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Part #: 245-1156

Walker 245-1156 Mass Air Flow Sensor

Walker Mass Air Flow Assembly
⚙️ 3 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 Mass Air Flow Assembly
🚗Fitment: INFINITI and Nissan, QX4 and Pathfinder
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Mass Air Flow Sensor 245-1156

The Walker Mass Air Flow Assembly 245-1156 is designed specifically for select INFINITI and Nissan vehicles, including the Pathfinder and QX4 models. This sensor plays a critical role in monitoring the amount of air entering the engine to ensure optimal combustion and emissions control.

  • Includes housing for secure installation
  • Features a 3-terminal female connector
  • Compatible with INFINITI Pathfinder and Nissan QX4
  • Part number 245-1156 for precise identification
  • Mounting hardware not included

Walker Mass Air Flow Assembly Product Line Details

The Walker Mass Air Flow Assembly product line focuses on providing reliable emission control sensors that meet OEM specifications. This line emphasizes accurate airflow measurement and durable housing construction, ensuring consistent engine performance and compliance with emission standards. The 245-1156 sensor is part of this line, offering a direct replacement solution for compatible INFINITI and Nissan vehicles.

Product Features and Specifications

This mass air flow sensor includes a housing, which protects the sensor element and facilitates proper airflow measurement. It has a 3-terminal female connector designed to interface seamlessly with the vehicle’s wiring harness. While mounting hardware is not included, the sensor is engineered for straightforward installation in the air intake system of the INFINITI Pathfinder and Nissan QX4 models. The part number 245-1156 ensures compatibility and ease of ordering.

Common Applications and Issues Addressed

  • Helps maintain accurate air-fuel mixture for efficient engine operation
  • Resolves engine hesitation or stalling related to faulty airflow readings
  • Addresses check engine light triggers caused by mass air flow sensor faults
  • Improves fuel economy by providing precise airflow data
  • Supports emission control compliance by monitoring intake air volume

Installation Notes and Tips

When installing the Walker 245-1156 mass air flow sensor, ensure the housing is properly seated to avoid air leaks. Verify the 3-terminal female connector is securely attached to the vehicle’s wiring harness. Since mounting hardware is not included, reuse existing hardware or source compatible fasteners. It is recommended to handle the sensor carefully to avoid damage to the sensing element during installation.

Quality Assurance and Warranty

Walker mass air flow sensors are manufactured to meet industry standards for durability and accuracy. The 245-1156 part undergoes quality control testing to ensure reliable performance in emission control applications. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary.

BrandWalker
Part Number245-1156
PositionWalker Mass Air Flow Assembly
Connector GenderFemale
Housing IncludedYes
Mounting Hardware IncludedNo
Terminal Quantity3

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997INFINITIQX43.3LV6N/AWalker Mass Air Flow Assembly
1997NissanPathfinder3.3LV6N/AWalker Mass Air Flow Assembly
1996NissanPathfinder3.3LV6N/AWalker Mass Air Flow Assembly

* 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:

226802J2005S27176416257450037869937917915AF10152MA188MA275MAF0024MAS0173MF21070MF21070NSU5065

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