Oxygen Sensor for 1999-2001 Hyundai Sonata & More - Walker 350-34302

Walker Products 350-34302 oxygen sensor for the 1999-2001 Hyundai Sonata 4-cylinder 2.4L and other vehicles reads the oxygen in the exhaust gas to track the air-fuel ratio. Each part number is made for its own application and fitting position, and it gives the ECU the diagnostic feedback it needs.

• Walker Products oxygen sensor with a narrow-band design and four wires
• Measures oxygen levels so the air-fuel mixture can be fine-tuned for fuel economy
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Electrodes made of a gas-permeable platinum layer
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 350-34302 oxygen sensor
• Fits: 1999-2001 Hyundai Sonata 4-cylinder 2.4L and other vehicles
• Position: Upstream, upstream rear, upstream front, downstream rear
• 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 find the cause before you buy a sensor.

Fits

The 1999-2001 Hyundai Sonata 4-cylinder 2.4L, the 2004-2006 Kia Amanti V6 3.5L and the 2002-2005 Hyundai XG350 V6 3.5L all take this sensor, along with many other vehicles. This listing is one sensor, and each of those cars takes one. If your car is not named here, look up its year and engine in the "Vehicles it fits" section.

Specifications