HomeBrake > SensorsStandard Ignition ALS1284 ABS Wheel Speed Sensor - Rear Left
Part #: ALS1284

Standard Ignition ALS1284 ABS Wheel Speed Sensor - Rear Left

Rear Left
⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$235.83Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lexus, IS300
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable ABS Wheel Speed Sensor for Lexus IS300

The Standard Ignition ALS1284 ABS wheel speed sensor is designed specifically for the Lexus IS300, providing accurate wheel speed data essential for your vehicle's anti-lock braking system. This sensor helps maintain vehicle stability and control by monitoring wheel rotation speed.

  • Compatible with Lexus IS300 models
  • Part number ALS1284 for precise identification
  • Monitors wheel speed for ABS functionality
  • Durable construction for long-term use
  • Direct replacement sensor for OEM fit and performance

Product Details and Compatibility

The Standard Ignition ALS1284 ABS wheel speed sensor is engineered to meet the specifications required by Lexus IS300 vehicles. This sensor plays a critical role in the anti-lock braking system by detecting the rotational speed of the wheels and sending this information to the vehicle’s ABS control module. Accurate sensor data helps prevent wheel lockup during braking, enhancing safety and control. The ALS1284 part number ensures you receive the correct sensor designed for your Lexus IS300, maintaining proper fitment and function.

Common Issues Addressed by the ALS1284 Sensor

  • ABS warning light illumination due to faulty sensor signals
  • Intermittent or inconsistent ABS system operation
  • Reduced braking performance or wheel lockup risk
  • Traction control system malfunctions related to wheel speed data
  • Unstable vehicle handling during braking

Installation Notes and Tips

Installation of the Standard Ignition ALS1284 ABS wheel speed sensor requires basic automotive tools and mechanical knowledge. Ensure the vehicle is securely lifted and the wheel assembly is accessible. Disconnect the battery before beginning to avoid electrical issues. Remove the old sensor carefully to prevent damage to the mounting area or wiring harness. Clean the sensor mounting surface before installing the new sensor to ensure accurate readings. After installation, verify sensor operation by checking for ABS warning lights and performing a test drive.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The ALS1284 ABS wheel speed sensor undergoes rigorous quality control testing to provide consistent operation. This part typically includes a limited warranty covering defects in materials and workmanship, offering peace of mind for your Lexus IS300 maintenance needs.

BrandStandard Ignition
Part NumberALS1284
Connector GenderMale
Connector ShapeRectangular
Harness Length - inches31
Harness Length - mm787"
Mounting LocationSpindle
Number of Bolt Holes1
Terminal GenderFemale
Terminal TypeBlade

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2005LexusIS300Rear Left
2004LexusIS300Rear Left
2003LexusIS300Rear Left
2002LexusIS300Rear Left
2001LexusIS300Rear 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:

084-46872ABS10475317905S87247158472-693989546300608954651010ABS1394ABSE40052ARN3064

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