Quick Access Fuel Filter System (ACF-400)

ACF-400 Quick Access Fuel Filter System

Upgrade your aircraft with a smarter, faster way to inspect and service your fuel filter.

The ACF-400 Quick Access Fuel Filter System is designed to eliminate the hassle of hard-to-reach fuel filters by allowing external access directly from the bottom of the aircraft. Whether you're performing routine maintenance or troubleshooting suspected contamination, the ACF-400 makes the process fast, simple, and reliable.

✈️ Why Builders Choose the ACF-400

• Access your fuel filter in seconds
  Remove and inspect the filter cartridge in under one minute—no disassembly of surrounding components required.

• External bottom access design
  Eliminates the need to reach into tight or inaccessible areas inside the aircraft.

• Built-in locking safety mechanism
  Ensures the cap stays securely in place during operation, with visible preflight verification.

• Mistake-proof installation
  Filter cartridge design prevents incorrect (upside-down) installation.

• Faster troubleshooting
  Quickly check for contamination or clogging without major teardown.

🔧 Specifications

• Compatible with 3/8" fuel lines (AN6 flare)

• Requires minimum .040" material thickness (template can be used as a doubler if needed)

• Precision-machined components for durability and reliability

• Uses standard aviation hardware and fittings