Standard Ignition ALS321 ABS Wheel Speed Sensor - Rear or Rear Center

Reliable ABS Wheel Speed Sensor for Buick and Chevrolet Vehicles

The Standard Ignition ALS321 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for improved braking performance. Compatible with select Buick and Chevrolet models, this sensor ensures reliable operation within your vehicle's anti-lock braking system.

Key Features of the Standard Ignition ALS321 ABS Sensor

• Connector Gender: Female for secure electrical connection
• Single round connector shape with one connector quantity
• Harness length of 53.5 inches (1359 mm) for flexible installation
• Mounting location directly on the wheel for precise speed detection
• One bolt hole for straightforward mounting
• Two female pin terminals ensuring proper signal transmission

Detailed Product Description

The ALS321 ABS Wheel Speed Sensor from Standard Ignition is engineered to meet the specific requirements of Buick Caprice, Chevrolet Impala, Roadmaster, and Commercial Chassis models. Featuring a female connector with a round shape and a single connection point, this sensor integrates seamlessly with the vehicle's wiring harness. The 53.5-inch harness length allows for easy routing and installation near the wheel mounting location. With one bolt hole for secure attachment and two female pin terminals, the sensor delivers consistent and accurate wheel speed data to the vehicle's ABS control module.

Common Applications and Issues Addressed

• Restores ABS functionality by replacing faulty or damaged wheel speed sensors
• Eliminates ABS warning lights caused by sensor failure
• Improves braking response and stability on Buick Caprice and Chevrolet Impala models
• Prevents erratic ABS behavior due to poor sensor connections
• Supports safe operation of ABS systems on Chevrolet Roadmaster and Commercial Chassis vehicles

Installation Notes and Tips

• Ensure the mounting location on the wheel is clean and free of debris before installation
• Verify the connector gender and shape match the vehicle’s wiring harness for proper fit
• Route the 53.5-inch harness carefully to avoid contact with moving parts or heat sources
• Tighten the single bolt securely to prevent sensor movement during operation
• Test the ABS system after installation to confirm sensor functionality

Quality Assurance and Warranty Information

Standard Ignition manufactures the ALS321 ABS Wheel Speed Sensor to meet OEM specifications for durability and performance. This sensor undergoes rigorous testing to ensure reliable operation in demanding conditions. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in your replacement part.