This 4-wire narrow-band oxygen sensor fits select 2005-2026 Chrysler, Dodge, Ram, Fiat and other applications and 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 350-34213 Oxygen Sensor Features:

• Fits 2005-2023 Chrysler 300, Ram 1500; 2011-2017 Chrysler 200; 2011-2016 Chrysler Town & Country; 2017-2026 Chrysler Pacifica; 2020-2026 Chrysler Voyager
• Fits 2005-2006 Dodge Dakota, Magnum, Jeep Liberty, TJ; 2005-2026 Dodge Durango; 2005-2024 Ram 2500; 2005-2020 Ram 3500; 2006-2023 Dodge Charger
• Also fits select Chrysler, Dodge, Ram, Fiat, Jeep, Mercedes-Benz, Mitsubishi, SRT and Volkswagen applications
• Sensor locations by application: B1S1, B1S2, B2S1, B2S2 (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 square connector at the harness end
• Platinum electrode layer with a protective coating against combustion residue