Walker
Walker Mass Air Flow Assembly

Walker 245-1156 Mass Air Flow Sensor

Brand Walker 245-1156
Connector Gender Female
Housing Included Yes
Mounting Hardware Included No
Terminal Quantity 3
Product line Walker Mass Air Flow Assembly
Fits INFINITI and Nissan · 3 vehicles

OE-standard quality. Built to meet or exceed OEM specifications.

Mass air flow sensor. Measures incoming air for precise engine management.

Female connector. Three-terminal design for a secure electrical connection.

Cross-references AP Exhaust 641625, Delphi AF10152 and Hitachi Automotive MAF0024 for the same application. See all 14.

$109.75Free shipping
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Walker Mass Air Flow Assembly 245-1156

Walker Mass Air Flow Assembly 245-1156 is a direct-fit mass air flow sensor assembly for select Nissan and INFINITI applications. It is built with a female connector, 3 terminals, and housing included for a service-ready replacement.

Compatible with 1996-1997 Nissan Pathfinder and 1997 INFINITI QX4, this Walker mass air flow sensor supports accurate airflow measurement for engine management on these vehicles. Part number 245-1156 is also cross-referenced to Delphi AF10152 for the same application.

Key Features

  • Mass air flow sensor assembly for emission control and engine management systems
  • Housing included for a complete assembly-style replacement
  • 3-terminal design with female connector
  • Built to meet or exceed OEM standards and specifications
  • Walker Mass Air Flow Assembly 245-1156 for select Nissan Pathfinder and INFINITI QX4 fitment

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on accurate vehicle applications and technical documentation. The Walker Mass Air Flow Assembly line is part of that broader engine management portfolio, which includes sensors and fuel system components for aftermarket service. Part number 245-1156 is intended for 1996-1997 Nissan Pathfinder and 1997 INFINITI QX4 applications where the original mass air flow sensor assembly is being replaced.

Common Issues This Part May Address

  • Rough idle caused by inaccurate airflow signal input
  • Hesitation or poor throttle response during acceleration
  • Check engine light related to mass air flow sensor performance
  • Reduced fuel economy from incorrect air-fuel calculations
  • Driveability problems on 1996-1997 Nissan Pathfinder and 1997 INFINITI QX4 models

Installation Notes

Verify connector style, terminal count, and housing configuration before installation. This assembly does not include mounting hardware. Confirm the vehicle application by year, make, and model before replacing the original unit. For best results, inspect the intake tract and electrical connector for contamination or damage during service.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer and states that its engine sensor and fuel system components are produced to meet or exceed OEM standards and specifications. Part number 245-1156 reflects that manufacturing approach for select Nissan and INFINITI applications.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1997INFINITIQX43.3LV6N/AWalker Mass Air Flow Assembly
1997NissanPathfinder3.3LV6N/AWalker Mass Air Flow Assembly
1996NissanPathfinder3.3LV6N/AWalker Mass Air Flow Assembly
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 641625Delphi — AF10152Hitachi Automotive — MAF0024Spectra Premium — MA188Spectra Premium — MA275Standard Ignition — MAS01735S2717226802J2008699379179157450037MF21070MF21070NSU5065