The Russell 640873 EFI adapter fitting connects a -6 AN male hose end to a 12mm quick disconnect male line on the Ford return side, letting AN plumbing tie into a factory Ford EFI fuel system. It is machined from lightweight aluminum with a black anodized finish.
- Type: Ford EFI quick disconnect adapter fitting
- AN size: -6 AN male
- Other end: 12mm quick disconnect male
- Application: Ford EFI return side
- Material: lightweight aluminum
- Finish: black anodized
- Part number: 640873
FAQ
What vehicles is the Russell 640873 for?
It is designed for the Ford EFI return side, connecting a -6 AN male hose end to a 12mm quick disconnect male line.
Is the 640873 the feed or return fitting?
This adapter is for the return side of a Ford EFI fuel system.
What finish is the 640873?
It is black anodized lightweight aluminum.

