The 5-wire wide-band oxygen sensor is a replacement sensor for 2013 Ford Fusion, 2015 Ford Transit, Transit-150, Transit-250, Transit-350 and Transit-350 HD in the upstream position. It measures the exhaust air-fuel ratio across a broad range so the engine computer can meter fuel precisely. A built-in heater brings the element to operating temperature quickly after a cold start.

Walker Products 350-35071 Oxygen Sensor Features:

• Fits 2013 Ford Fusion; 2015 Ford Transit, Transit-150, Transit-250, Transit-350, Transit-350 HD
• Engine coverage includes 2.5L I4, 3.7L V6 applications
• Sensor locations by application: B1S1, B2S1 (bank and sensor number)
• 5-wire wide-band oxygen sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex, 500 mm (19.7 in.) overall length
• Male square connector at the harness end
• Platinum electrode layer with a protective coating against combustion residue