Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U3TT4G found under Valve Relay Air Pressure by Haldex Brake Products Corporation. The National Stock Number assigned to this part is 2530011379236, 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 U3TT4G.