ACDelco 84138915 ABS Wheel Speed Sensor Reluctor Ring Retainer

The ACDelco 84138915 is a genuine GM Original Equipment ABS wheel speed sensor reluctor ring retainer designed for vehicles equipped with dual rear wheels. This precision-engineered component secures the reluctor ring (also known as a tone ring or ABS ring) to the wheel hub assembly, ensuring proper positioning for accurate wheel speed sensor readings.

Key Features:

• Genuine ACDelco GM Original Equipment part designed to OEM specifications
• Engineered specifically for dual rear wheel applications
• Ensures proper reluctor ring retention and positioning
• Designed, tested, and validated to rigorous GM standards
• Direct replacement for GM part number 84138915
• Fits both left and right side positions

This retainer plays a critical role in maintaining the integrity of your vehicle's anti-lock braking system (ABS) by keeping the reluctor ring securely in place. Proper reluctor ring positioning is essential for the wheel speed sensor to accurately detect wheel rotation, which allows the ABS system to function correctly and prevent wheel lockup during emergency braking situations.