Oxygen Sensor for 2014-2015 Lexus IS250 & More - Walker 350-34438

Walker Products 350-34438 oxygen sensor for the 2014-2015 Lexus IS250 V6 2.5L and other vehicles reads the oxygen in the exhaust gas to gauge combustion efficiency. This Walker Products oxygen sensor is a 4-wire, narrow-band, direct-fit unit for the downstream left or right position.

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

Quick facts

• Part: Walker Products 350-34438 oxygen sensor
• Fits: 2014-2015 Lexus IS250 V6 2.5L and other vehicles
• Position: Downstream left, downstream right
• Condition: New

A worn sensor can show up as rough running, higher fuel consumption or a lit malfunction indicator light. Damage to the wiring harness or connector can also be behind those signs, so look both over for physical damage with the engine off and cool before you replace the sensor.

Fits

The 2014-2015 Lexus IS250 V6 2.5L, the 2014-2018 Lexus IS350 V6 3.5L and the 2015-2018 Lexus RC350 V6 3.5L are among the fits, and each takes one sensor. It fits other Lexus models too. This listing is a single sensor.

Specifications