Front Oxygen Sensor for 2015-2016 Toyota Sienna & More - Walker 350-34074

Walker Products 350-34074 front oxygen sensor for the 2015-2016 Toyota Sienna V6 3.5L and other vehicles measures the oxygen content of the exhaust gas. It watches the air-fuel ratio for combustion efficiency and gives the ECU the diagnostic feedback it needs.

• Electrodes made of a gas-permeable platinum layer
• Monitors exhaust gases to help reduce pollutants
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Oxygen readings let the air-fuel mixture be fine-tuned, which supports fuel economy

Quick facts

• Part: Walker Products 350-34074 oxygen sensor
• Fits: 2015-2016 Toyota Sienna V6 3.5L and other vehicles
• Position: Downstream, downstream front
• Condition: New

A failing sensor can show up as rough running, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light. Before you replace this sensor, rule out physical damage to its wiring harness and connector, which should be inspected along with the sensor.

Fits

This listing is one sensor, and the 2015-2016 Toyota Sienna V6 3.5L takes one. The vehicles it fits include the 2011-2016 Toyota Highlander V6 3.5L and the 2010-2015 Toyota Prius 4-cylinder 1.8L. If your car is not named here, look it up on the Buyer's Guide tab to see whether it takes this sensor.

Specifications