OE Quality
60-Day Returns

Standard Ignition ALS1186 ABS Wheel Speed Sensor - Front Left
Reliable ABS Wheel Speed Sensor for Chevrolet and GMC Trucks
The Standard Ignition ALS1186 ABS Wheel Speed Sensor is designed specifically for Chevrolet K2500 and K3500 models, ensuring accurate wheel speed data for your vehicle's anti-lock braking system. This sensor features a durable bolt mount design and a 30-inch harness for straightforward installation and reliable performance.
Key Features of the Standard Ignition ALS1186 ABS Sensor
- Connector Gender: Female with a single oval-shaped connector
- Harness Length: 30 inches (760 mm) for flexible routing
- Mounting Location: Wheel, with a bolt mount type for secure attachment
- Number of Bolt Holes: 4 for stable installation
- Terminal Type: Male blade terminals, quantity of 2 for reliable electrical connection
Detailed Product Description
The Standard Ignition ALS1186 ABS Wheel Speed Sensor is engineered to provide precise wheel speed readings to the ABS control module on Chevrolet K2500 and K3500 trucks. Its female oval connector and male blade terminals ensure a secure and corrosion-resistant electrical connection. The 30-inch harness length allows for easy installation without the need for extensions or modifications. The sensor mounts directly to the wheel hub using four bolt holes, providing a stable and vibration-resistant fit. This part number ALS1186 is manufactured to meet or exceed OEM specifications, making it a suitable replacement for maintaining your vehicle's braking system integrity.
Common Issues Addressed by This ABS Wheel Speed Sensor
- Intermittent or no ABS warning light due to faulty sensor signals
- Erratic or non-functioning anti-lock braking system on Chevrolet K2500 and K3500
- Inaccurate wheel speed data causing traction control or stability control malfunctions
- Sensor damage from corrosion or physical wear at the wheel mounting point
- Electrical connection failures due to worn or damaged terminals
Installation Notes and Tips
- Ensure the mounting surface on the wheel hub is clean and free of debris before installation
- Verify the connector orientation matches the female oval shape for proper fit
- Secure the sensor using all four bolt holes to prevent movement and signal disruption
- Route the 30-inch harness carefully to avoid contact with moving parts or heat sources
- Check the electrical terminals for corrosion and ensure a tight connection
Quality Assurance and Warranty Information
Standard Ignition parts, including the ALS1186 ABS Wheel Speed Sensor, are manufactured to meet strict quality standards and OEM specifications. This sensor undergoes rigorous testing to ensure durability and reliable performance on Chevrolet and GMC trucks. Warranty coverage details should be confirmed with the product documentation or manufacturer, typically offering protection against defects in materials and workmanship.
| Brand | Standard Ignition |
| Part Number | ALS1186 |
| Connector Gender | Female |
| Connector Shape | Oval |
| Harness Length - inches | 30 |
| Harness Length - mm | 760 |
| Mounting Location | Wheel |
| Mounting Type | Bolt Mount |
| Number of Bolt Holes | 4 |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | GMC | K2500 | Front Left | GVW 8,600 Lbs. |
| 1997 | GMC | K2500 | Front Left | GVW 8,600 Lbs. |
| 1997 | GMC | K3500 | Front Left | |
| 1996 | Chevrolet | K2500 | Front Left | GVW 8,600 Lbs. |
| 1996 | Chevrolet | K3500 | Front Left | |
| 1996 | GMC | K2500 | Front Left | GVW 8,600 Lbs. |
| 1996 | GMC | K3500 | Front Left | |
| 1995 | Chevrolet | K2500 | Front Left | GVW 8,600 Lbs. |
| 1995 | Chevrolet | K3500 | Front Left | |
| 1995 | GMC | K2500 | Front Left | GVW 8,600 Lbs. |
| 1995 | GMC | K3500 | Front Left |
* 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.