Walker 241-1129 ABS Wheel Speed Sensor - Rear Left

ABS Wheel Speed Sensor for Rear Left Applications

Walker 241-1129 is an ABS wheel speed sensor built for OE-level form, fit, and signal accuracy. It is engineered for rear left applications on select Chevrolet Impala, Buick Regal, Buick LaCrosse, Chevrolet Malibu Limited, and Chevrolet Malibu models, where precise wheel speed data is required for ABS, traction control, and stability control operation.

• OE-style fit and connector layout for straightforward replacement
• Square connector shape with female connector gender
• 2-terminal blade design for secure electrical connection
• Built with durable housing materials to resist heat, vibration, moisture, and road debris
• End-of-line tested for signal integrity, resistance, and durability
• Cross-references Continental 61159 and Standard Ignition ALS2637 for the same application

Vehicle Fitment

• Fits 2014-2020 Chevrolet Impala, rear left.
• Fits 2014-2017 Buick Regal, rear left.
• Fits 2014-2016 Buick LaCrosse, rear left, Multi-Link Suspension.
• Fits 2016 Chevrolet Malibu Limited, rear left.
• Fits 2013-2015 Chevrolet Malibu, rear left.

How This Sensor Works

The Walker 241-1129 ABS wheel speed sensor monitors wheel rotation and sends accurate data to the ABS control module. That information is used by the braking system to manage anti-lock braking, traction control, and electronic stability control. For rear left service on the listed Chevrolet and Buick platforms, this sensor supports consistent signal communication and OE-style replacement performance.

Common Problems It Can Address

• ABS warning light caused by a failed rear left wheel speed sensor
• Traction control or stability control fault codes tied to wheel speed input
• Intermittent braking system alerts from damaged sensor wiring or connector issues
• Erratic wheel speed readings from contamination, corrosion, or sensor wear
• Loss of ABS function after impact, road debris exposure, or moisture intrusion

Installation Notes

Verify rear left position, connector shape, terminal count, and harness routing before installation. Inspect the tone ring, mounting surface, and nearby wiring for damage or corrosion, and clear diagnostic trouble codes after repair. This part number is 241-1129, and it is commonly searched as an ABS wheel speed sensor for 2013-2020 Chevrolet Malibu, Malibu Limited, and Impala rear left service.

Quality Assurance

Walker Products tests each unit at the end of production to confirm signal integrity, resistance, and durability. The sensor is built to meet OE performance expectations for dependable operation in demanding driving conditions.