2008 Mazda 3
Oxygen Sensor

This is a BuyAutoParts Oxygen Sensor (Note: New BuyAutoParts Brand Air Fuel Ratio Sensor - Direct Fit Plug). This Oxygen Sensor is guaranteed to fit your 2008 Mazda 3 . SKU number 48-03478-OZ

This is the upstream sensor that plugs into your vehicle's exhaust manifold. Your vehicle also has a downstream sensor on the exhaust pipe under the car; please verify which one your vehicle needs, or consider replacing them both for better long-term reliability! 100% direct-fit with a connector that plugs in just like OEM, backed by a one year, unlimited mileage warranty. Fits 2004-2009 Mazda3 non-turbo with California emissions equipment; check the emissions label under your hood to see if your car has ""federal"" or ""50-state"" emissions. This is the upstream sensor that plugs into your vehicle's exhaust manifold. Your vehicle also has a downstream sensor on the exhaust pipe under the car; please verify which one your vehicle needs, or consider replacing them both for better long-term reliability!