The oxygen sensor installs on select 2009-2020 Dodge, Fiat, Jeep and Ram applications. It signals whether the exhaust is running rich or lean so the engine computer can trim fuel delivery. A built-in heater brings the element to operating temperature quickly after a cold start.

Walker Products 350-34616 Oxygen Sensor Features:

• Fits 2013-2016 Dodge Dart; 2017-2020 Dodge Neon; 2009-2012 Fiat Panda; 2014-2020 Fiat 500L; 2016-2018 Fiat 500X; 2015-2018 Jeep Renegade; 2015-2017 Ram 700
• Engine coverage includes 1.2L I4, 1.4L I4, 1.6L I4 applications
• Sensor locations by application: B1S1, B1S2 (bank and sensor number)
• Used in both upstream and downstream positions, depending on application
• 4-wire narrow-band oxygen sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex, 325 mm (12.8 in.) overall length
• Female rectangle connector at the harness end
• Platinum electrode layer with a protective coating against combustion residue