-6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM
-6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM is a durable fuel line connector priced at $7.91. Made for GM LS engines, it enables secure -6AN to 3/8 in quick-connect fuel line transitions, ideal for automotive performance upgrades and fuel system repairs.
● In stock
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Key features
- Converts -6AN to 3/8 in quick-connect with clip
- OEM-style fit for GM LS fuel rails
- Black corrosion-resistant finish
- Includes retaining clip for secure fit
- Direct install, no modifications needed
- Compact design for tight engine spaces
- High-flow fuel path for performance use
Pros
- +Affordable at $7.91
- +Secure clip-in connection
- +Durable metal construction
- +OEM-compatible fit
- +Easy installation
Cons
- −Limited to GM LS applications
- −Single-use retaining clip may wear
About -6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM
What is -6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM?
The -6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM is a precision-engineered fuel line adapter designed for seamless integration in GM LS-based engine builds. Priced at $7.91 and sold by Lab Work Auto, this black-finished fitting converts a -6AN (3/8 in) flare connection to a 3/8 in quick-connect fuel line with retaining clip, ensuring leak-free performance in high-pressure fuel systems. It's commonly used in performance, restoration, and aftermarket fuel system installations where reliable, OEM-style connections are required.
Key features
- Conversion Capability — Adapts -6AN male to 3/8 in quick-connect female with clip.
- OEM-Compatible Design — Matches GM LS fuel rail specifications for secure fitment.
- Durable Black Finish — Corrosion-resistant coating for long-term underhood reliability.
- Includes Retaining Clip — Ensures secure attachment to quick-connect fuel lines.
- Direct Install — No modifications needed for LS engine platforms.
- Compact Profile — Fits in tight engine bays without clearance issues.
- High-Flow Design — Maintains fuel delivery efficiency without restriction.
Who is -6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM for?
This adapter is ideal for automotive enthusiasts, DIY mechanics, and performance builders working on GM LS engine swaps or fuel system upgrades. It’s especially useful when integrating aftermarket fuel rails or lines with factory-style quick-connect components. The fitting suits restorers maintaining OEM appearance while upgrading fuel delivery systems.
How does -6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM compare?
Compared to standard polypropylene or universal rubber adapters, this metal AN6-to-quick-connect fitting offers superior durability and pressure handling. It outperforms generic fuel barbs in safety and reliability, especially in high-performance applications. Unlike basic adapters lacking clips, this version ensures secure connection, reducing leak risks. It’s a cost-effective alternative to pricier billet fittings while maintaining OEM compatibility and function.
Best use cases
- →LS engine swaps in classic cars
- →Aftermarket fuel rail installations
- →Performance fuel system upgrades
- →Restoration with OEM-style parts
- →Repairing quick-connect fuel lines
Is -6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM right for you?
This adapter is best for DIY mechanics and automotive enthusiasts upgrading or repairing GM LS-based fuel systems. No advanced tools required—ideal for intermediate skill levels. If you're using aftermarket fuel rails but want to retain factory fuel lines, this fitting is a smart choice. Alternatives include universal fuel line adapters or custom hard lines, but they lack OEM compatibility and reliability.
How it compares: Compared to universal fuel adapters, this -6AN to 3/8 quick-connect fitting offers superior reliability and OEM fit for LS engines. It’s more durable than plastic or rubber connectors and safer than barbed fittings in high-pressure systems.
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What is the purpose of the -6AN to 3/8 quick connect adapter?
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This adapter connects a -6AN fuel line to a 3/8 inch quick-connect fuel rail, commonly used in GM LS engines. It allows integration of aftermarket components with OEM-style connections for reliable, leak-free fuel delivery in performance or swap applications.
Does this fitting include a retaining clip?
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Yes, the adapter comes with a retaining clip to secure the connection to the quick-connect fuel line. This ensures a tight, vibration-resistant fit that meets OEM safety standards and reduces the risk of fuel leaks under high pressure or engine movement.
How do you install the -6AN to 3/8 quick connect adapter?
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Attach the -6AN end to the fuel line using a matching male fitting, then insert the 3/8 quick-connect end into the fuel rail until the clip locks. Ensure the connection is fully seated and check for leaks after pressurizing the system.
Is this adapter compatible with all LS engines?
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Yes, it's designed to match GM LS fuel rail specifications, making it compatible with most LS-series engines. It works well in swaps and upgrades where a 3/8 in quick-connect is required from an AN6 fuel system.
Can this fitting handle high-pressure fuel systems?
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Yes, constructed for use in high-flow and high-pressure fuel setups, including forced-induction and performance applications. The metal body and secure quick-connect design maintain integrity under elevated fuel pressures commonly found in modified LS engines.
How much does -6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM cost?
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-6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM is $7.91 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is -6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM in stock at Lab Work Auto?
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Yes, -6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-016708