid delivery system specifications to optimize space and performance. It is compatible with any standard -6 AN ORB port found on aftermarket fuel pressure regulators, oil filter sandwiches, and high-flow fuel rails. The lightweight aluminum construction makes it a preferred choice for racing applications where weight reduction is prioritized without compromising structural integrity. Installation is straightforward with a standard hex key, making it a simple yet effective upgrade for your professional plumbing project.