Finding and using an inverted flare plug for quick fixes

If you're staring at a leaking hydraulic line, grabbing an inverted flare plug is usually the quickest way to stop the mess while you finish the rest of the job. It's one of those tiny components that you don't think about until you absolutely need one, usually right in the middle of a brake job or while you're trying to bypass a fuel line. These little plugs are designed to seal off a port that normally takes an inverted flare fitting, and they do it by mimicking the end of a flared tube. ...

April 24, 2026 · 7 min · Chartouni Leigh