The air/fuel ratio sensor installs in the upstream position on 2010-2013 Land Rover LR4, Range Rover Sport and 2010-2012 Land Rover Range Rover with the 5.0L V8 engine. It reports the exhaust air-fuel ratio 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 350-64077 Air/Fuel Ratio Sensor Features:

• Fits 2010-2013 Land Rover LR4, Range Rover Sport; 2010-2012 Land Rover Range Rover with the 5.0L V8 engine
• 4-wire wide-band air/fuel ratio sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex, 275 mm (10.8 in.) overall length
• Male square connector at the harness end
• Platinum electrode layer with a protective coating against combustion residue