ACDelco 23126641 Front Driver Side Headlamp Leveling Position Sensor

The ACDelco 23126641 is a front driver side headlamp leveling position sensor designed to monitor and adjust the angle of your vehicle's headlights based on load and driving conditions. This OE-quality sensor helps maintain proper headlight beam alignment for optimal visibility and safety.

Key Features:

• Direct replacement for GM OE part number 23126641
• Monitors vehicle ride height to adjust headlamp aim automatically
• Front driver side (left) mounting position
• Ensures proper headlight beam pattern and prevents blinding oncoming drivers
• Designed to meet or exceed OEM specifications for reliable performance

This headlamp leveling sensor is engineered to restore proper automatic headlight leveling system function. When the sensor detects changes in vehicle pitch due to cargo weight or road conditions, it signals the headlamp leveling system to adjust beam angle accordingly, ensuring consistent illumination of the road ahead.