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Walker 250-241219 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Overview of Walker Products OE Oxygen Sensor 250-241219
The Walker Products OE Oxygen Sensor 250-241219 is designed for precise emission control in select INFINITI and Nissan vehicles. This sensor helps maintain optimal engine performance and reduces harmful emissions by accurately monitoring oxygen levels in the exhaust system.
- Compatible with INFINITI Armada, Q50, Q60, QX80, and Nissan Rogue models
- Part number 250-241219 ensures exact fit and function
- OE-quality sensor for reliable emission control
- Designed to meet or exceed original equipment specifications
- Supports efficient fuel management and engine operation
Product Line Details: Walker Products OE
The Walker Products OE line focuses on providing original equipment quality parts that meet strict manufacturing standards. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed components. Using a Walker Products OE sensor helps maintain the integrity of your vehicle’s emission system and supports compliance with environmental regulations.
Detailed Product Description
The Walker 250-241219 oxygen sensor is engineered to deliver accurate readings of the oxygen content in the exhaust gases of INFINITI and Nissan vehicles. By providing real-time data to the engine control unit, it enables precise air-fuel mixture adjustments, which are critical for efficient combustion and reduced emissions. This sensor is specifically compatible with INFINITI Armada, Q50, Q60, QX80, and Nissan Rogue models, ensuring a proper fit and function without modification.
Common Applications and Issues Addressed
- Helps resolve rough idling and engine hesitation
- Reduces increased fuel consumption caused by faulty sensors
- Prevents check engine light triggers related to oxygen sensor faults
- Supports emission system compliance and reduces exhaust pollutants
- Improves overall engine performance and responsiveness
Installation Notes and Tips
When installing the Walker 250-241219 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket for proper removal and installation to prevent damage. Verify the sensor’s connector matches the vehicle harness before installation. It is recommended to check for any exhaust leaks and clean the mounting area to ensure accurate sensor readings.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet or exceed original equipment standards, providing reliable performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain your vehicle’s emission system integrity and supports long-term engine health.
This part fits 61 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2024 | INFINITI | Q50 | 3.0L | V6 | Downstream Right | OE Base Sensor | ||
| 2024 | INFINITI | QX80 | 5.6L | V8 | Downstream Right | OE Base Sensor | ||
| 2024 | Nissan | Armada | 5.6L | V8 | Downstream Right | OE Base Sensor | ||
| 2023 | INFINITI | Q50 | 3.0L | V6 | Downstream Right | OE Base Sensor | ||
| 2023 | INFINITI | QX80 | 5.6L | V8 | Downstream Right | OE Base Sensor | ||
| 2023 | Nissan | Armada | 5.6L | V8 | Downstream Right | OE Base Sensor | ||
| 2022 | INFINITI | Q50 | 3.0L | V6 | Downstream Right | OE Base Sensor | ||
| 2022 | INFINITI | Q60 | 3.0L | V6 | Downstream Right | OE Base Sensor | ||
| 2022 | INFINITI | QX80 | 5.6L | V8 | Downstream Right | OE Base Sensor | ||
| 2022 | Nissan | Armada | 5.6L | V8 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2022 | Nissan | Armada | 5.6L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2022 | Nissan | Rogue | 1.5L | L3 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2021 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2021 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2021 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE |
| 2021 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2021 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2021 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2021 | INFINITI | QX80 | 5.6L | V8 | GAS | Downstream Right | 09/2019 Downstream Right; Walker Products OE | |
| 2021 | INFINITI | QX80 | 5.6L | V8 | GAS | Downstream Left | 09/2019 Downstream Left; Walker Products OE | |
| 2021 | Nissan | Armada | 5.6L | V8 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2021 | Nissan | Armada | 5.6L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2021 | Nissan | Rogue | 2.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2020 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2020 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE |
| 2020 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2020 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2020 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2020 | INFINITI | QX80 | 5.6L | V8 | GAS | Downstream Right | From 09/2019; Downstream; Right; Walker Products OE | |
| 2020 | INFINITI | QX80 | 5.6L | V8 | GAS | Downstream Left | From 09/2019; Downstream; Left; Walker Products OE | |
| 2020 | Nissan | Armada | 5.6L | V8 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2020 | Nissan | Armada | 5.6L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2019 | INFINITI | Q50 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE |
| 2019 | INFINITI | Q50 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2019 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2019 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2019 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE |
| 2019 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2019 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2019 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2018 | INFINITI | Q50 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE |
| 2018 | INFINITI | Q50 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2018 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2018 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2018 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE |
| 2018 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2018 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2018 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2017 | INFINITI | Q50 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE |
| 2017 | INFINITI | Q50 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2017 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2017 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2017 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE |
| 2017 | INFINITI | Q60 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2017 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2017 | INFINITI | Q60 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE | |
| 2016 | INFINITI | Q50 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE |
| 2016 | INFINITI | Q50 | Red Sport 400 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2016 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products OE | |
| 2016 | INFINITI | Q50 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; 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.