Walker 350-34459 Oxygen Sensor - Upstream, Upstream Front or Upstream Rear

Walker 350-34459 Oxygen Sensor for Chrysler, Dodge, Mitsubishi, Jeep

Walker Products 350-34459 is a heated oxygen sensor built as a specific-fit OE replacement for select Chrysler, Dodge, Mitsubishi, and Jeep applications. It is engineered to provide the ECU with the feedback needed for accurate fuel control and emissions monitoring.

Key Features

• Heated oxygen sensor for faster operating response
• Specific-fit design for the listed upstream positions
• 4-wire configuration with female radiused polygon connector
• Threaded mounting with 18.0 mm thread diameter
• Wiring harness length: 21.18 in.; overall length: 24.72 in.
• Walker Products Aftermarket part number 350-34459

Product Details

Walker Products Aftermarket focuses on engine management and oxygen/air-fuel sensors engineered as direct OE-style replacements. Part number 350-34459 is built for the correct application and fitment position, helping maintain the diagnostic feedback the ECU expects from the upstream sensor. This oxygen sensor is listed for 1996-2000 Jeep Grand Cherokee, 1997-2000 Chrysler Sebring, 1997-2000 Dodge Avenger, and 1997-1999 Mitsubishi Eclipse in the specified upstream locations.

This part cross-references no listed interchange numbers in the provided data. For shoppers searching by vehicle, this Walker 350-34459 oxygen sensor is a direct-fit option for Chrysler Sebring upstream oxygen sensor replacement, Dodge Avenger upstream oxygen sensor replacement, Mitsubishi Eclipse upstream oxygen sensor replacement, and Jeep Grand Cherokee upstream oxygen sensor replacement.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Poor engine running caused by incorrect air-fuel feedback
• Increased fuel consumption from inaccurate sensor readings
• Higher exhaust emissions from a failing upstream sensor
• Fault codes stored in the ECU for sensor-related issues

Installation Notes and Tips

Confirm the vehicle year, make, model, and sensor position before ordering. This sensor is a threaded, specific-fit unit, so match the connector style, wire count, and harness length to the original part. Inspect the sensor wiring harness and connector for heat damage, corrosion, or physical wear before installation, since damaged wiring can shorten sensor life and affect readings.

Quality Assurance

Walker Products has manufactured engine management components since 1946 and operates as an ISO 9001/TS 16949 certified company. The 350-34459 oxygen sensor is produced for the listed application and position to support proper ECU feedback and emissions-system operation.