Subaru Impreza Emission Control Sensors
Emission control sensors for the Subaru Impreza span model years 1993 through 2026, covering oxygen sensors, air/fuel ratio sensors, mass air flow sensors, knock sensors, and manifold absolute pressure sensors in direct-fit and OE replacement forms. Pick your Subaru Impreza's year above to narrow the list to emission control sensors with confirmed fitment. Every part shown is checked against our vehicle data.
Walker Products 350-64037 Air Fuel Ratio Oxygen Sensor - 4-Wire
Walker Products 350-64002 Oxygen Sensor 4-Wire Air Fuel Ratio
Walker Products 350-34052 Oxygen Sensor 4-Wire Direct Fit Narrow-Band
Walker Products 350-34322 Oxygen Sensor 4-Wire Heated Direct Fit Narrow-Band
Dorman 904-7033 Air Inlet Manifold Absolute Pressure (MAP) Sensor HD Solutions
What's here for your Subaru Impreza
- Oxygen Sensors — threaded direct-fit and universal styles for upstream and downstream positions
- Air / Fuel Ratio Sensors — OE replacement and remanufactured units
- Mass Air Flow Sensors — direct-fit and kit options
- Ignition Knock (Detonation) Sensors — manifold-mount and inline fitments
- Manifold Absolute Pressure Sensors — direct-fit replacements
The widest selection here comes from DENSO, Walker Products, Standard Motor Products, and Delphi, each offering broad coverage of Subaru Impreza model years. Other categories Subaru Impreza owners shop for: Subaru Impreza Springs and Suspension Parts, Subaru Impreza Shocks and Struts and Subaru Impreza Engine Block Parts, or browse all Subaru Impreza parts and accessories.