HomeTire and Wheel > SensorsStandard Ignition ALS646 Tire Pressure Monitoring System Sensor - Front Left
Part #: ALS646

Standard Ignition ALS646 Tire Pressure Monitoring System Sensor - Front Left

Front Left
⚙️ 11 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lexus, RX350 and RX330
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Reliable TPMS Sensor for Lexus RX330 and RX350

The Standard Ignition ALS646 Tire Pressure Monitoring System (TPMS) Sensor is designed specifically for Lexus RX330 and RX350 models. This sensor helps maintain accurate tire pressure readings, contributing to vehicle safety and performance.

  • Compatible with Lexus RX330 and RX350 models
  • Part number ALS646 for precise identification
  • Monitors tire pressure to alert drivers of underinflation
  • Direct replacement sensor for original equipment
  • Ensures compliance with vehicle safety standards

Product Overview and Compatibility

The Standard Ignition ALS646 TPMS Sensor is engineered to meet the specifications required by Lexus RX330 and RX350 vehicles. This sensor replaces the factory-installed unit and integrates seamlessly with the vehicle’s onboard monitoring system. By providing accurate tire pressure data, it supports optimal tire performance and helps prevent issues related to improper inflation.

Common Applications and Problem Resolution

  • Replaces faulty or damaged TPMS sensors in Lexus RX330 and RX350
  • Resolves inaccurate or intermittent tire pressure warnings
  • Eliminates false low tire pressure alerts
  • Restores proper communication between tires and vehicle system
  • Supports tire maintenance and safety compliance

Installation Notes and Tips

Installation of the Standard Ignition ALS646 sensor requires proper tools and procedures to ensure correct sensor programming and valve stem installation. It is recommended to have the sensor installed by a qualified technician familiar with Lexus TPMS systems. After installation, sensor relearning or initialization may be necessary to synchronize with the vehicle’s monitoring system.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards. The ALS646 TPMS sensor undergoes rigorous testing to ensure durability and reliable performance. This part typically includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term use.

BrandStandard Ignition
Part NumberALS646
Connector GenderFemale
Connector ShapeRectangular
Harness Length - inches31
Harness Length - mm787"
Mounting LocationWheel
Number of Bolt Holes1
Terminal GenderMale
Terminal TypeBlade

This part fits 11 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2009LexusRX350AWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.
2008LexusRX350AWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.
2007LexusRX350Front LeftExc. Japan Built
2006LexusRX330AWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.
2006LexusRX330FWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.
2005LexusRX330Front LeftBuilt In U.S.; No programming required. Install sensor and follow the OEM factory relearn procedure.
2005LexusRX330AWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.
2005LexusRX330FWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.
2004LexusRX330Front LeftBuilt In U.S.; No programming required. Install sensor and follow the OEM factory relearn procedure.
2004LexusRX330AWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.
2004LexusRX330FWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.

* 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:

084-44222ABS14465313075S86877096272-6902895430E010970-334ABS756ABSA19ARN3264V70720322

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.