Standard Ignition ALS721 ABS Wheel Speed Sensor - Rear Left

Overview of Standard Ignition ALS721 ABS Wheel Speed Sensor

The Standard Ignition ALS721 ABS Wheel Speed Sensor is designed specifically for Lexus LS400 models, providing reliable wheel speed data essential for your vehicle's anti-lock braking system. This sensor ensures accurate monitoring of wheel rotation to maintain optimal braking performance and vehicle stability.

• Compatible with Lexus LS400 vehicles
• Part number ALS721 for precise identification
• 48-inch (1219 mm) harness length for flexible installation
• Rectangular male connector with one connector and two female blade terminals
• Single bolt hole mounting location at the wheel
• Hardware not included

Detailed Product Description

The ALS721 ABS Wheel Speed Sensor from Standard Ignition is engineered to meet the exact specifications required by Lexus LS400 models. Featuring a 48-inch harness length, this sensor allows for convenient routing and connection within the wheel assembly. The sensor includes a rectangular male connector with one connector quantity and two female blade terminals, ensuring secure and reliable electrical connections. It mounts directly to the wheel using a single bolt hole, facilitating straightforward installation. Note that hardware is not included with this sensor, so existing mounting bolts should be reused or sourced separately.

Common Applications and Problem Resolution

This ABS wheel speed sensor is essential for maintaining proper ABS function and vehicle safety. It is commonly used to address issues such as:

• ABS warning light activation due to faulty sensor signals
• Intermittent or inaccurate wheel speed readings
• Loss of traction control or stability control system functionality
• Erratic braking behavior or ABS engagement
• Diagnostic trouble codes related to wheel speed sensor failure

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before sensor replacement
• Disconnect the battery to prevent electrical shorts during installation
• Carefully route the 48-inch harness to avoid pinching or damage
• Use the existing bolt or appropriate hardware to mount the sensor securely at the wheel
• Verify connector engagement and terminal alignment for proper electrical contact

Quality Assurance and Warranty Information

Standard Ignition manufactures the ALS721 sensor to meet OEM standards for fit, form, and function. While hardware is not included, the sensor is tested for durability and electrical performance. Please consult Standard Ignition’s warranty policy for specific coverage details related to this ABS wheel speed sensor.