Denso 197-6020 Mass Air Flow Sensor

Denso Mass Air Flow Sensor 197-6020

The Denso 197-6020 Mass Air Flow Sensor is built for direct replacement on a wide range of Toyota, Lexus, Mazda, Scion, and Volvo applications. It uses a compact black housing design with a 5-terminal female connector to support clean installation and reliable signal delivery.

For drivers searching for a mass air flow sensor for Mazda 3, Toyota Camry, or Volvo XC90 applications, this Denso unit is a fitment-based OE-style solution. The 197-6020 is also listed for multiple Mazda MX-5 Miata, Toyota Tacoma, and Lexus RX300 applications.

Key Features

• Brand: Denso Mass Air Flow Sensor
• Part number: 197-6020
• Black housing color
• 5-terminal pin-style connection
• Female connector with 1 connector quantity
• No housing included
• No mounting hardware included
• Glass film coated sensing elements help reduce contamination exposure and support consistent operation
• Compact design reduces size and weight for easier installation

Product Details

Denso’s Mass Air Flow Sensor line focuses on accurate airflow measurement for engine management systems. This 197-6020 sensor is engineered with glass film coated sensing elements to help limit contamination exposure, which supports long-term reliability in demanding intake environments. Its smaller, lighter construction also makes it easier to handle during replacement.

This part cross-references ACDelco 213-3037 and Delphi AF10135 for the same application. It is listed across many OE and aftermarket references, including Toyota 22204-21010, Lexus 22204-21010, and Volvo 8658471.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation during acceleration
• Check engine light related to air metering faults
• Poor fuel economy from incorrect fuel delivery calculations
• Driveability issues on Mazda, Toyota, Lexus, Scion, and Volvo vehicles

Installation Notes

Verify connector style, terminal count, and vehicle application before installation. This sensor uses a female connector with 5 terminals and does not include a housing or mounting hardware. For best results, inspect the intake tract, air filter, and electrical connector condition before replacing the sensor.

Compatible With 1998-2015 Mazda, Toyota, Lexus, Scion, and Volvo applications, including Mazda 3, Mazda 6, Toyota Camry, Toyota Tacoma, Lexus RX300, Scion tC, Volvo XC90, and related models listed in the fitment data.

Quality Assurance

Denso is an OE supplier for several of the listed vehicle applications, including multiple Mazda and Volvo platforms. The 197-6020 is built to meet the fitment and electrical requirements of those applications using Denso’s sensor design approach.