Delphi SS20191 ABS Wheel Speed Sensor - Front

Front ABS Wheel Speed Sensor for OE-Style Brake Control

The Delphi SS20191 front ABS wheel speed sensor is built for accurate wheel-speed signal input in vehicles equipped with anti-lock braking systems. It is a direct-fit replacement for select Chevrolet Trailblazer, GMC Envoy, and related applications, with OE-calibrated performance to support consistent brake system operation.

Key Features

• Front ABS wheel speed sensor for brake system signal monitoring
• OE-standard testing and calibration for accurate readings
• Single oval connector with 2 male blade terminals
• Connector quantity: 1; wiring harness not included
• Package contents: ABS wheel speed sensor and instruction sheet
• Length: 36.81 in.
• Part number: SS20191

Detailed Description

Delphi SS20191 is an ABS wheel speed sensor designed for the front position on select GM and Saab platforms. It uses a single oval connector with male blade terminals and is built to match OE electrical standards for reliable wheel-speed data. This sensor is used in front ABS applications on 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2005-2009 Saab 9-7x, 2004-2007 Buick Rainier, 2003-2006 Chevrolet SSR, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, and 2002-2004 Oldsmobile Bravada. This part cross-references Standard Ignition ALS1337 for the same application.

What It Helps Address

• ABS warning light caused by a failed front wheel speed sensor
• Erratic or missing wheel-speed signal input
• ABS system faults related to sensor electrical failure
• Brake control issues tied to inaccurate front sensor readings
• Diagnostic trouble codes associated with front ABS sensor circuits

Installation Notes and Tips

Verify the front position, connector shape, and terminal style before installation. Compare the original sensor length and connector layout to the replacement part number SS20191 to confirm proper fitment. Inspect the wheel hub area, tone ring, and harness routing during service, and follow the included instruction sheet for installation steps.

Quality Assurance

Delphi validates its sensors using OE development and calibration methods, with testing focused on accurate signal output and consistent performance. That OE-based process helps support dependable front ABS operation across the listed Chevrolet Trailblazer, GMC Envoy, and related applications.

Compatible Vehicles

• Fits 2002-2009 Chevrolet Trailblazer, front
• Fits 2002-2009 GMC Envoy, front
• Fits 2005-2009 Saab 9-7x, front
• Fits 2004-2007 Buick Rainier, front
• Fits 2003-2006 Chevrolet SSR, front
• Fits 2002-2006 Chevrolet Trailblazer EXT, front
• Fits 2002-2006 GMC Envoy XL, front
• Fits 2004-2005 GMC Envoy XUV, front
• Fits 2002-2004 Oldsmobile Bravada, front