This Wabco solenoid with cross part numbers 1448079, 1343254, 4728800010 and 4728800020 is designed for MAN TGA, TGS and TGX trucks. It acts as a key control part of the starter system to regulate pneumatic airflow reliably. Made with premium raw materials and precise manufacturing, it features stable sensitivity, strong durability and anti-corrosion ability. Fully conforming to OEM standards, it is an ideal replacement for faulty original solenoid parts.