Material: Plastic, Metal Design: GRP (Glass Fiber Reinforced Plastic) housing Compatibility: Direct replacement for vehicles equipped with headlight leveling systems Specifications: Meets standard industry requirements for linearity, resolution, and repeatability Installation: Includes holder, coupling rod, and holding frame for straightforward installation Connector Type: Secure 4-pin electrical connector This front headlight level is designed to maintain proper headlight alignment in compatible A3 models from 2003 to 2015.The GRP housing provides and lightweight performance for long-term use.Its design supports consistent headlight positioning under various driving conditions.Installation requires no modifications and uses factory-matched mounting points.