Spectra MA493 Mass Air Flow Sensor

Spectra MA493 Mass Air Flow Sensor

The Spectra MA493 mass air flow sensor is a standard replacement part for select Toyota and Volvo applications. It is built with a programmable ceramic circuit board and a premium silicon coating to help protect the sensor from under-hood heat swings and road vibration, while the platinum resistance thermometer design supports quicker signal response and stable airflow measurement.

Key Features

• Standard replacement mass air flow sensor
• Programmable ceramic circuit board with silicon coating
• Platinum resistance thermometer sensor design
• Black plastic housing
• 1 rectangular male connector with 5 terminals
• No housing, wiring harness, mounting bracket, or mounting hardware included

Detailed Description

The Spectra MA493 is an emission control sensor engineered for accurate intake air measurement in vehicles that rely on precise airflow data for fuel delivery and drivability. It is a direct-fit style replacement for select 2015-2020 Toyota Mirai and 2015-2018 Volvo S60, S60 Cross Country, V60, V60 Cross Country, XC60, S80, and XC70 applications. This part cross-references Delphi AF10671 and Standard Ignition MAS0474 for the same application. The MA493 part number is also commonly searched for by drivers servicing Toyota Mirai and Volvo S60 airflow sensor concerns.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or poor throttle response
• Check engine lights related to mass air flow sensor faults
• Fuel trim issues from incorrect intake air measurement
• Driveability problems after sensor contamination or electrical failure

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. The MA493 uses a 5-pin male rectangular connector and does not include a housing or harness, so reuse the existing mounting location and electrical connection where applicable. Confirm vehicle-specific fitment for your Toyota Mirai or Volvo S60 application before ordering, and inspect the intake tract for leaks or contamination that can affect sensor readings.

Quality Assurance

Spectra manufactures this mass air flow sensor as a standard replacement component with materials selected to handle heat and vibration in the engine bay. The MA493 is built for consistent signal response and dependable airflow measurement in the listed applications.