Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C4055 found under Cylinder Assembly H by Haldex Brake Products Corporation. The National Stock Number assigned to this part is 2530008594711, and the Federal Supply Class is 2530 Vehicular Brake Steering Axle Wheel And Track Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C4055.