Standard Ignition ALS1581 ABS Wheel Speed Sensor - Front Left

Reliable ABS Wheel Speed Sensor for Subaru Legacy and Outback

The Standard Ignition ALS1581 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for Subaru Legacy and Outback models. Engineered for precise fitment and reliable performance, this sensor helps maintain your vehicle's anti-lock braking system functionality.

• Compatible with Subaru Legacy and Outback models
• Mounting type: bolt mount with 3 bolt holes for secure installation
• Harness length of 34.25 inches (867 mm) for proper routing
• Rectangular male connector with one connector and two female blade terminals
• Does not include mounting hardware or dust shield

Product Features and Specifications

The ALS1581 ABS Wheel Speed Sensor features a bolt mount design with three bolt holes, ensuring a stable and secure attachment at the wheel mounting location. The sensor includes a 34.25-inch harness, allowing for proper connection without excess slack. It has a rectangular male connector with one connector quantity and two female blade terminals, designed to interface correctly with the vehicle's wiring harness. This sensor does not come with mounting hardware or a dust shield, so those components must be reused or sourced separately.

Purpose and Common Applications

This ABS wheel speed sensor is essential for monitoring wheel rotation speed and transmitting this data to the vehicle's anti-lock braking system (ABS) control module. It helps prevent wheel lockup during braking and supports vehicle stability control systems.

• Corrects ABS warning light issues caused by faulty sensors
• Resolves inconsistent or erratic ABS system behavior
• Improves braking performance and safety on Subaru Legacy and Outback vehicles
• Addresses wheel speed sensor circuit faults or error codes
• Restores proper function after sensor damage or wear

Installation Notes and Tips

Installation requires removal of the wheel and access to the wheel hub assembly. The sensor mounts securely using three bolts; ensure bolts are torqued to manufacturer specifications. Since mounting hardware is not included, retain original bolts or acquire replacements before installation. Carefully route the 34.25-inch harness to avoid pinching or damage. Verify connector engagement with the vehicle’s wiring harness to ensure proper electrical connection.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The ALS1581 ABS Wheel Speed Sensor undergoes rigorous quality control to ensure reliable operation. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.