OE Quality
60-Day Returns

Standard Ignition ALS1938 ABS Wheel Speed Sensor - Rear
Reliable ABS Wheel Speed Sensor for Jeep Liberty
The Standard Ignition ALS1938 ABS Wheel Speed Sensor is designed specifically for Jeep Liberty models, providing accurate wheel speed data essential for your vehicle's anti-lock braking system. This sensor ensures consistent performance by monitoring wheel rotation at the differential mounting location.
Key Features of Standard Ignition ALS1938 ABS Sensor
- Connector Gender: Female with a single rectangular connector
- Mounting Location: Differential for precise wheel speed measurement
- Mounting Type: Secure bolt mount with one bolt hole
- Terminal Configuration: Two male blade terminals for reliable electrical connection
- Compatible with Jeep Liberty models requiring ALS1938 part number
Detailed Description of the ALS1938 ABS Wheel Speed Sensor
The Standard Ignition ALS1938 is engineered to meet the exact specifications of Jeep Liberty vehicles. Featuring a female rectangular connector and a single connector quantity, this sensor integrates seamlessly with the vehicle’s wiring harness. Its bolt mount design with one bolt hole allows for straightforward installation at the differential, ensuring accurate wheel speed data transmission. The sensor’s two male blade terminals provide a stable and secure electrical connection, critical for the anti-lock braking system’s functionality.
Common Issues Addressed by the ALS1938 Sensor
- Intermittent or no ABS warning light due to faulty sensor signals
- Erratic or non-functioning anti-lock braking system performance
- Inaccurate wheel speed readings causing traction control problems
- ABS system fault codes related to wheel speed sensor failure
- Reduced braking efficiency and safety concerns on Jeep Liberty models
Installation Notes and Tips for ALS1938
- Ensure the mounting location at the differential is clean and free of debris before installation
- Use the original bolt hole for secure and proper sensor alignment
- Verify the connector’s female rectangular shape matches the vehicle harness for compatibility
- Handle the sensor terminals carefully to avoid damage to the male blade terminals
- Test the ABS system after installation to confirm proper sensor operation
Quality Assurance and Warranty Information
Standard Ignition parts, including the ALS1938 ABS Wheel Speed Sensor, are manufactured to meet or exceed OEM standards for fit, form, and function. This sensor undergoes rigorous quality control to ensure durability and reliable performance in Jeep Liberty vehicles. Please refer to Standard Ignition’s warranty policy for specific coverage details.
| Brand | Standard Ignition |
|---|---|
| Part Number | ALS1938 |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Mounting Location | Differential |
| Mounting Type | Bolt Mount |
| Number of Bolt Holes | 1 |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Jeep | Liberty | Rear | |
| 2006 | Jeep | Liberty | 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.