ACDelco 84400587 Automatic Leveling Position Sensor

The ACDelco 84400587 is a front driver side suspension position sensor designed for automatic forward lighting leveling systems. This OE-quality sensor monitors the suspension position and sends data to the vehicle's automatic headlight leveling system, ensuring your headlights maintain proper aim as the vehicle's load and ride height change.

Key Features:

• Direct replacement for GM OEM part number 84400587
• Front driver side (left) mounting position
• Precision sensor technology for accurate suspension position monitoring
• Integrates with automatic forward lighting leveling systems
• OE-quality construction ensures reliable performance and durability
• Restores proper headlight aim functionality

This suspension position sensor is a critical component for vehicles equipped with adaptive headlight leveling systems. When the sensor fails, headlights may not adjust properly based on vehicle load, potentially reducing nighttime visibility and safety. Installing this ACDelco replacement sensor restores the system to proper working order.