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#425751166ERL
Earls 751166ERL O.E. Fuel Line EFI Quick Connect, -6 AN to 3/8
5/16"
$27.98
/each
In Stock
$31.48
Save $3.50
Quantity
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Product Summary
Universal Fit, Quick connect Fitting Style, Anodized
Rebates Available
See rebate detailsKey Specs
| MFG. Part # | 751166ERL |
| Fitting End A | -6 AN Male |
| Fitting End B | 3/8" Female EFI Quick Connect |
| Angle | Straight |
| Material Type | Aluminum |
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Return PolicyEarls 751166ERL Details
Earls 751166ERL Details
The Earl's Vapor Guard™ product line has been expanded to include O.E. fuel line quick connect fittings. These adapter fittings allow an easy way to re-use existing OEM fuel rails, fuel filters, and other components when doing an engines swap, or upgrading to Vapor Guard™ (or other AN Plumbing). Each fitting has a -6 AN Male Flare, and a metal retainer nut for a secure leak-free connection to the 5/16" or 3/8" SAE style fuel tube. Constructed from 6061 T6 aluminum w/ black anodized finish.
Features:
- Allows Easy Transition from AN plumbing to OEM Late Model Fuel Rails, Fuel Filters, and Other Fuel System Components
- Material: 6061 Aluminum
- Metal Retainer Nut is More Secure Than Plastic Clip
- Black Anodized Finish
- -6 AN Male Flare
- Choose From Adapters that fit O.E. 5/16” or 3/8” Tube on Fuel Rails (and Other Components)
- Economically Priced
- Ideal for Use w/ Earls Vapor Guard™ Hose & Hose Ends
- Slim Design for Extra Clearance
Rebates
Holley IRS Sale 2026

Save 10% instantly on select products across the Holley family of performance brands during the annual Holley I.R.S.Tax Sale. Instant rebate period runs from February 17, 2026 through March 29, 2026.
CARB Warning
For race/ off road use only
CARB Warning
For race/ off road use only
Earls 751166ERL Specifications
Earls 751166ERL Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 751166ERL |
| Brand | Earls |
| Fitting End A | -6 AN Male |
| Fitting End B | 3/8" Female EFI Quick Connect |
| Angle | Straight |
| Material Type | Aluminum |
| GENERAL | |
| Notes | For use with late-model OEM fuel rails to connect AN fittings |
| GTIN Code | 090127064771 |
| Fitting Style | Quick connect |
| Gauge Port | No |
| Finish | Anodized |
| Color | Black |
| Sold in Quantity | Each |
| Swivel | No |
| Valved | No |
| AN Size | -6 AN |
| Adjustable | No |
| Reusable | Yes |
