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Standard Ignition ALS408 ABS Wheel Speed Sensor - Rear Right
Overview of Standard Ignition ALS408 ABS Wheel Speed Sensor
The Standard Ignition ALS408 ABS Wheel Speed Sensor is designed for precise wheel speed monitoring on select Mercedes-Benz models. This sensor ensures accurate data transmission to your vehicle's ABS system, helping maintain optimal braking performance.
- Terminal Quantity: 2
- Connector Gender: Male
- Terminal Gender: Female
- Connector Quantity: 1
- Connector Shape: Oval
- Hardware Included: No
- Harness Length: 42.8 inches (1090 mm)
- Mounting Location: Wheel
- Number of Bolt Holes: 1
- Terminal Type: Pin
Detailed Product Description
The ALS408 ABS Wheel Speed Sensor from Standard Ignition is engineered to provide reliable wheel speed data for the anti-lock braking system on Mercedes-Benz vehicles such as the 300E, 300TE, E320, E420, and E500. Featuring a 42.8-inch harness length, this sensor offers flexibility during installation and ensures proper connection to the vehicle’s wiring harness. The sensor includes a single oval-shaped male connector with two terminals, designed to interface with a female pin terminal for secure electrical contact. It mounts directly to the wheel hub using one bolt hole, facilitating straightforward replacement without additional hardware.
Common Applications and Problem Resolution
- Restores ABS functionality by providing accurate wheel speed data
- Resolves ABS warning light issues related to faulty sensors
- Eliminates erratic braking behavior caused by sensor failure
- Prevents traction control system malfunctions linked to wheel speed input
- Addresses inconsistent speedometer readings on compatible Mercedes-Benz models
Installation Notes and Tips
- Ensure the mounting location on the wheel hub is clean and free of debris before installation
- Verify connector orientation; the oval male connector must align properly with the female terminal
- Use the original bolt or equivalent to secure the sensor firmly in place
- Check the harness length to confirm it reaches the vehicle’s wiring harness without tension
- Test the ABS system after installation to confirm sensor functionality
Quality Assurance and Warranty
Standard Ignition manufactures the ALS408 sensor to meet or exceed OEM specifications for fit, form, and function. While hardware is not included, the sensor is built for durability and consistent performance. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition directly to ensure proper protection.
| Brand | Standard Ignition |
|---|---|
| Part Number | ALS408 |
| Connector Gender | Male |
| Connector Shape | Oval |
| Harness Length - inches | 42.8" |
| Harness Length - mm | 1090 |
| Mounting Location | Wheel |
| Number of Bolt Holes | 1 |
| Terminal Gender | Female |
| Terminal Type | Pin |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1995 | Mercedes-Benz | E320 | Rear Right | Compatible with vehicles equipped with Traction Control. | |
| 1994 | Mercedes-Benz | E320 | Rear Right | Compatible with vehicles equipped with Traction Control. | |
| 1994 | Mercedes-Benz | E420 | Rear Right | Compatible with vehicles equipped with Traction Control. | |
| 1994 | Mercedes-Benz | E500 | Rear Right | Compatible with vehicles equipped with Traction Control. | |
| 1993 | Mercedes-Benz | 300TE | RWD | Rear Right | |
| 1992 | Mercedes-Benz | 300E | RWD | Rear Right | |
| 1991 | Mercedes-Benz | 300E | RWD | Rear Right | |
| 1990 | Mercedes-Benz | 300E | RWD | Rear Right |
* 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.