NTK AB1133 ABS Wheel Speed Sensor - Front

NTK ABS Wheel Speed Sensor AB1133

NTK AB1133 is a front ABS wheel speed sensor built for precise wheel speed signal input in supported Chevrolet and Buick applications. It is engineered with OE-focused sensor technology and validated through thermal shock, vibration, and OBD verification testing.

For drivers searching for a front ABS wheel speed sensor for 2013-2020 Chevrolet Malibu, Impala, or Malibu Limited, and 2014-2017 Buick Regal and LaCrosse applications, this NTK sensor provides a direct-fit replacement option. The AB1133 part number is also a useful reference when cross-shopping OE-style brake sensor replacements.

Key Features

• Front ABS wheel speed sensor for brake system signal monitoring
• Wiring harness length: 33.75 in.
• Black connector with square shape
• 2-terminal design with blade terminals
• Female connector and male terminals
• Mounting hardware included
• Built under NTK’s technical sensor line for import and domestic coverage

Product Line Details

NTK’s ABS Wheel Speed Sensor line is part of its broader technical sensor offering, backed by NGK’s automotive experience and OE application knowledge. NTK focuses on sensor coverage for modern braking and vehicle control systems, with manufacturing and validation practices aimed at meeting OE specifications.

Detailed Description

NTK AB1133 is an ABS wheel speed sensor for the front position on select Chevrolet and Buick vehicles. It is designed to deliver the wheel speed data the ABS system uses to monitor braking performance and support stable operation. This sensor fits 2013-2015 Chevrolet Malibu, 2014-2020 Chevrolet Impala, 2016 Chevrolet Malibu Limited, 2015-2017 Buick Regal, and 2014 Buick LaCrosse, with specific exclusions noted for some Buick applications.

This part cross-references Delphi SS20358 for the same application. The AB1133 part number is also commonly used when comparing replacement options for front ABS sensor service on Chevrolet Malibu and Impala models.

What It Helps Address

• ABS warning light caused by a failed front wheel speed sensor
• Erratic or missing wheel speed signal input
• Brake system fault codes related to front sensor performance
• Loss of ABS function from damaged sensor wiring or connector issues
• Intermittent braking control concerns tied to sensor signal interruption

Installation Notes and Tips

Verify the vehicle’s year, make, model, and front-position fitment before installation. Compare the connector style, terminal layout, and harness length to the original sensor, and confirm Buick LaCrosse and Regal applications against the listed RPO and package exclusions. Inspect the tone ring, hub area, and wiring path for damage before installing the new sensor.

Quality Assurance

NTK sensors are produced to meet or exceed OE specifications and are tested under thermal shock, vibration, and OBD verification conditions. This OE-focused validation supports consistent sensor performance in supported Chevrolet Malibu, Impala, Malibu Limited, and Buick Regal and LaCrosse applications.