Walker
Walker Mass Air Flow Assembly

Walker 245-1101 Mass Air Flow Sensor

Brand Walker 245-1101
Connector Gender Female
Housing Included Yes
Mounting Hardware Included No
Terminal Quantity 3
Product line Walker Mass Air Flow Assembly
Fits INFINITI and Nissan · 11 vehicles

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

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

Female connector. Three terminals for a secure electrical connection.

Cross-references Delphi AF10213, Hitachi Automotive MAF0001 and Standard Ignition MAS0392 for the same application. See all 12.

$153.90Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $153.90
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 Assembly 245-1101

Walker Mass Air Flow Assembly 245-1101 is a direct-fit engine management sensor assembly for select Nissan and INFINITI applications. It is built with a housing included and a 3-terminal female connector layout for service replacement on vehicles that use this configuration.

Key Features

  • Mass air flow sensor assembly for emission control and engine management service
  • Housing included for a complete replacement-style installation
  • 3-terminal female connector design
  • Walker part number 245-1101 for catalog and cross-reference lookup
  • Built by Walker Products, an ISO 9001/IATF16949 certified manufacturer

Product Details

The Walker Mass Air Flow Assembly line is focused on accurate fuel system and engine sensor replacement parts. Walker Products has supplied automotive fuel system components since 1946 and manufactures parts to meet or exceed OEM standards and specifications. Part number 245-1101 is intended for vehicles that require this specific mass air flow sensor assembly configuration, including 1995-1999 INFINITI G20, 1995-1998 Nissan 200SX, and 1996-1999 Nissan Sentra applications listed in the fitment data. This part cross-references Delphi AF10213 and Standard Ignition MAS0392 for the same application.

What It Helps Address

  • Rough idle caused by inaccurate airflow measurement
  • Hesitation or stumble during acceleration
  • Check engine light related to mass air flow sensor faults
  • Poor fuel metering from a worn or contaminated sensor assembly
  • Driveability issues on Nissan Sentra, Nissan 200SX, and INFINITI G20 applications

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. This assembly uses a female connector and does not include mounting hardware. Confirm the vehicle application against the listed fitment before replacing the original sensor assembly. For best results, inspect the intake tract for leaks or contamination that can affect airflow readings.

Quality Assurance

Walker Products supports this mass air flow assembly with in-house manufacturing, product management, engineering, and technical support resources. The company states that its engine management components are produced to meet or exceed OEM standards and specifications.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1999INFINITIG202.0LL4N/AWalker Mass Air Flow Assembly
1999NissanSentra2.0LL4N/AWalker Mass Air Flow Assembly
1998Nissan200SX2.0LL4N/AWalker Mass Air Flow Assembly
1998NissanSentra2.0LL4N/AWalker Mass Air Flow Assembly
1997Nissan200SX2.0LL4N/AWalker Mass Air Flow Assembly
1997NissanSentra2.0LL4N/AComplete Assembly
1996INFINITIG202.0LL4N/AWalker Mass Air Flow Assembly
1996Nissan200SX2.0LL4N/AWalker Mass Air Flow Assembly
1996NissanSentra2.0LL4N/AComplete Assembly
1995INFINITIG202.0LL4N/AFits 1995 and newer vehicles.; Walker Mass Air Flow Assembly
1995Nissan200SX2.0LL4N/AWalker Mass Air Flow Assembly
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Delphi — AF10213Hitachi Automotive — MAF0001Standard Ignition — MAS03925S2710221015M7495457495948695942268053J01722184480MF21015SU5073