This 4-wire narrow-band oxygen sensor fits 2007-2008 Dodge Sprinter 2500, 3500, 2010-2011 Mercedes-Benz ML450 and 2011-2015 Mercedes-Benz SLS AMG in the downstream position 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 350-34068 Oxygen Sensor Features:

• Fits 2007-2008 Dodge Sprinter 2500, 3500; 2010-2011 Mercedes-Benz ML450; 2011-2015 Mercedes-Benz SLS AMG
• Engine coverage includes 3.5L V6, 6.3L V8 applications
• 4-wire narrow-band oxygen sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex, 725 mm (28.5 in.) overall length
• Female square connector at the harness end
• Platinum electrode layer with a protective coating against combustion residue