This brand-new set of 4 high-flow fuel injectors restores proper fuel delivery, idle quality, emissions performance, and throttle response for select Subaru Impreza and Legacy models. These injectors match OEM specs and replace worn, clogged, or leaking factory injectors.
Ideal upgrade or replacement for aging fuel systems.
2005, 2006, 2007, 2008, 2009, 2010, 2011
(Select engines — check part number)
2004, 2005, 2006, 2007
Direct replacement for:
16611-AA680 (Primary OEM number)
Interchange/compatible with Subaru OE injector variants used on select EJ25 applications
If your injector has part number 16611-AA680, these will fit.
May also replace the following aftermarket references:
KFKGF fuel injector kits
Aftermarket equivalent 16611-AA680
Standard Motor Products, Beck/Arnley, Delphi cross references (when compatible with AA680 spec)
Set of 4 brand-new fuel injectors (not remanufactured)
Flow-matched for consistent fuel delivery
Precision-machined spray pattern for better combustion
Restores lost power, fuel economy, and smooth idle
Upgraded internal components for long-term reliability
Ready to install — includes O-rings/seals where applicable
These injectors fix:
Misfires or rough idle
Poor fuel economy
Hard starting
Fuel smell or leaking injectors
Loss of power or hesitation
Check engine light (injector circuit/range codes)
4× Fuel Injectors (Matched set)
Pre-installed seals (if applicable)
Safe protective packaging
Always replace injectors as a set for best results
Reset ECU or clear codes after installation
Check fuel pressure and inspect filter if injectors failed due to clogging
Use quality fuel to extend injector life
OEM-spec performance
Perfect fit for Subaru 2.5L models using AA680 injectors
Excellent value and reliability
Fast installation and plug-and-play compatibility