2Pcs AN Flare Cap Aluminum 8AN 10AN 12AN Fitting Cover

2Pcs AN Flare Cap – Aluminum Alloy Sealed Fitting Cover (8AN / 10AN / 12AN)

Keep your car's fuel and fluid lines protected and leak-free with these premium AN Flare Caps. Machined from lightweight, anodized aluminum alloy, this set of two sealed caps is engineered to cover exposed or unused male AN fittings, blocking debris ingress and preventing fluid leaks on modified and performance vehicles.

Specifications

• Material: Anodized Aluminum Alloy
• Color: Black
• Sizes Available:
  • 8AN: 0.98 × 0.86 inches
  • 10AN: 1.06 × 1.18 inches
  • 12AN: 1.26 × 1.02 inches
• Maximum Working Pressure: 1,500 PSI
• Operating Temperature Range: -65°F to 252°F (-54°C to 122°C)
• Package Contents: 2 × AN Flare Nut Cap Adapters (your choice of AN8, AN10, or AN12)

Key Features

• Superior Sealing Performance: Specially designed for male AN torch-style fittings, these caps create a tight, reliable seal over exposed or unused AN ports — keeping fluids in and contaminants out.
• Premium Anodized Aluminum Build: Constructed from lightweight aluminum alloy with an anodized finish that boosts surface hardness, oxidation resistance, and long-term durability under demanding conditions.
• Effective Component Protection: Beyond preventing fluid leaks, the caps shield male hose fittings and adapters from dirt, debris, and corrosion, maintaining clean and properly functioning equipment.
• Broad Fuel Compatibility: Fully compatible with petrol and alcohol-based fuels, making them ideal for a wide range of performance and modified vehicle applications.
• Precision Fit: Engineered to precisely mate with exposed or unused AN plugs, ensuring a snug, stable seating that won't loosen under vibration or pressure.

What's in the Box

• 2 × AN Flare Nut Cap Adapters (AN8 / AN10 / AN12 — select your size)

Made in Mainland China.

Note: Slight color variations may occur between product images and the actual item due to monitor settings. Minor dimensional differences are possible due to manual measurement.

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Learn more: FuelEconomy.gov driving efficiency guidance

Frequently Asked Questions

Q: What AN fitting sizes do these aluminum flare caps fit?

A: These AN flare caps are available in three sizes — 8AN, 10AN, and 12AN. Each listing includes 2 caps of the same size. Please select the appropriate size for your specific AN fitting when ordering.

Q: Are these AN caps compatible with fuel lines used in modified cars?

A: Yes. These caps are fully compatible with both petrol and alcohol-based fuels, making them well-suited for modified, performance, and motorsport vehicle applications where AN fittings are commonly used.

Q: What pressure and temperature range can these caps handle?

A: These AN flare caps are rated for a maximum working pressure of 1,500 PSI and can operate in temperatures ranging from -65°F to 252°F, ensuring reliable performance across a wide range of engine bay conditions.

Q: Why should I use these caps on unused AN fittings?

A: Leaving AN fittings exposed can allow debris, moisture, and contaminants to enter the line, potentially causing corrosion or blockages. These caps seal off unused ports to keep your fuel system clean, protected, and functioning properly.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.