Oxygen Sensor for 2006-2014 Lexus IS250 & More - Walker 350-34141

Walker Products 350-34141 oxygen sensor for the 2006-2014 Lexus IS250 V6 2.5L and other vehicles measures the oxygen content of the exhaust gas. This 4-wire narrow-band sensor tracks the air-fuel ratio for combustion efficiency.

• Coating protects the electrode surfaces from combustion residue and particulates in the exhaust gas
• Oxygen readings help fine-tune the air-fuel mixture to improve fuel economy
• Monitors exhaust gases to help reduce pollutants
• Electrodes made of a gas-permeable platinum layer
• Made for its specific application and position, with the diagnostic feedback the ECU requires

Quick facts

• Part: Walker Products 350-34141 oxygen sensor
• Fits: 2006-2014 Lexus IS250 V6 2.5L and other vehicles
• Position: Downstream left, downstream right
• Condition: New

A failing sensor can show up as rough running, higher fuel use, more exhaust emissions or a lit malfunction indicator light. A damaged wiring harness or connector, or an exhaust leak, can produce the same signs, so track down the cause before you buy a sensor.

Fits

This direct-fit oxygen sensor replacement covers several Lexus models, including the 2006-2014 Lexus IS250 V6 2.5L, the 2007-2011 Lexus GS450h V6 3.5L and the 2007-2011 Lexus GS350 V6 3.5L. The listing is one sensor, and the quantity per car is one. If your car is not named here, look up your year and engine on the Buyer's Guide tab.

Specifications