Fiat 500 Emission Control Sensors
This page brings together emission control sensors for the Fiat 500 covering model years 2009–2019, including oxygen sensors, manifold absolute pressure sensors, knock sensors, and air/fuel ratio sensors. Choose your model year above and this page keeps only the emission control sensors that fit your Fiat 500. Each listing is matched to our vehicle fitment data before it appears here.
Walker Products 350-64065 Air Fuel Ratio Oxygen Sensor - 4-Wire
Walker Products 225-1273 Manifold Absolute Pressure (MAP) Sensor
Walker Products 250-241255 Direct Fit Oxygen Sensor Narrow-Band - 4-Wire
Walker Products 250-25121 Wideband Oxygen Sensor 5-Wire O2 Sensor
What's here for your Fiat 500
- Oxygen Sensors — direct-fit and OE replacement units designed for manifold and downstream positions
- Manifold Absolute Pressure (MAP) Sensors — replacement sensors for intake manifold applications
- Ignition Knock (Detonation) Sensors — direct-fit replacements for the engine block mounting position
- Air / Fuel Ratio Sensors — OE-style upstream sensors for precise mixture monitoring
The widest selection here comes from Walker Products, DENSO, NTK Oxygen Sensors, and Bosch, offering a broad range of direct-fit and OE replacement options across the 2009–2019 Fiat 500 model years. Other categories Fiat 500 owners shop for: Fiat 500 Shocks and Struts, Fiat 500 Brake Service Kits and Fiat 500 Tires, or browse all Fiat 500 parts and accessories.