Autotecnica SU1321938 ABS Wheel Speed Sensor - Front Left

ABS Wheel Speed Sensor Overview

Autotecnica SU1321938 is an ABS wheel speed sensor for the front left position on select Subaru applications. It uses a rectangular connector, a pin-style terminal design, and a gray connector body for a direct replacement-style fit.

Fits 2014-2018 Subaru Forester, front left. Fits 2016-2017 Subaru Crosstrek, front left. Fits 2013-2016 Subaru Impreza, front left. Fits 2013-2015 Subaru XV Crosstrek, front left. Fits 2012 Subaru Impreza, front left, production date range from 07/2012.

Key Features

• ABS wheel speed sensor for front left fitment.
• Rectangular connector with male connector gender.
• Two-terminal design with female terminal ends.
• Gray connector color for straightforward identification.
• Autotecnica part number SU1321938.

Detailed Description

This ABS speed sensor monitors wheel rotation data used by the anti-lock braking system. Autotecnica SU1321938 is built for Subaru Forester, Subaru Crosstrek, Subaru Impreza, and Subaru XV Crosstrek applications listed above, with fitment focused on the front left mounting location. The connector and terminal layout are specified for the intended electrical connection, helping maintain proper signal transfer to the ABS system. If you are replacing a worn Subaru ABS wheel speed sensor, SU1321938 provides a direct-match option for the listed vehicles.

Autotecnica positions this part as an aftermarket alternative for drivers and technicians who want an OEM-spec replacement path. The brand states that its parts are manufactured under ISO/TS 16949 quality management standards and are covered by a two-year, unlimited-mileage warranty. This part cross-references Beck/Arnley 084-4997 and Standard Ignition ALS2520 for the same application.

Common Replacement Reasons

• ABS warning light caused by a failed wheel speed sensor.
• Erratic or missing wheel speed signal data.
• Brake system fault codes related to the front left sensor circuit.
• Intermittent ABS operation from a damaged connector or sensor element.
• Restoring proper anti-lock braking system input on Subaru models.

Installation Notes

Verify connector shape, terminal count, and mounting location before installation. Confirm the vehicle build date for the 2012 Subaru Impreza listing, since that application applies only from 07/2012. Compare the existing sensor routing and connector style to the part specifications before replacement.

Quality Assurance

Autotecnica manufactures this part under ISO/TS 16949 quality management system specifications and backs it with a two-year, unlimited-mileage warranty. Part number SU1321938 is an aftermarket replacement built for the listed Subaru fitments.