Walker 250-24213 Oxygen Sensor - Downstream Left or Downstream Right

OE Oxygen Sensor for Lexus Downstream Fitment

Walker Products OE 250-24213 is a heated oxygen sensor built for specific downstream applications on select Lexus models. It is engineered as an OE-style replacement to deliver the diagnostic feedback the ECU expects, helping maintain proper fuel control and emissions monitoring.

For Lexus GS350, GS450h, IS250, IS350, IS F, and GS430 applications, this sensor is positioned for downstream left or downstream right locations depending on the vehicle and build date. Walker Products OE 250-24213 is a direct-fit oxygen sensor for targeted replacement service.

Key Features

• Heated oxygen sensor for downstream exhaust monitoring
• Specific-fit design for confirmed Lexus applications
• 4-wire configuration with 20-gauge wiring
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for vehicle-specific connection
• Wiring harness length: 19.21 in.; overall length: 22.76 in.
• Walker Products OE line for application-specific replacement fitment

Detailed Description

Walker Products OE 250-24213 is designed for downstream oxygen sensor service on select Lexus vehicles, including GS350, GS450h, IS250, IS350, IS F, and GS430 models across 2006-2017 coverage. This sensor supports ECU feedback by monitoring exhaust oxygen content after the catalytic converter, which is essential for emissions system operation and fault-code diagnosis. The Walker Products OE line focuses on application-specific fitment, so the connector, harness length, mounting style, and sensor configuration are matched to the listed vehicle positions.

This part cross-references Walker Products OE 250-24213 for the same application.

What This Sensor Helps Address

• Check engine light related to downstream oxygen sensor faults
• Poor fuel economy caused by inaccurate exhaust feedback
• Elevated exhaust emissions from a failing sensor
• Rough engine operation tied to sensor signal issues
• Diagnostic trouble codes stored in the ECU for oxygen sensor circuits

Installation Notes and Tips

Verify the exact position before ordering, since fitment varies by model, side, and build date. Confirm whether your Lexus requires downstream left or downstream right placement, especially on 2013-2014 GS350, GS450h, and IS250 applications. Inspect the sensor wiring harness and connector for heat damage, abrasion, or corrosion before installation, and check the exhaust threads for proper condition.

Compatible With: 2016-2017 Lexus GS450h, downstream right; 2013 Lexus GS450h, downstream right; 2007-2011 Lexus GS450h, downstream right; 2014 Lexus GS350, downstream right; 2014 Lexus GS350, downstream left; 2014 Lexus GS450h, downstream right; 2008-2014 Lexus IS F, downstream right; 2008-2014 Lexus IS F, downstream left; 2014 Lexus IS250, downstream right; 2014 Lexus IS250, downstream left; 2013 Lexus GS350, downstream right; 2007-2011 Lexus GS350, downstream right; 2013 Lexus GS350, downstream left; 2007-2010 Lexus GS350, downstream left; 2006-2013 Lexus IS250, downstream right; 2006-2013 Lexus IS250, downstream left; 2006-2013 Lexus IS350, downstream right; 2006-2013 Lexus IS350, downstream left; 2007-2011 Lexus GS450h, downstream left; 2007 Lexus GS430, downstream right; 2007 Lexus GS430, downstream left.

Quality Assurance

Walker Products has supplied engine management and oxygen/air-fuel sensors since 1946 and manufactures to ISO 9001/TS 16949 standards. The OE product line is built around application-specific replacement requirements for modern ECU-controlled vehicles.