OE Quality
60-Day Returns

Standard Ignition ALS416 ABS Wheel Speed Sensor - Rear or Rear Right
Reliable ABS Wheel Speed Sensor for Audi A4 Quattro and S4
The Standard Ignition ALS416 ABS Wheel Speed Sensor is designed specifically for Audi A4 Quattro and S4 models. This sensor plays a critical role in your vehicle's anti-lock braking system by accurately monitoring wheel speed to ensure safe and effective braking performance.
- Compatible with Audi A4 Quattro and S4 models
- Part number ALS416 for precise identification
- Engineered to meet OEM specifications for reliable operation
- Durable construction to withstand harsh driving conditions
- Essential component for ABS and traction control systems
Product Details and Functionality
The Standard Ignition ALS416 ABS Wheel Speed Sensor is a vital component that detects the rotational speed of the wheels and sends this data to the vehicle’s ABS control module. This information helps prevent wheel lockup during braking and maintains vehicle stability. Designed to match the exact fitment requirements of Audi A4 Quattro and S4 models, this sensor ensures seamless integration with your vehicle’s braking system. The ALS416 sensor is manufactured to meet strict quality standards, providing consistent and accurate wheel speed readings under various driving conditions.
Common Issues Addressed by the ALS416 Sensor
- Intermittent ABS warning lights on the dashboard
- Loss of anti-lock braking system functionality
- Erratic or unstable braking performance
- Traction control system malfunctions
- Inaccurate wheel speed data affecting vehicle stability
Installation Notes and Tips
When installing the Standard Ignition ALS416 ABS Wheel Speed Sensor, ensure the vehicle is securely lifted and the wheel assembly is accessible. Carefully disconnect the old sensor and inspect the mounting area for debris or damage. Install the new sensor in the exact position to maintain accurate wheel speed readings. It is recommended to check the sensor wiring and connectors for corrosion or wear during installation. After replacement, verify the ABS system functionality by performing a test drive and confirming the absence of warning lights.
Quality Assurance and Warranty Information
Standard Ignition manufactures the ALS416 ABS Wheel Speed Sensor to meet or exceed OEM standards, ensuring reliable performance and durability. This sensor undergoes rigorous testing to confirm its accuracy and longevity. The product is backed by a limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.
| Brand | Standard Ignition |
|---|---|
| Part Number | ALS416 |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Harness Length - inches | 39.5" |
| Harness Length - mm | 1000 |
| Mounting Location | Wheel |
| Number of Bolt Holes | 1 |
| Terminal Gender | Male |
| Terminal Type | Pin |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2001 | Audi | A4 Quattro | Rear Right | ||
| 2001 | Audi | S4 | Sedan | Rear | w/o Self Leveling Headlights |
| 2000 | Audi | A4 Quattro | Rear | w/o Self Leveling Headlights | |
| 2000 | Audi | S4 | Rear | w/o Self Leveling Headlights | |
| 1999 | Audi | A4 Quattro | Rear |
* 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.