OE Quality
60-Day Returns

Standard Ignition ALS1239 ABS Wheel Speed Sensor - Rear Right
Reliable ABS Wheel Speed Sensor for Toyota Tercel
The Standard Ignition ALS1239 ABS Wheel Speed Sensor is designed specifically for Toyota Tercel models, ensuring accurate wheel speed data for your vehicle's anti-lock braking system. This sensor features a durable 36-inch harness and a precise rectangular connector to maintain consistent performance.
- Compatible with Toyota Tercel vehicles
- Part Number: ALS1239 for easy identification
- Two terminals with blade-type female terminals
- Single male rectangular connector for secure connection
- 36-inch (914 mm) harness length for flexible installation
- Mounts directly on the wheel with three bolt holes
- Hardware not included
Technical Details and Specifications
The Standard Ignition ALS1239 ABS Wheel Speed Sensor is engineered with a 2-terminal design featuring female blade terminals and a male rectangular connector. The sensor harness measures 36 inches (914 mm), providing ample length for installation on the wheel mounting location. It secures with three bolt holes, ensuring a stable fit. This sensor does not include mounting hardware, so ensure you have the necessary bolts for installation. The connector's rectangular shape and terminal configuration are designed to match factory specifications for Toyota Tercel models, maintaining reliable communication with the vehicle's ABS system.
Purpose and Common Applications
- Monitors wheel speed to support ABS functionality
- Helps prevent wheel lockup during braking
- Detects wheel rotation for traction control systems
- Replaces faulty or damaged ABS wheel speed sensors
- Resolves ABS warning light issues related to sensor failure
Installation Notes and Tips
When installing the Standard Ignition ALS1239 sensor on your Toyota Tercel, verify the connector orientation and terminal gender to ensure proper fit. The 36-inch harness length allows for flexible routing, but avoid sharp bends or pinching. Since hardware is not included, use the original mounting bolts or suitable replacements. Clean the mounting surface before installation to ensure accurate sensor readings and secure attachment.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The ALS1239 ABS Wheel Speed Sensor undergoes rigorous testing to ensure durability and reliable performance. Please refer to Standard Ignition's warranty policy for specific coverage details on this sensor.
| Brand | Standard Ignition |
| Part Number | ALS1239 |
| Connector Gender | Male |
| Connector Shape | Rectangular |
| Harness Length - inches | 36 |
| Harness Length - mm | 914 mm |
| Mounting Location | Wheel |
| Number of Bolt Holes | 3 |
| Terminal Gender | Female |
| Terminal Type | Blade |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | Toyota | Tercel | Rear Right | To 12/95 |
| 1995 | Toyota | Tercel | Rear Right | |
| 1994 | Toyota | Tercel | Rear Right | |
| 1993 | Toyota | Tercel | 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.