OE Quality
60-Day Returns

Standard Ignition ALS640 Tire Pressure Monitoring System Sensor - Rear Left
Reliable TPMS Sensor for Toyota Sienna Vehicles
The Standard Ignition ALS640 Tire Pressure Monitoring System (TPMS) Sensor is designed specifically for Toyota Sienna models. This sensor helps maintain accurate tire pressure readings, contributing to vehicle safety and performance.
- Compatible with Toyota Sienna vehicles
- Part number ALS640 for precise identification
- Mounting type: bolt mount with 2 bolt holes
- Connector: 1 rectangular male connector with 2 terminals
- Terminal type: female blade terminals
- Harness length: 24 inches (600 mm)
- Mounting location: wheel
- No mounting hardware or dust shield included
Technical Details of the Standard Ignition ALS640 TPMS Sensor
This TPMS sensor features a bolt mount design with two bolt holes, ensuring secure attachment to the wheel. The sensor includes a 24-inch (600 mm) harness with a single rectangular male connector housing two female blade terminals. This configuration supports reliable electrical connections necessary for accurate tire pressure monitoring. The sensor is designed without mounting hardware or a dust shield, so additional components may be required during installation depending on your vehicle's setup.
Purpose and Benefits of the ALS640 TPMS Sensor
- Monitors tire pressure to prevent unsafe driving conditions
- Helps reduce tire wear by maintaining proper inflation
- Supports fuel efficiency by ensuring optimal tire pressure
- Alerts drivers to slow leaks or sudden pressure loss
- Complies with safety regulations requiring TPMS in Toyota Sienna vehicles
Installation Notes for Toyota Sienna TPMS Sensor ALS640
Installation requires mounting the sensor on the wheel using the bolt mount with two bolt holes. Ensure the harness is properly connected to the vehicle’s wiring harness via the rectangular male connector. Since mounting hardware is not included, verify if your vehicle requires additional bolts or brackets. Handle the sensor carefully to avoid damage to the blade terminals during installation.
Quality Assurance and Warranty Information
Standard Ignition manufactures the ALS640 TPMS sensor to meet OEM specifications for Toyota Sienna vehicles. While mounting hardware and dust shields are not included, the sensor itself undergoes rigorous testing to ensure reliable performance. Please consult Standard Ignition’s warranty policy for coverage details related to this TPMS sensor.
| Brand | Standard Ignition |
| Part Number | ALS640 |
| Connector Gender | Male |
| Connector Shape | Rectangular |
| Harness Length - inches | 24 |
| Harness Length - mm | 600 |
| Mounting Location | Wheel |
| Number of Bolt Holes | 1 |
| Terminal Gender | Female |
| Terminal Type | Blade |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Toyota | Sienna | AWD | Rear Left | |
| 2009 | Toyota | Sienna | AWD | Rear Left | |
| 2008 | Toyota | Sienna | AWD | Rear Left | |
| 2007 | Toyota | Sienna | AWD | Rear Left | |
| 2006 | Toyota | Sienna | AWD | Rear Left | Install sensor and follow OEM factory relearn procedure, no programming required. |
| 2006 | Toyota | Sienna | AWD | Rear Left | |
| 2005 | Toyota | Sienna | AWD | Rear Left | Install sensor and follow OEM factory relearn procedure, no programming required. |
| 2005 | Toyota | Sienna | AWD | Rear Left | |
| 2004 | Toyota | Sienna | AWD | Rear Left | Install sensor and follow OEM factory relearn procedure, no programming required. |
| 2004 | Toyota | Sienna | AWD | 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.