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Standard Ignition ALS621 ABS Wheel Speed Sensor - Front
Reliable ABS Wheel Speed Sensor for Nissan and Infiniti Vehicles
The Standard Ignition ALS621 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for your Nissan or Infiniti vehicle. Engineered to meet OEM specifications, this sensor ensures proper ABS function and vehicle stability.
- Terminal Quantity: 2 for secure electrical connections
- Female connector with a single square-shaped plug
- Male blade-type terminals for reliable contact
- 29-inch (740 mm) harness length for flexible installation
- Mounts directly to the wheel with one bolt hole for easy fitment
Detailed Product Features and Specifications
This ABS wheel speed sensor features a female connector with a square shape and a single connection point, designed to interface seamlessly with the vehicle’s wiring harness. The sensor includes two terminals—male blade type—ensuring a stable electrical connection. With a 29-inch harness length, it provides sufficient reach for installation on the wheel mounting location. The single bolt hole mounting design simplifies replacement and ensures a secure fit. This sensor is compatible with select Nissan and Infiniti models, including the Armada, Pathfinder Armada, QX56, and TITAN.
Compatible Vehicles and Applications
The Standard Ignition ALS621 ABS Wheel Speed Sensor is compatible with the following vehicles:
- Nissan Armada
- Nissan Pathfinder Armada
- Infiniti QX56
- Nissan TITAN
It is specifically designed to replace the original ABS sensor and maintain the integrity of the vehicle’s anti-lock braking system.
Common Issues Addressed by This ABS Sensor
- Intermittent or inaccurate wheel speed readings causing ABS warning lights
- Loss of ABS functionality leading to compromised braking performance
- Faulty sensor signals affecting traction control and stability systems
- Sensor damage from road debris or corrosion
- Electrical connection failures due to worn terminals or connectors
Installation Notes and Tips
When installing the ALS621 ABS Wheel Speed Sensor, ensure the mounting surface is clean and free of debris. Use the single bolt hole to secure the sensor firmly to the wheel hub. Verify that the female connector is properly seated and locked into the vehicle’s wiring harness. Avoid twisting or stretching the 29-inch harness to prevent damage. It is recommended to check the ABS system for error codes after installation to confirm proper sensor operation.
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The ALS621 ABS Wheel Speed Sensor undergoes rigorous testing to verify electrical and mechanical integrity. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.
| Brand | Standard Ignition |
| Part Number | ALS621 |
| Connector Gender | Female |
| Connector Shape | Square |
| Harness Length - inches | 29 |
| Harness Length - mm | 740 |
| Mounting Location | Wheel |
| Number of Bolt Holes | 1 |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | INFINITI | QX56 | Front | |
| 2007 | Nissan | Armada | Front | |
| 2007 | Nissan | TITAN | Front | |
| 2006 | INFINITI | QX56 | Front | |
| 2006 | Nissan | Armada | Front | |
| 2006 | Nissan | TITAN | Front | |
| 2005 | INFINITI | QX56 | Front | |
| 2005 | Nissan | Armada | Front | |
| 2005 | Nissan | TITAN | Front | |
| 2004 | INFINITI | QX56 | Front | |
| 2004 | Nissan | Pathfinder Armada | Front |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.