Walker
Walker Mass Air Flow Sensor

Walker 245-2529 Mass Air Flow Sensor

Brand Walker 245-2529
Connector Gender Female
Housing Included No
Mounting Hardware Included Yes
Terminal Quantity 3
Product line Walker Mass Air Flow Sensor
Fits Nissan · 2 vehicles

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

Mounting hardware included. Comes ready for a more complete installation.

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

Cross-references Delphi AF10204 for the same application. See all 1.

$82.27Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
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Step 2 — Quantity
Order total $82.27
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Mass Air Flow Sensor 245-2529 for Nissan 240SX

Walker Mass Air Flow Sensor 245-2529 is a direct-fit engine management sensor for select Nissan 240SX applications. It is built to meet or exceed OEM standards and specifications, with application data and technical support backed by Walker’s in-house engineering and product management resources.

Key Features

  • Mass air flow sensor for emission control and engine management systems
  • Fits 1989-1990 Nissan 240SX
  • 3-terminal female connector
  • Mounting hardware included
  • No housing included
  • Walker Mass Air Flow Sensor 245-2529 cross-references Delphi AF10204 for the same application

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, and the Walker Mass Air Flow Sensor line reflects that focus on OE-style fit and function. Part number 245-2529 is designed for the 1989-1990 Nissan 240SX and uses a 3-terminal female connector configuration. For buyers searching for a Nissan 240SX mass air flow sensor, Walker 245-2529 provides a direct replacement option with the correct application coverage and mounting hardware included.

Common Issues This Part May Address

  • Rough idle caused by inaccurate airflow signal input
  • Hesitation or stumble during acceleration
  • Check engine light related to air metering or sensor performance
  • Poor fuel delivery calculations from a failing MAF sensor
  • Driveability problems on 1989-1990 Nissan 240SX models

Installation Notes

Verify connector style, terminal count, and vehicle application before installation. Inspect the intake tract, air filter, and wiring connector for contamination or damage before replacing the sensor. After installation, clear any stored diagnostic trouble codes and confirm idle quality and throttle response during a road test.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF16949 certified, with engineering and technical support resources used to maintain application accuracy and product quality.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1990Nissan240SX2.4LL4N/AWalker Mass Air Flow Sensor
1989Nissan240SX2.4LL4N/AWalker Mass Air Flow Sensor
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Delphi — AF10204