Walker
Walker Mass Air Flow Assembly

Walker 245-1313 Mass Air Flow Sensor

Brand Walker 245-1313
Connector Gender Female
Housing Included Yes
Mounting Hardware Included No
Terminal Quantity 5
Product line Walker Mass Air Flow Assembly
Fits BMW · 4 vehicles

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

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

5-terminal connector. Female connector for a secure electrical connection.

Cross-references Spectra Premium MA461, Standard Ignition MAS0420 and 13627548103 for the same application. See all 3.

$242.61Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $242.61
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Mass Air Flow Assembly for BMW X5

Walker Mass Air Flow Assembly Part Number 245-1313 is a direct-fit mass air flow sensor assembly for select 2007-2010 BMW X5 applications. It is built with a housing included and a 5-terminal female connector layout to support accurate airflow signal delivery in the engine management system.

Key Features

  • Mass air flow sensor assembly for emission control and engine management applications
  • Housing included for a complete assembly-style replacement
  • 5-terminal female connector configuration
  • Fits 2007-2010 BMW X5, N/A
  • Walker part number 245-1313 for application matching

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The Walker Mass Air Flow Assembly line is part of that broader engine management portfolio, which includes sensors and fuel system components for aftermarket repair. Part number 245-1313 is intended for BMW X5 models from 2007 through 2010 and is listed with interchange references including BMW 13627548103, Spectra Premium MA461, and Standard Ignition MAS0420 for the same application.

For BMW X5 owners searching for a Walker mass air flow sensor assembly, 245-1313 provides a fitment-specific replacement option that aligns with the vehicle’s original airflow measurement requirements. Accurate airflow data is critical for proper fuel delivery, idle quality, and drivability.

Common Issues This Part May Address

  • Rough idle or unstable engine speed
  • Hesitation during acceleration
  • Reduced fuel economy from incorrect airflow readings
  • Check engine light related to mass air flow sensor performance
  • Poor throttle response on BMW X5 models

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. Inspect the intake tract, air filter, and wiring connector for contamination or damage that could affect sensor readings. Confirm fitment against the vehicle application before replacing the original unit.

Quality Assurance

Walker Products is ISO 9001 and IATF 16949 certified and supports production with in-house manufacturing, product management, and engineering resources to maintain accurate part applications and technical support.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010BMWX54.8LV8N/AWalker Mass Air Flow Assembly
2009BMWX54.8LV8N/AWalker Mass Air Flow Assembly
2008BMWX54.8LV8N/AWalker Mass Air Flow Assembly
2007BMWX54.8LV8N/AWalker Mass Air Flow Assembly
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — MA461Standard Ignition — MAS042013627548103