3/16" & 1/4" Fitting Assortment | 32 SKU

  3/16″ & 1/4″ SAE Brake Line Fitting Kit Build, repair, or modify your hard-line system without hunting down individual pieces. The 4LifetimeLines® 3/16″ & 1/4″ SAE Brake Line Fitting Kit delivers every union, tee, adapter, and cap you need to create professional-grade brake, fuel, or hydraulic lines. Machined from corrosion-resistant alloy steel and finished to OEM tolerances, these fittings thread onto properly flared tubing for rock-solid, leak-free seals that meet DOT burst-pressure standards. What’s Included This comprehensive kit provides eight 3/16″ unions, four 1/4″ unions, four 3/16″-to-1/4″ adapters, two 3-way 3/16″ tees, two 3-way 1/4″ tees, plus matching dust caps for every open end. Live-rubber O-ring seals on the adapter backs ensure instant, maintenance-free tightness, while the precision-cut threads eliminate cross-threading and galling. To top it off, the kit also includes both SAE and metric brake line fitting gauges—so you can quickly identify line sizes an