Haldex Height Control Valve 612036051 is a precision-engineered German component designed for heavy-duty truck and trailer suspension systems. This leveling valve features a durable PA 6.6 GF 25 reinforced plastic housing with integrated mounting ports and a mechanical linkage arm. It serves as a critical part of the air suspension system, automatically maintaining the correct ride height by controlling air flow to the bellows. The unit includes high-quality metal fittings and hose clamps for secure installation. Measurements: • Weight: 1lb 13.0oz