HomeEmission Control > SensorsWalker 250-241238 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 250-241238

Walker 250-241238 Oxygen Sensor - Downstream Left or Downstream Right

Walker Products OE, Downstream Left
⚙️ 58 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products OE, Downstream Left
🚗Fitment: Cadillac and Chevrolet, CT5, Camaro, CT6, ATS, and CTS
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Overview of Walker Products OE Oxygen Sensor 250-241238

The Walker Products OE Oxygen Sensor 250-241238 is designed for precise emission control in select Cadillac and Chevrolet vehicles. This sensor helps maintain optimal engine performance and emissions compliance for models including the ATS, Camaro, CT4, CT5, CT6, and CTS.

  • Compatible with Cadillac ATS, CT4, CT5, CT6, CTS and Chevrolet Camaro
  • Part number 250-241238 ensures exact fit and function
  • OE-quality sensor for reliable emission monitoring
  • Designed to meet original equipment specifications
  • Supports accurate air-fuel mixture readings for engine management

About the Walker Products OE Brand Line

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory standards. This oxygen sensor from the Walker Products OE series is engineered to provide consistent performance and durability, ensuring compatibility and reliability for emission control systems in Cadillac and Chevrolet vehicles.

Product Description and Functionality

The Walker 250-241238 oxygen sensor plays a critical role in monitoring the oxygen levels in the exhaust gases of your vehicle. By providing real-time data to the engine control unit (ECU), it helps regulate the air-fuel ratio for efficient combustion and reduced emissions. This sensor is specifically designed for use in Cadillac ATS, CT4, CT5, CT6, CTS, and Chevrolet Camaro models, ensuring proper fitment and operation within these vehicles' emission control systems.

Common Applications and Issues Addressed

  • Helps resolve rough idling caused by incorrect air-fuel mixture
  • Reduces engine hesitation and poor acceleration
  • Prevents increased fuel consumption due to faulty sensor readings
  • Assists in passing emissions inspections by maintaining proper exhaust output
  • Mitigates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 250-241238 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket for removal and installation to prevent damage. Verify the sensor connector matches the vehicle harness and avoid over-tightening to maintain sensor integrity. It is recommended to clear any diagnostic trouble codes after installation to reset the ECU.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet original equipment standards, providing reliable performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.

This part fits 58 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2023CadillacCT43.6LV6Downstream RightOE Base Sensor
2023CadillacCT53.0LV6DownstreamOE Base Sensor
2023ChevroletCamaro3.6LV6Downstream RightOE Base Sensor
2022CadillacCT43.6LV6Downstream RightOE Base Sensor
2022CadillacCT53.0LV6Downstream RightOE Base Sensor
2022ChevroletCamaro3.6LV6Downstream RightOE Base Sensor
2021CadillacCT53.0LV6GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products OE
2021CadillacCT53.0LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2021CadillacCT53.0LV6GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products OE
2021CadillacCT53.0LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2021ChevroletCamaro3.6LV6GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products OE
2021ChevroletCamaro3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2021ChevroletCamaro3.6LV6GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products OE
2021ChevroletCamaro3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2020CadillacCT53.0LV6GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products OE
2020CadillacCT53.0LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2020CadillacCT53.0LV6GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products OE
2020CadillacCT53.0LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2020CadillacCT63.6LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2020CadillacCT63.6LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2020CadillacCT63.6LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2020CadillacCT63.6LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2020ChevroletCamaro3.6LV6GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products OE
2020ChevroletCamaro3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2020ChevroletCamaro3.6LV6GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products OE
2020ChevroletCamaro3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2019CadillacATS3.6LV6GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products OE
2019CadillacATS3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2019CadillacATS3.6LV6GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products OE
2019CadillacATS3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2019CadillacCT63.6LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2019CadillacCT63.6LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2019CadillacCT63.0LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2019CadillacCT63.0LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2019CadillacCT63.6LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2019CadillacCT63.6LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2019CadillacCT63.0LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2019CadillacCT63.0LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2019CadillacCTS3.6LV6GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products OE
2019CadillacCTS3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2019CadillacCTS3.6LV6GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products OE
2019CadillacCTS3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2019ChevroletCamaro3.6LV6GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products OE
2019ChevroletCamaro3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2019ChevroletCamaro3.6LV6GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products OE
2019ChevroletCamaro3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2018CadillacATS3.6LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2018CadillacATS3.6LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2018CadillacATS3.6LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2018CadillacATS3.6LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2018CadillacCTS3.6LV6GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products OE
2018CadillacCTS3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2018CadillacCTS3.6LV6GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products OE
2018CadillacCTS3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2018ChevroletCamaro3.6LV6GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products OE
2018ChevroletCamaro3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2018ChevroletCamaro3.6LV6GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products OE
2018ChevroletCamaro3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.