Standard Ignition ALS303 ABS Wheel Speed Sensor - Rear Left

Reliable ABS Wheel Speed Sensor for Nissan Pathfinder and Infiniti QX4

The Standard Ignition ALS303 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for your Nissan Pathfinder or Infiniti QX4. Engineered to meet OEM specifications, this sensor ensures proper ABS function and vehicle stability.

• Terminal Quantity: 2
• Connector Gender: Female
• Terminal Gender: Male
• Connector Quantity: 1
• Connector Shape: Square
• Hardware Included: No
• Harness Length: 47 inches (1190 mm)
• Mounting Location: Wheel
• Number of Bolt Holes: 4
• Terminal Type: Blade

Detailed Product Description

The Standard Ignition ALS303 ABS Wheel Speed Sensor is specifically designed for use on the wheel mounting location of Nissan Pathfinder and Infiniti QX4 models. Featuring a 47-inch harness length, this sensor provides ample reach for secure installation. The sensor includes a single square-shaped female connector with two terminals, paired with male blade terminals for reliable electrical connections. It mounts securely with four bolt holes, ensuring stable positioning and consistent performance. Note that hardware is not included, so existing mounting bolts should be reused or sourced separately.

Common Applications and Problem Resolution

• Restores accurate wheel speed readings for ABS system functionality
• Eliminates ABS warning lights caused by faulty sensors
• Improves traction control and vehicle stability systems
• Prevents erratic braking behavior due to sensor failure
• Addresses sensor wiring or connector issues with proper terminal design

Installation Notes and Tips

When installing the Standard Ignition ALS303 sensor, ensure the mounting surface is clean and free of debris. Verify the four bolt holes align correctly with the wheel hub assembly. Use the existing hardware or appropriate bolts to secure the sensor firmly. Connect the female square connector to the vehicle harness, confirming the male blade terminals are properly seated. Avoid stretching the 47-inch harness to prevent damage. Testing the sensor after installation is recommended to confirm proper ABS system operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The ALS303 ABS Wheel Speed Sensor undergoes rigorous quality control to ensure durability and reliable performance. While hardware is not included, the sensor itself is backed by Standard Ignition's limited warranty against defects in material and workmanship, providing confidence in your replacement part.