Product Description
ATI FNA1.0 is a 1" aluminum filler-neck adapter with two 3/8" hose barbs designed for gasoline truck applications. It’s commonly used to plumb an inline pump feed and a return line when installing a gasoline auxiliary/refueling setup.
Key Features
- 1" OD filler-neck adapter body, aluminum construction.
- Two 3/8" hose barbs: one for pump pickup/feed, one for return line.
- Designed to fit most gasoline truck filler necks (verify neck size and clearance).
- Pairs well with ATI gasoline hose & clamp kits for a clean install.
Fitment
Fits most gasoline truck filler necks that accept a 1" OD adapter. Always verify your vehicle’s filler-neck diameter and available space before installation.
What’s Included
- ATI FNA1.0 1" aluminum filler-neck adapter with two 3/8" barbs
Compliance & Safety
California Proposition 65: This product may contain chemicals known to the State of California to cause cancer or reproductive harm. See www.P65Warnings.ca.gov.
FAQ
- What do the two 3/8" barbs do?
- One barb typically feeds an inline gasoline pump (pickup) and the other returns fuel back to the tank/filler neck in an auxiliary setup.
- Will this fit my truck?
- It’s designed to fit most gasoline truck filler necks that accept a 1" adapter. Measure your neck OD and check space around the fill area to confirm.
- Is it aluminum?
- Yes—this adapter is manufactured from aluminum for durability and corrosion resistance.
- Do I need extra parts to install it?
- Most installs also use gasoline-rated hose and clamps to connect the barbs to your pump/return lines (often sold as a kit).
