Earls O.E. Fuel Line EFI Quick Connect -6 to 5/16" - 991965ERL - Modern Day Muffler

Earls O.E. Fuel Line EFI Quick Connect -6 to 5/16" - 991965ERL

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Earl's Quick Connect Adapter fittings are a slick easy way to use AN plumbing with late model OE fuel rails & fuel lines. Each quick connect uses two reusable metal retainers that won't break or melt. The secondary retaining clip is attached to the fitting on a tether chain.


  • One hand “click” connection to OE line
  • Metal internal and external retainer provides a reliable & reusable fuel connection that cannot snap loose or melt like some plastic retainers
  • O-ring material developed specifically for the same application on factory vehicles to tolerate today’s fuel additives and E85
  • Tether chain keeps secondary retainer clip attached to the adapter so it is always handy (installed retainer can also be safety wired to adapter for additional safety)
  • Fits Most Vehicles w/ 5/16" Fuel Rail - SAE Standard Connection

Year Make Model Submodel Engine Size

Adapter Type Quick Connect
Brand Earls
Color Blue
Emission Code 4
Finish Anodized Blue
Hose Size 6 AN
Material Aluminum
Max Working Pressure 72 PSI
Product Type Fuel Line Adapter
Tube Size 5/16"
Warning California Proposition 65