3/8" Fittings - Brass, Stainless Steel & Steel

Build reliable mid-flow connections with professional 3/8" fittings designed for pressure washing applications. Our selection includes brass, stainless steel, and steel fittings in multiple configurations for connecting hoses, pumps, unloaders, and accessories in 3/8" NPT systems.

Complete 3/8" Fitting Solutions

• Elbows & Adapters: 90-degree street elbows, reducing elbows, and thread adapters in 3/8" MPT and FPT configurations
• Nipples & Barbs: Close nipples, hex nipples, and hose barbs for secure hose connections
• Tees & Couplings: Tee fittings, hex couplings, and reducing couplings for branching and joining lines
• Plugs & Caps: Hex head plugs, square head plugs, and caps for sealing ports and terminating lines
• Material Options: Stainless steel for corrosion resistance, brass for durability, steel for strength and value

Whether you're plumbing a pressure washer, connecting hoses, or building custom manifolds, 3/8" fittings provide the versatile connections needed for mid-flow applications. Stainless steel fittings offer superior corrosion resistance for chemical applications, while brass and steel options deliver reliable performance for standard pressure washing use. Explore our complete selection of Brass Fittings, Stainless Steel Fittings, Quick Connects, and All Products.