Earl's Performance Aluminum AN to NPT Adapter Tee Fittings

Earl's Performance AN to NPT Adapter Tee Fittings deliver a clean, professional solution for branching fluid lines or adding pressure gauge and sensor ports within fuel, oil, brake, and cooling system plumbing circuits. The tee configuration allows builders to split or tap into an existing AN fluid circuit and terminate one branch to an NPT-threaded port — all in a single, compact fitting that eliminates the need for additional adapters or inline tee blocks.

Backed by more than seven decades of motorsports plumbing expertise, these adapter tees are precision-machined to exacting tolerances for consistent, leak-free performance in even the most demanding racing and high-performance street applications. Multiple material and size combinations are available across the product line to accommodate virtually any plumbing layout or custom build requirement.

Key Features:

• AN to NPT Tee Configuration — Bridges AN (Army-Navy) and NPT (National Pipe Thread) standards in a single tee fitting, enabling fluid line branching or sensor and gauge port installation without additional hardware
• Precision Machined — Manufactured to tight tolerances for reliable, trouble-free installation and leak-free sealing across all fluid system applications
• Aluminum Construction — Lightweight yet durable aluminum build, with anodized finish options available across the product line for corrosion resistance and a clean appearance
• Wide Range of Size Combinations — Offered in multiple AN and NPT thread size pairings to support virtually any plumbing configuration
• Broad Application Compatibility — Suitable for fuel, oil, brake, and cooling system plumbing in racing, hot rod, and high-performance street builds
• Made in the USA — Designed and manufactured to the exacting standards trusted by professional racing teams worldwide

Earl's Performance has been a cornerstone of motorsports fluid system engineering since 1955, pioneering performance AN plumbing components and collaborating with top-tier racing programs across F1, IndyCar, and other premier series. Select the correct size and configuration variant from the options below to find the right tee fitting for your specific plumbing application.