Holstein 2MAF0118 Mass Air Flow Sensor

Overview

Holstein 2MAF0118 is a mass air flow sensor for select Subaru applications. It is listed as sensor only and is built for direct replacement use in vehicles that rely on accurate airflow measurement for engine management.

Compatible with Subaru WRX STI, WRX, Forester, Legacy, Outback, Impreza, XV Crosstrek, and XV applications, this Holstein Parts sensor supports the airflow signal the engine control system uses to calculate fuel delivery. Part number 2MAF0118 is also referenced by multiple aftermarket cross numbers for the same application.

Key Features

• Mass air flow sensor for emission control system service
• Sensor-only listing for straightforward replacement selection
• Direct-fit coverage across multiple Subaru model years
• Holstein Parts application coverage for common Subaru platforms
• Cross-references to several aftermarket part numbers

Detailed Description

Holstein 2MAF0118 is a replacement mass air flow sensor used to measure incoming air so the engine control module can manage fuel delivery and drivability. It fits 2013-2021 Subaru WRX STI, 2012-2014 Subaru WRX, 2009-2018 Subaru Forester, 2010-2014 Subaru Legacy, 2015-2019 Subaru Legacy, 2010-2018 Subaru Outback, 2019 Subaru Outback, 2008-2016 Subaru Impreza, 2013-2015 Subaru XV Crosstrek, and 2013 Subaru XV. This part cross-references Delphi AF10345 and Hella 358095551 for the same application.

Common Uses

• Restoring accurate airflow measurement after sensor wear or failure
• Addressing rough idle caused by incorrect air metering
• Correcting fuel trim issues tied to faulty sensor output
• Replacing a sensor that triggers drivability or emission-related faults
• Servicing Subaru intake systems with a direct-fit sensor

Installation Notes

Verify the connector style and application before installation. Because this listing is sensor only, reuse existing related components as required by the vehicle service procedure. Confirm the part number 2MAF0118 against the vehicle’s exact engine and model-year application before ordering.

Quality Assurance

Holstein Parts application coverage is organized for direct replacement selection across the listed Subaru fitments. Part number 2MAF0118 is cataloged for multiple Subaru platforms, including WRX STI and Forester applications.