NTK AB1666 ABS Wheel Speed Sensor - Front Left

ABS Wheel Speed Sensor Overview

NTK AB1666 is an ABS wheel speed sensor built for direct replacement applications that require OE-level signal accuracy and connector compatibility. It is engineered with a rectangular female connector, blade terminals, and a 39.13-inch wiring harness for a clean service replacement.

Compatible With 2001-2003 Toyota Highlander, front left, and 2007-2008 Lexus RX350, front left. This NTK ABS Wheel Speed Sensor is part of the brand’s technical sensor line, backed by OE experience and testing that includes thermal shock, vibration, and OBD verification.

Key Features

• NTK AB1666 ABS wheel speed sensor for brake system signal input
• 39.13-inch wiring harness for routing flexibility
• Grey rectangular connector with female housing
• Blade terminals with 2-terminal configuration
• Built to meet or exceed OE specifications

Detailed Product Description

NTK AB1666 is designed for vehicles that rely on accurate wheel speed data for ABS operation and related brake control functions. The sensor uses a rectangular connector, grey housing, and blade-style terminals to match the electrical interface expected in the application. As part of NTK’s ABS Wheel Speed Sensor line, AB1666 reflects the brand’s focus on technical sensors developed from OE experience and validated through demanding test procedures.

This part cross-references Holstein 2ABS0238 and Standard Ignition ALS739 for the same application. For Toyota Highlander and Lexus RX350 service work, AB1666 provides a fitment-specific replacement option that supports proper sensor communication and consistent brake system input.

What It Is Used For

• Restoring ABS wheel speed signal output
• Replacing a damaged or corroded sensor connector
• Addressing ABS warning light concerns tied to wheel speed input
• Correcting intermittent brake control data caused by sensor wear
• Replacing a sensor with harness or terminal damage

Installation Notes and Tips

Verify connector shape, terminal style, and harness length before installation. Confirm the vehicle application and position match the listed fitment for Toyota Highlander and Lexus RX350. Inspect the mounting area and electrical connection points for corrosion, debris, or damage before installing the new sensor.

Quality Assurance

NTK states that its technical sensors are tested under thermal shock, vibration, and OBD verification conditions and are manufactured to meet or exceed OE specifications. The brand also draws on more than 80 years of automotive experience and OE supplier background in sensor development.