Delphi SS20161 ABS Wheel Speed Sensor - Rear

Delphi Rear ABS Wheel Speed Sensor SS20161

Delphi SS20161 is a rear ABS wheel speed sensor built for accurate wheel-speed signal reporting in supported BMW applications. It is calibrated to OE standards and validated through Delphi’s sensor development process to help maintain consistent braking-system input.

Key Features

• Rear ABS wheel speed sensor for the rear axle position
• Length: 34.25 in.
• 1 round connector with 2 male terminals
• Wiring harness included
• Sensor package includes the ABS wheel speed sensor and instruction sheet
• Delphi part number SS20161

Detailed Product Overview

This Delphi ABS wheel speed sensor is engineered for vehicles that rely on precise rear-wheel speed data for ABS operation. The sensor uses a single male round connector and a 2-terminal layout, with a 34.25-inch lead length for the specified rear installation. Delphi tests and calibrates its sensors to OE standards to support accurate readings and reduce repeat repairs. This part number, SS20161, is a direct-fit style replacement for select BMW rear applications, including BMW 128i and BMW 328i models, as well as BMW 325i and BMW 330i rear fitments listed below.

This part cross-references Standard Ignition ALS449 for the same application.

What It Helps Address

• ABS warning light triggered by a failed rear wheel speed sensor
• Erratic or missing wheel-speed signal at the rear axle
• Brake system fault codes related to rear sensor input
• Loss of ABS function caused by sensor signal interruption
• Repeat repairs from inaccurate sensor readings

Installation Notes and Tips

• Fits 2008-2013 BMW 128i, rear
• Fits 2007-2013 BMW 328i, rear
• Fits 2006 BMW 325i, rear
• Fits 2006 BMW 330i, rear
• Verify connector shape, terminal count, and lead length before installation
• Inspect the wheel hub area and harness routing for damage before replacing the sensor

Quality Assurance

Delphi backs this sensor with OE-focused development and product validation methods. Each sensor is tested and calibrated to OE standards to support accurate signal output in BMW rear ABS applications.