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Walker 245-1258 Mass Air Flow Sensor
Overview of Walker Mass Air Flow Sensor 245-1258
The Walker Mass Air Flow Sensor 245-1258 is designed for precise air measurement in select INFINITI and Nissan vehicles. This sensor helps maintain optimal engine performance by accurately monitoring the amount of air entering the engine.
- Compatible with INFINITI and Nissan models including Altima, M35h, Murano, Pathfinder, Q50, Q70, QX60, and Sentra
- Includes mounting hardware for straightforward installation
- Features a 5-terminal female connector for reliable electrical connection
- Housing not included, designed to integrate with existing engine components
Walker Mass Air Flow Sensor Product Line Details
The Walker Mass Air Flow Sensor line focuses on delivering precise airflow measurement components for emission control systems. The 245-1258 sensor is part of this line, engineered to meet OEM specifications for accurate sensor readings and durability. This product line supports emission control by ensuring the engine control unit receives accurate airflow data, which is critical for fuel management and emissions regulation.
Detailed Product Description
The Walker 245-1258 mass air flow sensor is engineered to provide accurate airflow data to the engine control module in various INFINITI and Nissan vehicles. It features a 5-terminal female connector that ensures secure and consistent electrical connectivity. While the sensor does not include a housing, it comes with mounting hardware to facilitate proper installation. This sensor is compatible with models such as the Nissan Altima, Murano, Pathfinder, Sentra, and INFINITI Q50, Q70, QX60, and M35h, making it a versatile choice for emission control sensor replacement.
Common Applications and Issues Addressed
- Restores accurate air intake measurement for improved engine performance
- Helps resolve rough idling and engine hesitation caused by faulty airflow readings
- Supports reduction of emission system errors and check engine light triggers
- Assists in correcting poor fuel economy related to air-fuel mixture imbalance
- Prevents stalling and acceleration problems linked to mass air flow sensor failure
Installation Notes and Tips
Installation of the Walker Mass Air Flow Sensor 245-1258 requires removal of the old sensor and securing the new unit using the included mounting hardware. Ensure the 5-terminal female connector is properly aligned and fully seated to avoid electrical issues. Since the housing is not included, verify the existing housing is intact and compatible before installation. It is recommended to disconnect the battery before installation to prevent electrical shorts.
Quality Assurance and Warranty
Walker sensors are manufactured to meet or exceed OEM standards for durability and performance. The 245-1258 mass air flow sensor undergoes rigorous quality control to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary.
| Brand | Walker |
|---|---|
| Part Number | 245-1258 |
| Position | Walker Mass Air Flow Sensor |
| Connector Gender | Female |
| Housing Included | No |
| Mounting Hardware Included | Yes |
| Terminal Quantity | 5 |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | INFINITI | Q50 | 3.5L | V6 | N/A | Sensor Only |
| 2018 | INFINITI | Q50 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2018 | INFINITI | Q70 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2017 | INFINITI | Q50 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2017 | INFINITI | Q70 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2017 | INFINITI | QX60 | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2017 | INFINITI | QX60 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2016 | INFINITI | Q50 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2016 | INFINITI | Q70 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2016 | INFINITI | QX60 | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2016 | Nissan | Altima | 2.5L | L4 | N/A | Fits vehicles up to October 2015; Walker Mass Air Flow Sensor |
| 2016 | Nissan | Murano | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2016 | Nissan | Sentra | 1.8L | L4 | N/A | Fits vehicles up to December 2015; Walker Mass Air Flow Sensor |
| 2015 | INFINITI | Q50 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2015 | INFINITI | Q70 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2015 | INFINITI | QX60 | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2015 | Nissan | Altima | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2015 | Nissan | Pathfinder | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2015 | Nissan | Sentra | 1.8L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2014 | INFINITI | Q50 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2014 | INFINITI | Q70 | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2014 | INFINITI | QX60 | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2014 | Nissan | Altima | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2014 | Nissan | Pathfinder | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2014 | Nissan | Sentra | 1.8L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2013 | INFINITI | M35h | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
| 2013 | Nissan | Altima | 2.5L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2013 | Nissan | Sentra | 1.8L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2012 | INFINITI | M35h | 3.5L | V6 | N/A | Walker Mass Air Flow Sensor |
* 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.