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What our customers are saying:

"After being charged 49 cents to mail a couple of o-rings: "Thank you for being one of the few places that doesn't try to ship an o-ring via UPS and charge $10 for it. I'll take another look at your website for future needs.""
J.C. from Ohio

Plumbing Adapter Fittings

Whatever your vehicle, our adapter fittings will help you convert the plumbing system to AN-style braided stainless hoses.

Note: AN, BSP, and NPT nomenclature can be confusing because the nominal sizes do not refer to the outside diameter of the threads. If you are not sure if you have AN, BSP, or NPT threads, check in our Threaded Fitting Guide.

AN Adapters & Fittings

NPT Adapters & Fittings

O-Ring Boss Adapters and Fittings

AN Bulkhead Fittings

Jiffy-tite Quick-Connect Fittings to AN Adapters

Jiffy-tite Quick-Connect Fittings to NPT Adapters

Staubli SPT Series Non-Spill Fluid Couplings

Staubli RMI Series Dry-Disconnect Fluid Couplings

Metric Plumbing Adapters

BSP Adapters & Fittings

Banjo Adapters for Oil and Fuel Systems

Aluminum Banjo Bolts for Oil and Fuel Systems

Barbed Fittings and Adapters for Rubber Hose

Fuel System Plumbing Adapters & Fittings

Fuel Injection to AN Adapters

Check Valves & One-Way Valves

Manual Shut-Off Valves

Tee Fittings

Brake Adapter Fittings

Sealing Washers & O-Rings

Plumbing Tools

Tools and supplies that make assembly of competition plumbing systems easier

High-Performance Plumbing

Recent Top Selling Products for this category
AN Y-Fitting, Male Inlet to Male Outlets These special aluminum Y fittings split at 45 degree angles for better flow than standard T fittings. Male AN fittings on all 3 ends conform to JIC and SAE specifications.	AN816 Male NPT Pipe to Male AN Adapter These AN816-style NPT to AN straight adapter fittings conform to JIC and SAE specifications. Available in aluminum or steel.	Female Aluminum NPT Weld Bung Easily add an NPT port to any aluminum tank with one of our female threaded NPT weld bungs.