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Earls Inverted Flare to AN Adapter Fitting

5/8"-18 Inverted Flare Male w/ Long Thread to AN -6 Male Adapter Fitting - Black Anodized Aluminum

Part # AT991947LERL Be the first to write a review
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These new fittings are made w/ slightly longer threads on the inverted flare end of the fittings. In some applications, the old style fittings would bottom out on the threads before the flare would seal correctly. The Steel adapters are recommend for Power Steering applications, and the aluminum fittings are ideal for most other inverted flare applications. Choose from fittings w/ nickel-plated steel, blue anodized aluminum, or black anodized aluminum.


  • Inverted Flare to AN Adapter Fittings w/ Longer Thread
  • Choose From Steel w/ Nickel Plating or Blue or Black Anodized Aluminum Fittings
  • Note the “L” Added to the Part Number for Long Threads – Just Before The “ERL”

About Earls

Earl's Performance Plumbing brought aviation fluid transfer technology to the automotive performance market over five decades ago. With the most extensive line of plumbing products available, you can count on Earl's from start to finish.

Adapter AN Size ( A )6 AN MALE
Adapter Port Size ( B )5/8-18 I.F.
Adapter TypeFuel Pump / Power Steering / Carb Adapter
Brand Earls
Emission Code5
FinishAnodized Black
Hose Size6 AN
Product TypeFuel Pump / Power Steering / Carb Adapter
Part NumberAT991947LERL

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.


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