Standard Ignition ALS2844 ABS Wheel Speed Sensor - Rear Left

ABS Wheel Speed Sensor for Rear Left Applications

Standard Ignition ALS2844 is an ABS wheel speed sensor built for rear left wheel mounting on select Cadillac and Buick applications. It uses a rectangular female connector, a bolt-mount design, and a 59-inch harness to support a direct-style replacement for the original sensor signal path.

Compatible With 2012-2019 Cadillac XTS and 2012-2016 Buick LaCrosse rear left applications, plus 2014-2017 Buick Regal rear left with H-Arm rear axle. Standard Ignition ALS2844 is also a fitment match for related OE cross-reference numbers used in the same applications.

Key Features

• ABS wheel speed sensor for rear left wheel position
• Female rectangular connector with 2 blade terminals
• Bolt-mount installation with 1 mounting hole
• 59-inch harness length for routing to the vehicle harness
• Built with quality-controlled manufacturing for consistent sensor output
• Direct fit coverage for Cadillac XTS, Buick Regal, and Buick LaCrosse applications

Detailed Description

Standard Ignition ALS2844 is engineered as a replacement ABS wheel speed sensor for vehicles that rely on accurate wheel-speed data for anti-lock braking system operation. The sensor mounts at the wheel and uses a female rectangular connector with male blade terminals to match the original-style electrical interface. Its long harness and bolt-mount design support installation in the rear left position where routing and secure attachment matter.

This part is a strong match for 2013-2019 Cadillac XTS rear left, 2014-2017 Buick Regal rear left with H-Arm rear axle, 2014-2016 Buick LaCrosse rear left, and 2012-2013 Buick LaCrosse rear left with H-Arm rear axle. Standard Ignition ALS2844 is also a cross-reference for OE-style numbers used in these same applications, including 5S13697 and 22785577.

What It Helps Address

• ABS warning light caused by a failed rear wheel speed sensor
• Intermittent wheel-speed signal loss at the rear left wheel
• Brake system fault codes related to sensor circuit performance
• Erratic ABS operation from damaged sensor wiring or connector wear
• Loss of accurate wheel-speed input to the ABS control system

Installation Notes and Tips

Verify the rear left position, connector style, and axle configuration before installation. Inspect the wheel hub area, harness routing, and connector terminals for corrosion, damage, or debris that could affect signal quality. Confirm the vehicle application against the listed fitment for Cadillac XTS, Buick Regal, or Buick LaCrosse before replacing the sensor.

Quality Assurance

Standard Ignition manufactures this ABS sensor with controlled production processes and quality-focused materials to support durable service life and precise performance. The brand catalogs extensive ABS sensor coverage for domestic and import applications, helping maintain consistent replacement standards across a wide range of vehicles.