HomeEmission Control > SensorsSpectra MA173 Mass Air Flow Sensor
Part #: MA173

Spectra MA173 Mass Air Flow Sensor

⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, and Mercury, Crown Victoria, Grand Marquis, and Town Car
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Reliable Mass Air Flow Sensor for Ford, Lincoln, and Mercury Vehicles

The Spectra MA173 Mass Air Flow Sensor is designed to provide accurate airflow measurement for select Ford, Lincoln, and Mercury models. This sensor ensures optimal engine performance by delivering precise data to the engine control unit.

  • Direct replacement for factory Mass Air Flow Sensor
  • Compatible with Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
  • Part number MA173 for easy identification and fitment
  • Ensures accurate air intake measurement for efficient fuel management
  • Durable construction for consistent performance

Product Details and Compatibility

The Spectra MA173 Mass Air Flow Sensor is engineered to meet OEM specifications for emission control sensors. It is compatible with Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models, providing reliable airflow data to the engine control module. This sensor plays a critical role in maintaining proper air-fuel mixture, which is essential for engine efficiency and emission control.

Common Applications and Issues Addressed

  • Helps resolve rough idling and engine hesitation
  • Improves fuel economy by providing accurate airflow readings
  • Reduces engine stalling caused by faulty air flow data
  • Prevents check engine light triggers related to air intake sensor faults
  • Supports emission system compliance for Ford, Lincoln, and Mercury vehicles

Installation Notes and Tips

Installation of the Spectra MA173 sensor requires basic mechanical skills and standard hand tools. Ensure the ignition is off before removing the old sensor. Carefully disconnect the electrical connector and remove mounting screws. Install the new sensor securely and reconnect the electrical plug. It is recommended to inspect the air intake system for leaks or damage during installation.

Quality Assurance and Warranty

Manufactured to meet industry standards, the Spectra MA173 Mass Air Flow Sensor undergoes rigorous quality control to ensure reliable operation. While specific warranty details may vary, Spectra products typically include a limited warranty against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

This part fits 10 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2004FordCrown VictoriaLX4.6LV8N/AMass Air Flow Sensor with integrated housing
2004FordCrown VictoriaLX Sport4.6LV8N/AMass Air Flow Sensor with integrated housing
2004FordCrown VictoriaBase4.6LV8N/AMass Air Flow Sensor with integrated housing
2004FordGrand Marquis4.6LV8N/AMass Air Flow Sensor with integrated housing
2004LincolnTown Car4.6LV8N/AMass Air Flow Sensor with integrated housing
2004MercuryGrand Marquis4.6LV8N/ASensor Module w/Housing; Except Police Package
2003FordCrown Victoria4.6LV8N/AMass Air Flow Sensor with integrated housing
2003FordGrand Marquis4.6LV8N/AMass Air Flow Sensor with integrated housing
2003LincolnTown Car4.6LV8N/AMass Air Flow Sensor with integrated housing
2003MercuryGrand Marquis4.6LV8N/ASensor Module w/Housing; Except Police Package

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

221064M221064P24511363W7Z12B579BA3W7Z12B579BARM64154464188774500198499418650019917848AFLS151AFLS173RMMA1085MAF1062MAF650019MAS0248MF21064MF21064TXTP450019

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.