Dorman 917-549 ABS Wheel Speed Sensor Tone Ring - Front Left or Front Right

ABS Tone Ring Replacement for OE Fit

Dorman 917-549 is an ABS wheel speed sensor tone ring made from steel for a direct replacement on select vehicles. It restores the toothed trigger surface used by the wheel speed sensor to read wheel rotation, helping maintain accurate ABS signal output on the affected Nissan Quest and Mercury Villager applications.

Key Features

• Steel construction for durable service in brake and hub environments
• 50-tooth design for proper wheel speed sensor signal generation
• Inside diameter: 3.39 in; outside diameter: 3.79 in
• Width: 0.31 in for OE-style fitment
• Direct replacement for select front left and front right applications
• Part number 917-549 for easy catalog matching

Detailed Description

This ABS wheel speed sensor tone ring is built to replace the original equipment ring on select 1993-1998 Nissan Quest and 1993-1998 Mercury Villager models. The toothed steel ring provides the reference pattern the ABS sensor uses to monitor wheel speed, making it a practical repair choice when the original ring is worn, cracked, or no longer reading correctly. Dorman 917-549 is a fitment-based solution for front left and front right positions on the listed vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• ABS warning light caused by a damaged tone ring
• Erratic wheel speed sensor readings
• Loss of ABS signal at the front wheel
• Cracked, rusted, or missing OE tone ring teeth
• Brake system fault codes related to wheel speed input

Installation Notes and Tips

Verify the vehicle position before installation: Fits 1993-1998 Nissan Quest, front left or front right, and Fits 1993-1998 Mercury Villager, front left or front right. Confirm the ring dimensions and tooth count match the original part before service. Inspect the wheel speed sensor, hub area, and surrounding brake components for wear or contamination during replacement. Part number 917-549 is intended for direct OE-style replacement on the listed applications.

Quality Assurance

Dorman manufactures replacement parts engineered to directly replace original equipment components on specific vehicle applications. This tone ring is specified with steel construction and OE-matching dimensions for the listed fitment.