The mass air flow sensor without housing is a direct replacement for select 2016-2026 Polestar, Subaru, Toyota and Volvo applications. It measures the volume of air entering the engine so the engine computer can match fuel delivery to airflow; it installs into the existing housing.

Walker Products 245-1596 Mass Air Flow Sensor Features:

• Fits 2020-2021 Polestar Polestar 1, Subaru Crosstrek; 2018-2022 Subaru Forester; 2018-2019 Subaru XV; 2019 Toyota RAV4; 2020-2022 Toyota Corolla; 2020-2023 Toyota Hiace
• Fits 2021-2023 Toyota Yaris; 2016-2026 Volvo XC90; 2017-2025 Volvo S90; 2017-2022 Volvo V90 Cross Country; 2018-2021 Volvo V90; 2018-2026 Volvo XC60
• Fits 2019-2025 Volvo S60, V60; 2019-2022 Volvo V60 Cross Country, XC40
• Female oblong electrical connector with 4 pin terminals
• Housing constructed of plastic
• 2 mounting holes
• Includes mounting hardware
• Housing not included