Standard Ignition ALS646 Tire Pressure Monitoring System Sensor - Front Left
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Standard Ignition

Standard Ignition ALS646 Tire Pressure Monitoring System Sensor - Front Left

Brand Standard Ignition ALS646
Position Front Left
Connector Gender Female
Connector Shape Rectangular
Harness Length - inches 31
Harness Length - mm 787"
Mounting Location Wheel
Number of Bolt Holes 1
Terminal Gender Male
Terminal Type Blade
Fits Lexus · 11 vehicles

Bolt mount design. Installs securely with a three-bolt mounting pattern.

Wheel-mounted sensor. Monitors tire pressure from the wheel for accurate readings.

Blade terminals. Uses a rectangular connector with male blade terminals.

Cross-references Beck/Arnley 084-4422, Dayco 70962 and Dorman - OE Solutions 970-334 for the same application. See all 13.

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Standard Ignition ALS646 TPMS Sensor

The Standard Ignition ALS646 is a wheel-mounted tire pressure monitoring system sensor for select Lexus RX applications. It uses a bolt-mount design with a rectangular female connector and blade terminals for a direct-fit replacement on the front left position.

Key Features

  • Wheel-mounted TPMS sensor for monitored tire pressure readings
  • Bolt-mount design with 3 bolt holes
  • Rectangular connector with 1 connector and 2 terminals
  • 31-inch harness length for the specified application
  • Front left fitment for select Lexus RX330 and Lexus RX350 models
  • Standard Ignition ALS646 replacement part number for service matching

Fitment Details

Compatible with 2004-2006 Lexus RX330, front left, manufactured in the United States for ABS wheel speed sensor applications. Compatible with 2007 Lexus RX350, front left, except Japan-built models. Compatible with 2008-2009 Lexus RX350, front left, manufactured in the United States for ABS wheel speed sensor applications. The Standard Ignition ALS646 is also referenced by cross-number applications such as Dorman OE Solutions 970-334.

What This Sensor Helps Address

  • TPMS warning light triggered by a failed wheel sensor
  • Loss of tire pressure signal from the front left wheel position
  • Intermittent or inaccurate pressure monitoring data
  • Replacement needs after sensor damage during tire service
  • Service issues on Lexus RX330 and Lexus RX350 front left applications

Installation Notes

Install at the wheel position specified for the vehicle application and follow the OEM factory relearn procedure where required. For 2004-2005 Lexus RX330 built in the U.S., no programming is required after installation. Verify connector style, mounting type, and harness routing before installation to confirm proper fitment for the ALS646.

Quality Assurance

Standard Ignition supplies service parts built to match the listed OE-style application details for the Lexus RX330 and Lexus RX350 front left fitments. Confirm vehicle build origin and position before ordering to ensure the correct replacement sensor.

Related reading

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2009LexusRX350AWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.
2008LexusRX350AWDFront LeftManufactured in the United States for ABS Wheel Speed Sensor.
2007LexusRX350—Front 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.
2005LexusRX330—Front 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.
2004LexusRX330—Front 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.
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 084-4422Dayco — 70962Dorman - OE Solutions — 970-334HOLSTEIN — 2ABS1446Standard Ignition — ALS646VEMO — V70-72-03225S868772-6902531307895430E010ABS756ARN3264SU10149