Delphi SS21591 ABS Wheel Speed Sensor - Front

Delphi SS21591 Front ABS Wheel Speed Sensor

Delphi SS21591 is a front ABS wheel speed sensor built for accurate wheel-speed signal reporting in supported Chrysler, Dodge, and related applications. It uses a black square 1-connector design with a 2-terminal male blade connection and includes the wiring harness for a direct replacement setup.

Key Features

• Front ABS wheel speed sensor for OE-style brake system signal input
• Delphi standard replacement part number SS21591
• Black connector with square shape, 1 connector, 2 terminals
• Male connector and male terminal configuration
• Wiring harness included; harness length 729
• Package contents: ABS wheel speed sensor and instruction sheet
• Standard replacement grade for supported front-position applications

Product Details

Delphi SS21591 is part of Delphi’s sensor lineup, which is developed and validated to OE standards for accurate readings and consistent performance. As an ABS wheel speed sensor, it monitors wheel rotation data used by the vehicle’s braking and stability systems. This part cross-references Standard Ignition ALS2892 for the same application. Common search terms for this part include front ABS wheel speed sensor for 2017-2023 Chrysler 300, front wheel speed sensor for 2016-2023 Dodge Charger, and front ABS sensor for 2018-2022 Dodge Challenger. The Delphi SS21591 is a direct-fit style replacement for the listed front applications.

What It Helps Address

• ABS warning light caused by a failed front wheel speed sensor
• Erratic or missing wheel speed signal data
• Traction control or stability control faults tied to wheel-speed input
• Brake system fault codes related to the front sensor circuit
• Intermittent sensor connection issues at the front wheel location

Installation Notes

Install at the front position only on the listed applications. Verify connector shape, terminal count, and harness routing before installation. The sensor includes a wiring harness and uses a male connector with blade terminals; confirm the vehicle-side connection matches the original part before final assembly. Follow the supplied instruction sheet and clear any stored ABS codes after installation.

Quality Assurance

Delphi tests and calibrates its sensors to OE standards and uses product validation methods to support accurate signal output and reduce repeat repairs. Part number SS21591 is built as a standard replacement for the listed front-fit applications.

• Fits 2017-2023 Chrysler 300, front
• Fits 2016-2023 Dodge Charger, front
• Fits 2018-2022 Dodge Challenger, front