Holstein 2ABS2903 ABS Wheel Speed Sensor - Rear Right

ABS Wheel Speed Sensor for Rear Right Applications

The Holstein Parts 2ABS2903 is an ABS wheel speed sensor for rear right applications on select Chevrolet, Buick, and related GM vehicles. It uses a square female connector with a 2-terminal blade-style interface and is listed for vehicles with an integrated ABS wheel speed sensor wiring harness.

Holstein Parts focuses on direct-fit replacement components for brake and sensor service, and this part number is cataloged for multiple rear right applications across the Impala, Malibu, Malibu Limited, LaCrosse, and Regal.

Key Features

• Part number: 2ABS2903
• ABS wheel speed sensor for rear right position
• Square connector shape with female connector gender
• 2 terminals with blade terminal type and male terminal gender
• Listed for vehicles with harness-equipped rear ABS sensor applications
• Cross-reference: Delphi SS20359

Fitment Details

• Fits 2019-2020 Chevrolet Impala, rear right, rear ABS wheel speed sensor with harness for chassis equipped with rear 4-link axle configuration.
• Fits 2018 Chevrolet Impala, rear right.
• Fits 2017 Buick Regal, rear right, w/ harness; w/o continuous real time damping; w/ 4-link chassis.
• Fits 2014-2017 Chevrolet Impala, rear right, compatible with multiple vehicle models equipped with integrated ABS wheel speed sensor wiring harness.
• Fits 2014-2016 Buick LaCrosse, rear right, w/ harness; w/o chassis continuous valve real-time damping; 4-link axle rear.
• Fits 2015-2016 Buick Regal, rear right, w/ harness; w/o front axle ratio 2.93; w/o chassis continuous valve real-time damping; 4-link axle rear.
• Fits 2013-2016 Chevrolet Malibu, rear right, compatible with multiple vehicle models equipped with integrated ABS wheel speed sensor wiring harness.
• Fits 2016 Chevrolet Malibu Limited, rear right, compatible with multiple vehicle models equipped with integrated ABS wheel speed sensor wiring harness.
• Fits 2014 Buick Regal, rear right, w/ harness; w/o front axle ratio 2.93; w/o chassis continuous valve real-time damping w/ 4-link.

What This Sensor Helps Address

• ABS warning light triggered by a faulty rear wheel speed sensor
• Erratic or missing wheel speed signal data
• ABS system faults related to rear right sensor circuit issues
• Brake control concerns caused by damaged sensor wiring or connector wear
• Diagnostic trouble codes tied to wheel speed sensor performance

Installation Notes and Tips

Verify the rear right position, connector style, and chassis configuration before installation. This part is listed for applications with an integrated ABS wheel speed sensor wiring harness, and several fitments include axle or damping-related notes that must match the vehicle exactly. Confirm the vehicle year, make, model, and rear suspension configuration against the catalog listing before replacing the sensor.

Quality Assurance

Holstein Parts catalogs this ABS wheel speed sensor as a direct replacement-style brake sensor component for the listed GM applications. Part number 2ABS2903 is cross-referenced to Delphi SS20359 and is also listed against Standard Ignition ALS2638 for the same application family.