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X AUTOHAUX Car Fuel Line Quick-Release Connector Review: Practical for everyday garage work

X AUTOHAUX 7.89mm SAE to 5/16 8mm Straight Car Fuel Line Hose Quick Release Connector Disconnect Hose Nylon 2 Sets
4.6
[Durable Nylon Construction]  High-quality nylon resists fuel and common fluids for long-lasting, reliable use.
[Precise Size Compatibility]  Compatible with 5/16 in (8mm) nylon hose; 7.89mm SAE and 20x20x78mm size.
[Tool-Free Installation]  Barbed end enables quick, secure hose connection for faster, time-saving assembly.
[Quick-Disconnect Lock]  Press the lock button to easily disconnect the fuel line for safe, fast removal.
[Residue-Free Clip]  Clip button connects without residue or damage, ensuring clean, repeatable fittings.
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Fuel-line hardware designed for safe, fast disconnection and reconnection during repairs and maintenance. Experience less faffing and more uptime thanks to a straightforward, durable design. Is X AUTOHAUX Car Fuel Line Quick-Release Connector the sensible choice for routine fuel-line jobs?

⚡ At a Glance
  • Connection Type: Quick-release barb connector for 5/16" (8mm) nylon hose with lock and clip buttons
  • Best for: DIY mechanics and garage technicians needing fast hose disconnects during maintenance
  • Not ideal for: Applications that require certified pressure-rated fittings or non-nylon hose diameters

Nylon quick-release connectors sized for 5/16" (8mm) fuel lines, measuring 20 x 20 x 78 mm. Lock button allows tool-free disconnection while clip button helps connect without residue or damage.


Fast, tool-free disconnection – thanks to the lock-button quick-release mechanism

Pressing the lock button releases the internal catch so the barb can be pulled free, allowing a clean disconnect without additional tools. The mechanism relies on a simple manual latch that disengages the barb when the button is depressed.

Quicker turnaround on repairs and inspections, reducing time under the vehicle. Handy during routine maintenance where repeated disconnects are needed.

Secure hose attachment – with a barbed straight connection

Barbed end grips the inner surface of a 5/16" (8mm) nylon hose, creating mechanical resistance to slippage once pushed fully onto the barb. The straight configuration keeps flow direction consistent with existing fuel lines.

Stable connection reduces the chance of hose blow-off during use. Practical for fuel-line runs where a firm, direct join is required.

Durable chemical resistance – with nylon construction

Nylon material specified for compatibility with fuel, gas and other common fluids, chosen for chemical resistance and longevity in contact with hydrocarbons. Construction aims to withstand repeated connect/disconnect cycles.

Long service life in typical garage conditions, so replacements are less frequent. Suitable for regular workshop use where parts face fuel exposure.

✨ The 4 Key Reasons for X AUTOHAUX Car Fuel Line Quick-Release Connector
  1. Nylon construction - Resists fuel and common workshop fluids for longer service life
  2. Lock-button quick release - Enables fast, tool-free disconnection during maintenance
  3. Barbed straight end - Provides a strong mechanical grip to 5/16" (8mm) hose
  4. Clip button connection - Connects without leaving residue or causing hose damage
📋 Technical Details at a Glance
  • Category: Home Improvement - Fuel Line Connector
  • Brand: X AUTOHAUX
  • Material: Nylon, suitable for fuel/gas and other common fluids
  • Compatible Hose Size: 5/16" (8mm) / 7.89mm SAE
  • Connector Type: Straight barb quick-release
❓ Frequently Asked Questions

Q: Will this fit a 5/16" fuel hose?

A: Yes, the connector is specified as suitable for 5/16" (8mm) nylon hose, described as 7.89mm SAE compatible.

Q: Can it be used with fuel or petrol lines?

A: Yes, nylon construction is specified for fuel/gas and other common fluid types, indicating suitability for fuel-line use.

Q: Is installation tool-free?

A: Yes, the barb end connects directly to the hose for easy installation and the lock button allows quick disconnection without tools.

🏆 Our Verdict

Ideal for DIY mechanics and garage technicians who need a quick, repeatable way to connect and disconnect 5/16" fuel lines. Nylon construction combined with a lock-button quick-release and clip connection keeps joints secure while allowing tool-free service. Durable build and simple operation make it a sensible spare to have on hand for routine workshop work.