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Standard Ignition ALS777 Tire Pressure Monitoring System (TPMS) Sensor - Front Left
Reliable TPMS Sensor for Lexus and Toyota Vehicles
The Standard Ignition ALS777 Tire Pressure Monitoring System (TPMS) Sensor is designed to provide accurate tire pressure readings for select Lexus and Toyota models. Engineered for bolt mount installation on the wheel, this sensor helps maintain optimal tire performance and safety.
- Compatible with Lexus Highlander, RX330, RX350, and RX400h models
- Part number ALS777 for precise replacement
- Bolt mount type with 2 bolt holes for secure installation
- Rectangular female connector with 1 connector quantity
- Blade terminal type with 2 terminals (male and female)
- Mounts directly on the wheel for accurate pressure monitoring
Detailed Product Features and Specifications
The Standard Ignition ALS777 TPMS sensor features a bolt mount design with two bolt holes, ensuring a secure and stable fit on the wheel. It includes a rectangular female connector with one connector quantity, designed to interface with the vehicle’s wiring harness. The sensor terminals are blade type, with two terminals—one male and one female—providing reliable electrical connections. This sensor does not include mounting hardware or a dust shield, so ensure compatibility with your vehicle’s existing components. Specifically engineered for Lexus Highlander and Toyota RX series models, this sensor supports accurate tire pressure monitoring to help maintain vehicle safety and performance.
Applications and Problem Solving
- Replaces faulty or damaged TPMS sensors on Lexus Highlander and Toyota RX330, RX350, RX400h
- Restores accurate tire pressure readings to prevent uneven tire wear
- Helps avoid tire-related safety issues caused by underinflation or overinflation
- Supports compliance with vehicle safety standards requiring functional TPMS
- Improves fuel efficiency by maintaining proper tire pressure
Installation Notes and Tips
Installation requires mounting the sensor directly on the wheel using the bolt mount with two bolt holes. Since mounting hardware is not included, use existing or compatible bolts for secure attachment. Ensure the rectangular female connector aligns properly with the vehicle’s wiring harness for a reliable electrical connection. Handle the blade terminals carefully to avoid damage during installation. It is recommended to have the TPMS sensor programmed or relearned to the vehicle’s system after installation to ensure proper functionality.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details for the ALS777 TPMS sensor are not provided here, Standard Ignition typically offers coverage against defects in material and workmanship. For exact warranty terms, consult the product documentation or the vehicle service provider.
| Brand | Standard Ignition |
| Part Number | ALS777 |
| Mounting Hardware Included | No |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Connector Quantity | 1 |
| Connector Shape | Rectangular |
| Dust Shield Included | No |
| Mounting Location | Wheel |
| Mounting Type | Bolt mount |
| Number of Bolt Holes | 2 |
| Terminal Type | Blade |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2009 | Lexus | RX350 | AWD | Front Left | Made in Japan |
| 2008 | Lexus | RX350 | AWD | Front Left | Made in Japan |
| 2008 | Lexus | RX400h | AWD | Front Left | |
| 2008 | Lexus | RX400h | FWD | Front Left | |
| 2007 | Lexus | RX350 | Front Left | Made in Japan | |
| 2007 | Lexus | RX400h | AWD | Front Left | |
| 2007 | Lexus | RX400h | FWD | Front Left | |
| 2007 | Toyota | Highlander | AWD | Front Left | |
| 2007 | Toyota | Highlander | FWD | Front Left | |
| 2006 | Lexus | RX330 | AWD | Front Left | Made in Japan |
| 2006 | Lexus | RX330 | FWD | Front Left | Made in Japan |
| 2006 | Lexus | RX400h | AWD | Front Left | |
| 2006 | Lexus | RX400h | FWD | Front Left | |
| 2006 | Toyota | Highlander | Front Left | Install sensor and follow OEM factory relearn procedure, no programming required. | |
| 2006 | Toyota | Highlander | AWD | Front Left | |
| 2006 | Toyota | Highlander | FWD | Front Left | |
| 2005 | Lexus | RX330 | Front Left | Built In Japan; No programming required. Install sensor and follow the OEM factory relearn procedure. | |
| 2005 | Lexus | RX330 | AWD | Front Left | Made in Japan |
| 2005 | Lexus | RX330 | FWD | Front Left | Made in Japan |
| 2005 | Toyota | Highlander | Front Left | Install sensor and follow OEM factory relearn procedure, no programming required. | |
| 2005 | Toyota | Highlander | AWD | Front Left | |
| 2005 | Toyota | Highlander | FWD | Front Left | |
| 2004 | Lexus | RX330 | Front Left | Built In Japan; No programming required. Install sensor and follow the OEM factory relearn procedure. | |
| 2004 | Lexus | RX330 | AWD | Front Left | Made in Japan |
| 2004 | Lexus | RX330 | FWD | Front Left | Made in Japan |
| 2004 | Toyota | Highlander | Front Left | Install sensor and follow OEM factory relearn procedure, no programming required. | |
| 2004 | Toyota | Highlander | AWD | Front Left | |
| 2004 | Toyota | Highlander | FWD | 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.