Standard Ignition ALS57 ABS Wheel Speed Sensor - Rear Left

ABS Wheel Speed Sensor for Jeep Wrangler TJ

Standard Ignition ALS57 is an ABS wheel speed sensor for rear left applications on select Jeep Wrangler and Jeep TJ models. It is built for precise signal delivery, durable service, and direct-fit replacement needs in brake system repair.

Key Features

• ABS wheel speed sensor for wheel-mounted rear left applications
• Female connector with oval shape for a direct electrical interface
• 56-inch harness length for routing to the factory connection point
• Flange mounting with one bolt hole for secure installation
• Male pin terminals with two terminal positions
• Engineered for precision performance and long service life
• Standard Ignition ALS57 for domestic and import brake service coverage

Detailed Product Overview

Standard Ignition ALS57 is an ABS wheel speed sensor designed for rear left placement on 1997-2006 Jeep Wrangler and 1997-1998 Jeep TJ models. This sensor monitors wheel speed data for the anti-lock brake system, helping the vehicle control module interpret wheel rotation accurately during braking events. The ALS57 uses a wheel-mounted flange design, a female oval connector, and a 56-inch harness to match the original routing and connection style on the listed applications. Standard Ignition manufactures this ABS sensor with controlled production from component to finished part, supporting consistent fit and signal performance. This part cross-references Dorman - OE Solutions 970-415 and Cardone Reman 72-6142 for the same application.

What It Helps Address

• ABS warning light caused by a failed rear wheel speed sensor
• Erratic or missing wheel speed signal at the rear left wheel
• Brake system fault codes related to wheel speed input
• Loss of anti-lock brake function on Jeep Wrangler or Jeep TJ
• Intermittent ABS operation from damaged sensor wiring or connector wear

Installation Notes and Tips

Fits 1997-2006 Jeep Wrangler, rear left. Fits 1997-1998 Jeep TJ, rear left. Confirm connector style, harness routing, and mounting location before installation. Inspect the wheel-end tone ring, wiring path, and connector terminals for corrosion or damage so the replacement sensor can deliver a clean signal. Standard Ignition ALS57 is intended for direct replacement on the listed rear left wheel position.

Quality Assurance

Standard Ignition maintains quality control through the manufacturing process, from component selection to finished ABS sensor production. The ALS57 is part of a broad ABS sensor catalog built to support service professionals with consistent coverage and dependable brake system repair parts.