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Part #: 245-1403

Walker 245-1403 Mass Air Flow Sensor

Walker Mass Air Flow Sensor
29 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Mass Air Flow Sensor
Fitment: Nissan and INFINITI, Murano, Altima, Quest, Rogue, QX60, Maxima, and Pathfinder
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Overview of Walker Mass Air Flow Sensor 245-1403

The Walker Mass Air Flow Sensor 245-1403 is designed to provide accurate airflow measurement for select Nissan and INFINITI vehicles. This sensor includes essential components such as housing and mounting hardware to ensure a straightforward installation process.

  • Includes housing for secure sensor protection
  • Mounting hardware included for easy installation
  • Five terminals for reliable electrical connections
  • Female connector design for compatibility with factory wiring
  • Compatible with multiple Nissan and INFINITI models

Walker Mass Air Flow Sensor Product Line Details

The Walker Mass Air Flow Sensor line focuses on delivering precise airflow measurement components that meet OEM specifications. The 245-1403 part is part of this line, ensuring it maintains the quality and fitment standards required for emission control sensors in vehicles like the Nissan Altima and INFINITI QX60.

Detailed Product Description

This mass air flow sensor (part number 245-1403) is engineered to monitor the amount of air entering the engine, which is critical for optimal fuel injection and engine performance. The included housing protects the sensor element from contaminants, while the mounting hardware simplifies the replacement process. Featuring five terminals and a female connector, this sensor integrates seamlessly with the vehicle’s existing wiring harness. It is compatible with a range of Nissan and INFINITI models, including the Altima, Maxima, Murano, Pathfinder, Quest, QX60, Rogue, and X-Trail.

Common Applications and Issues Addressed

  • Restores accurate air intake measurement for improved engine efficiency
  • Resolves rough idling caused by faulty airflow readings
  • Helps correct poor fuel economy linked to sensor malfunction
  • Eliminates check engine light triggers related to mass air flow sensor errors
  • Supports emission control compliance by maintaining proper air-fuel mixture

Installation Notes and Tips

When installing the Walker Mass Air Flow Sensor 245-1403, ensure the housing is properly seated to prevent air leaks. Use the included mounting hardware to secure the sensor firmly in place. Verify the five-terminal connector is fully engaged and the female connector matches the vehicle’s wiring harness. It is recommended to disconnect the battery before installation to avoid electrical issues.

Quality Assurance and Warranty

Walker mass air flow sensors are manufactured to meet strict quality standards for emission control components. The 245-1403 sensor undergoes rigorous testing to ensure durability and accurate performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.

BrandWalker
Part Number245-1403
PositionWalker Mass Air Flow Sensor
Connector GenderFemale
Housing IncludedYes
Mounting Hardware IncludedYes
Terminal Quantity5

This part fits 29 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019NissanMurano3.5LV6N/AWalker Mass Air Flow Sensor
2018NissanAltima3.5LV6N/AWalker Mass Air Flow Sensor
2018NissanMurano3.5LV6N/AWalker Mass Air Flow Sensor
2017NissanAltima3.5LV6N/AWalker Mass Air Flow Sensor
2017NissanMurano3.5LV6N/AWalker Mass Air Flow Sensor
2017NissanQuest3.5LV6N/AWalker Mass Air Flow Sensor
2017NissanRogue2.5LL4N/AFits USA built vehicles manufactured up to September 2016.; Walker Mass Air Flow Sensor
2017NissanRogue2.5LL4N/AKorea Built Vehicle; To 10/2016; Walker Mass Air Flow Sensor
2017NissanRogue2.5LL4N/AJapan Built; To 10/2016; Walker Mass Air Flow Sensor
2017NissanRogue2.5LL4N/ATo 09/2016; Walker Mass Air Flow Sensor
2017NissanX-Trail2.5LL4N/ATo 01/2017; Sensor Only
2016INFINITIQX603.5LV6N/AWalker Mass Air Flow Sensor
2016NissanAltima3.5LV6N/AWalker Mass Air Flow Sensor
2016NissanMaxima3.5LV6N/AUp to January 2016; Walker Mass Air Flow Sensor
2016NissanMurano3.5LV6N/AWalker Mass Air Flow Sensor
2016NissanPathfinder3.5LV6N/AWalker Mass Air Flow Sensor
2016NissanQuest3.5LV6N/AWalker Mass Air Flow Sensor
2016NissanRogue2.5LL4N/AWalker Mass Air Flow Sensor
2016NissanX-Trail2.5LL4N/ASensor Only
2015INFINITIQX603.5LV6N/AEffective for vehicles manufactured starting from September 2014.; Walker Mass Air Flow Sensor
2015NissanAltima3.5LV6N/AWalker Mass Air Flow Sensor
2015NissanMaxima3.5LV6N/ASensor Only
2015NissanMurano3.5LV6N/AWalker Mass Air Flow Sensor
2015NissanPathfinder3.5LV6N/AEffective for vehicles manufactured starting from September 2014.; Walker Mass Air Flow Sensor
2015NissanQuest3.5LV6N/AApplication: Mass Air Flow Sensor - Fits models manufactured from August 2014.; Walker Mass Air Flow Sensor
2015NissanRogue2.5LL4N/AWalker Mass Air Flow Sensor
2015NissanX-Trail2.5LL4N/ASensor Only
2014NissanAltima3.5LV6N/AFitment: From May 2014; Walker Mass Air Flow Sensor
2014NissanRogue2.5LL4N/AWalker 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:

226803VA0A

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