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Earls AN Port Plug - Allen Head

-16 AN Port Plug w/ O-Ring Seal, Blue Anodized Aluminum

PART# 981316ERL

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These new AN port plugs feature a slim, modern lightweight design with an internal Allen head hex. The design of these plugs is more attractive than traditional port plugs, and they are available in blue or black anodized finish. Made from 2024 Aluminum. The -3 AN to -6 AN sized plugs are available in pairs and the larger sizes are sold individually.


  • Modern Lightweight AN Port Plugs
  • Material: 2024 Aluminum
  • Finish: Blue to Black Anodized
  • Sizes -3 AN to -20 AN
  • Includes O-Ring
  • More Attractive Than Traditional Hex Head Style Port Plugs
  • -3 AN to -6 AN Sized Plugs – Sold in Pairs
  • -8 AN to -20 AN Sized Plugs – Sold Individually
  • Includes O-Ring


Adapter AN Size ( A )1-5/16-12 Male O-Ring (16 AN)
Adapter TypeAN Port Plug
Emission Code5
FinishAnodized Blue
Material2024 Aluminum
Product LinePremium
Product TypeCaps and Plugs
Quantity Per Pkg.1
Wrench Size3/8"
Part Number981316ERL

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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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