Standard Ignition ALS3729 ABS Wheel Speed Sensor - Rear

Rear ABS Wheel Speed Sensor for Ford and Lincoln

Standard Ignition ALS3729 is a rear ABS wheel speed sensor for select Ford and Lincoln vehicles. It uses a direct, snap-fit attachment method with a bolt-mount spindle location and includes a wiring harness for a clean replacement on the rear axle.

Key Features

• ABS wheel speed sensor for rear wheel applications
• Direct, snap-fit attachment with bolt-mount installation
• Spindle mounting location
• Wiring harness included
• Male/female connectors with 3 connector points
• Black finish
• Standard Ignition ALS3729 replacement part

Detailed Product Overview

Standard Ignition ALS3729 is built for rear ABS system service on select Ford Edge, Lincoln Nautilus, Ford Fusion, Lincoln Continental, and Lincoln MKZ models. It is a spindle-mounted sensor with a single bolt-hole mounting design and a harness length of 22.25 inches, helping match the original routing and connection layout on the vehicle. The rectangular and oval connector shapes, along with blade terminals, support a direct replacement style installation where the original sensor and harness configuration is retained. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle Fitment

• Fits 2019-2024 Ford Edge, rear, w/o Automated Parking Assist
• Fits 2019-2023 Lincoln Nautilus, rear, w/o Automated Parking Assist
• Fits 2019-2020 Ford Fusion, rear, w/o Automated Parking Assist
• Fits 2018-2020 Lincoln Continental, rear, w/o Automated Parking Assist
• Fits 2019-2020 Lincoln MKZ, rear, w/o Automated Parking Assist

Common Repair Uses

• ABS warning light caused by a failed rear wheel speed sensor
• Intermittent or inaccurate wheel speed signal to the ABS module
• Traction control or stability control faults tied to rear sensor input
• Sensor damage from road debris, corrosion, or harness wear
• Brake system fault codes related to rear wheel speed monitoring

Installation Notes and Tips

Verify rear fitment by year, make, model, and the note for vehicles without Automated Parking Assist before ordering. Inspect the spindle mounting point, connector style, and harness routing before installation. Replace any damaged clips or retainers on the vehicle side as needed, and confirm the sensor seats fully at the bolt-mount location.

Quality Assurance

Standard Ignition replacement electrical components are built for service applications where accurate signal transfer and OE-style fit are important. ALS3729 is a direct replacement ABS wheel speed sensor for the listed Ford and Lincoln rear applications.