The 1999 - 2003 Mercedes CLK430 CLK55 AMG Convertible Top Roll Bar Valve Block OEM is a genuine OE/OEM part designed specifically for these Mercedes models. This valve block, with the manufacturer part number 1248001678, comes with mounting hardware for easy installation. The bolt-on attachment type ensures a secure fit on the rear of the vehicle. This high-quality Genuine Mercedes part is a reliable and essential component for maintaining the function and appearance of your convertible top.