Beck Arnley 158-1071 Mass Air Flow Sensor

Beck Arnley Mass Air Flow Sensor for Subaru

Beck Arnley 158-1071 is a mass air flow sensor built to meet foreign nameplate OE specifications for form, fit, and function. It is a direct-fit choice for Subaru Legacy, Forester, and Impreza applications where accurate airflow measurement is critical to engine management.

This part number, 158-1071, is backed by Beck Arnley sourcing standards and is intended for Subaru owners who want an OE-style replacement for the original sensor. It is a practical option for 1990-1999 Subaru Legacy, 1998 Subaru Forester, and 1993-1998 Subaru Impreza models.

Key Features

• OE-spec replacement mass air flow sensor for foreign nameplate vehicles
• Built for proper form, fit, and function
• Supports accurate airflow signal delivery to the engine control system
• Fits Subaru Legacy, Forester, and Impreza applications listed below
• Beck Arnley part number 158-1071 for easy identification

Detailed Description

Beck Arnley 158-1071 is an emission control sensor designed for Subaru vehicles that rely on precise intake air measurement. Beck Arnley works with global sourcing partners to supply parts that align with OE specifications, helping ensure the replacement sensor matches the original application requirements. This makes it a strong fit for drivers searching for a Subaru Legacy mass air flow sensor, a Subaru Forester MAF sensor, or a Subaru Impreza airflow sensor replacement.

Fits 1990-1999 Subaru Legacy, N/A. Fits 1998 Subaru Forester, N/A. Fits 1993-1998 Subaru Impreza, N/A.

What It Is Used For

• Replacing a failed or inaccurate mass air flow sensor
• Restoring proper airflow signal input to the engine control system
• Addressing drivability concerns tied to incorrect air measurement
• Supporting smoother engine operation after sensor replacement
• Serving as an OE-style replacement for Subaru emission control repair

Installation Notes and Tips

Confirm compatibility of the mass air flow sensor with your exact Subaru year and model before buying. Compare the connector style, mounting points, and sensor shape to the original part before installation. After replacement, clear any stored diagnostic trouble codes and verify engine operation.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. The brand’s global sourcing network is used to help ensure the replacement part aligns with the original application requirements.