Walker
Walker Mass Air Flow Assembly

Walker 245-1073 Mass Air Flow Sensor

Brand Walker 245-1073
Connector Gender Female
Housing Included Yes
Mounting Hardware Included No
Terminal Quantity 3
Product line Walker Mass Air Flow Assembly
Fits Nissan · 7 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 terminals for a secure electrical connection.

Cross-references 5S2798, 20998 and 22052M for the same application. See all 17.

$83.20Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $83.20
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Mass Air Flow Assembly 245-1073

Walker Mass Air Flow Assembly 245-1073 is a direct-fit mass air flow sensor assembly for select Nissan applications. It is built with a female connector, 3 terminals, and an included housing to support accurate airflow signal delivery in the engine management system.

Compatible with 1991-1994 Nissan Sentra and 1991-1993 Nissan NX, this Walker mass air flow sensor assembly is a practical replacement for drivability and fuel-control concerns tied to airflow measurement. Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering processes focused on meeting or exceeding OEM standards.

Key Features

  • Mass air flow sensor assembly for engine management service
  • Housing included for a complete assembly-style replacement
  • 3-terminal design with female connector
  • Built for select Nissan Sentra and Nissan NX applications
  • Walker Mass Air Flow Assembly 245-1073 for OE-style fitment

Product Details

This Walker Mass Air Flow Assembly is engineered for vehicles that rely on precise airflow input to calculate fuel delivery and engine response. The part number 245-1073 is listed for 1991-1994 Nissan Sentra and 1991-1993 Nissan NX, making it a focused replacement choice for those model years. Walker Products backs its engine sensor line with in-house manufacturing, product management, and engineering support, and the company is ISO 9001/IATF16949 certified.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Rough idle caused by inaccurate airflow readings
  • Hesitation during acceleration
  • Fuel mixture issues related to sensor signal errors
  • Check engine light conditions tied to mass air flow performance
  • Poor throttle response on affected Nissan Sentra and Nissan NX vehicles

Installation Notes

Verify connector style, terminal count, and housing configuration before installation. The part uses a female connector and 3 terminals, and mounting hardware is not included. Confirm the vehicle application against the listed fitment for 1991-1994 Nissan Sentra and 1991-1993 Nissan NX before replacing the original sensor assembly.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The brand’s ISO 9001/IATF16949 certification supports controlled production and product consistency for replacement parts such as the Walker Mass Air Flow Assembly 245-1073.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1994NissanSentra1.6LL4N/AWalker Mass Air Flow Assembly
1993NissanNX1.6LL4N/AWalker Mass Air Flow Assembly
1993NissanSentra1.6LL4N/AWalker Mass Air Flow Assembly
1992NissanNX1.6LL4N/AWalker Mass Air Flow Assembly
1992NissanSentra1.6LL4N/AWalker Mass Air Flow Assembly
1991NissanNX1.6LL4N/AWalker Mass Air Flow Assembly
1991NissanSentra1.6LL4N/AWalker Mass Air Flow Assembly
Directly replaces or cross-references 17 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5S27982099822052M105009L7105188W4220052M6415768307331580823213190221333422268057Y002268057Y02741001516110015MF20052SU4672