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Standard Ignition ALS501 Tire Pressure Monitoring System Sensor - Rear Left
Reliable TPMS Sensor for Ford and Mercury Vehicles
The Standard Ignition ALS501 Tire Pressure Monitoring System (TPMS) Sensor is designed to provide accurate tire pressure readings for select Ford and Mercury models. Engineered for durability and precise fitment, this sensor helps maintain optimal tire performance and safety.
- Connector Gender: Female
- Single round connector with 43.5-inch (1104.9 mm) harness length
- Bolt mount installation with one bolt hole for secure wheel attachment
- Terminal Type: Two male pin terminals for reliable electrical connection
- Mounting Location: Wheel-mounted sensor for direct tire pressure monitoring
- Mounting Hardware: Not included, allowing use of existing hardware
Detailed Product Description
The Standard Ignition ALS501 TPMS sensor is specifically designed for compatibility with Ford Five Hundred, Mercury Montego, and Ford Freestyle models. Featuring a female connector with a round shape, this sensor ensures a secure and stable connection to the vehicle’s wiring harness. The 43.5-inch harness length provides flexibility during installation, accommodating various wheel configurations. The bolt mount design with a single bolt hole allows for straightforward and secure attachment directly to the wheel. Equipped with two male pin terminals, the sensor maintains consistent electrical contact for accurate tire pressure data transmission.
Common Applications and Problem Resolution
- Replaces faulty or damaged TPMS sensors on Ford Five Hundred, Mercury Montego, and Ford Freestyle
- Resolves inaccurate or intermittent tire pressure readings
- Eliminates TPMS warning light issues related to sensor failure
- Supports maintaining proper tire inflation for improved safety and tire longevity
- Ensures compliance with vehicle safety monitoring systems
Installation Notes and Tips
- Verify vehicle compatibility with Ford Five Hundred, Mercury Montego, or Ford Freestyle before installation
- Use existing mounting hardware as this sensor does not include mounting bolts
- Handle the sensor carefully to avoid damage to the connector and terminals
- Ensure the sensor is securely bolt-mounted to the wheel to prevent signal loss
- After installation, perform a TPMS system reset or relearn procedure as specified by the vehicle manufacturer
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The ALS501 TPMS sensor undergoes rigorous testing to maintain accuracy and longevity. Please refer to Standard Ignition’s warranty policy for specific coverage details.
| Brand | Standard Ignition |
| Part Number | ALS501 |
| Connector Gender | Female |
| Connector Shape | Round |
| Harness Length - inches | 43.5 |
| Harness Length - mm | 1104.9 |
| Mounting Hardware Included | No |
| Mounting Location | Wheel |
| Mounting Type | Bolt Mount |
| Number of Bolt Holes | 1 |
| Terminal Gender | Male |
| Terminal Type | Pin |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Ford | Five Hundred | FWD | Rear Left | |
| 2007 | Ford | Freestyle | FWD | Rear Left | Install sensor and follow OEM factory relearn procedure, no programming required. |
| 2007 | Ford | Freestyle | FWD | Rear Left | |
| 2007 | Mercury | Montego | FWD | Rear Left | |
| 2006 | Ford | Five Hundred | FWD | Rear Left | |
| 2006 | Ford | Freestyle | FWD | Rear Left | |
| 2006 | Mercury | Montego | FWD | Rear Left | |
| 2005 | Ford | Five Hundred | FWD | Rear Left | |
| 2005 | Ford | Freestyle | FWD | Rear Left | |
| 2005 | Mercury | Montego | FWD | Rear 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.