Delphi SS21596 ABS Wheel Speed Sensor - Rear Left

Delphi Rear Left ABS Sensor

The Delphi SS21596 ABS wheel speed sensor is a standard replacement for the rear left position on select Ford Super Duty trucks. It is built from Delphi’s OE-focused sensor program and calibrated to OE standards for accurate wheel speed readings on 2017-2022 Ford F-250 Super Duty and Ford F-350 Super Duty applications.

Key Features

• ABS wheel speed sensor for the rear left position
• Fits 2017-2022 Ford F-250 Super Duty, rear left
• Fits 2017-2022 Ford F-350 Super Duty, rear left
• Wiring harness included for direct replacement service
• 1345 mm wiring harness length
• 1 black square connector with 2 male blade terminals
• Standard replacement grade
• Package contents: ABS wheel speed sensor and instruction sheet

Detailed Description

Delphi SS21596 is an ABS wheel speed sensor engineered for rear left installation on Ford F-250 Super Duty and Ford F-350 Super Duty trucks from 2017 through 2022. The sensor uses a single black square connector, male connector and terminal design, and an included wiring harness to match the original service layout. Delphi tests and calibrates its sensors to OE standards to help deliver accurate wheel speed signal output for the ABS system.

This part cross-references Standard Ignition ALS3404 for the same application. If you are searching for a rear left ABS sensor for a 2017-2022 Ford F-250 Super Duty or 2017-2022 Ford F-350 Super Duty, Delphi SS21596 is the direct replacement part number to compare.

What It Helps Address

• ABS warning light caused by a failed rear wheel speed sensor
• Erratic or missing wheel speed signal data
• ABS system faults related to rear left sensor input
• Traction control or stability control concerns tied to wheel speed readings
• Brake system diagnostic trouble codes linked to the rear axle sensor circuit

Installation Notes

Install at the rear left wheel position only. Verify connector shape, terminal count, and harness length before installation on your Ford F-250 Super Duty or Ford F-350 Super Duty. Mounting hardware is not included. Follow the supplied instruction sheet and inspect the tone ring, wiring path, and connector condition during service.

Quality Assurance

Delphi backs this sensor with OE development and product validation methods. The SS21596 is tested and calibrated to OE standards to support accurate readings and reduce repeat repairs.