OE Quality
60-Day Returns

Standard Ignition ALS249 ABS Wheel Speed Sensor - Front Right
Reliable ABS Wheel Speed Sensor for Nissan Frontier
The Standard Ignition ALS249 ABS Wheel Speed Sensor is designed specifically for Nissan Frontier models, ensuring accurate wheel speed data for your vehicle's anti-lock braking system. This sensor helps maintain optimal braking performance and vehicle stability under various driving conditions.
- Compatible with Nissan Frontier models requiring ABS wheel speed sensor replacement
- Standard Ignition quality engineered for precise wheel speed detection
- Part number ALS249 ensures correct fit and function
- Durable construction to withstand harsh road and weather conditions
- Direct replacement sensor for seamless installation
Product Details and Compatibility
The ALS249 ABS Wheel Speed Sensor by Standard Ignition is engineered to meet or exceed OEM specifications for Nissan Frontier vehicles. This sensor monitors the rotational speed of the wheel and sends real-time data to the vehicle’s ABS control module. Accurate sensor readings are critical for the anti-lock braking system to function properly, preventing wheel lockup during sudden stops and maintaining vehicle control. The ALS249 part number corresponds to a direct-fit sensor designed to integrate smoothly with the Frontier’s existing ABS system without requiring modifications.
Common Applications and Problem Resolution
- Restores ABS warning light functionality by replacing faulty sensors
- Eliminates erratic or inconsistent ABS activation during braking
- Prevents wheel lockup and improves braking stability on slippery surfaces
- Resolves speedometer or traction control issues related to sensor failure
- Addresses diagnostic trouble codes (DTCs) related to wheel speed sensor faults
Installation Notes and Tips
- Ensure vehicle is securely lifted and supported before sensor replacement
- Disconnect the battery to prevent electrical shorts during installation
- Locate the existing ABS wheel speed sensor on the Nissan Frontier’s wheel hub assembly
- Carefully remove the old sensor and clean the mounting area before installing the ALS249 sensor
- Reconnect wiring harness securely and verify sensor alignment
- Clear any ABS-related diagnostic codes after installation using a scan tool
Quality Assurance and Warranty
Standard Ignition manufactures the ALS249 ABS Wheel Speed Sensor to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain the safety and functionality of your Nissan Frontier’s braking system.
| Brand | Standard Ignition |
|---|---|
| Part Number | ALS249 |
| Connector Gender | Female |
| Connector Shape | Square |
| Harness Length - inches | 46 |
| Harness Length - mm | 1165 |
| Mounting Location | Wheel |
| Number of Bolt Holes | 1 |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Nissan | Frontier | 2.4L | L4 | Front Right | ||
| 2003 | Nissan | Frontier | 2.4L | L4 | Front Right | ||
| 2002 | Nissan | Frontier | RWD | 2.4L | L4 | Front 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.