This brand new trailer control assembly matches OEM part numbers 81523016213 and 81523016212, compatible with MAN TGA, TGS, TGX trucks. It functions as an essential part of the trailer control system, delivering stable and sensitive braking adjustment effect. The assembly is built with high-strength industrial raw materials. It features reliable pressure tolerance and excellent airtight performance for prolonged service application. The product is fabricated strictly in accordance with standard OEM specifications. It allows convenient direct installation without extra procedures, ideal for daily system maintenance and defective parts replacement.