This 1703025-T15H0 gear shift control lever is the cab gear shifting operating assembly for Dongfeng heavy trucks. It is installed inside the cab, transmits the driver’s shift operation to the gearbox, realizes gear selection and gear shifting. The metal bracket and lever body adopt precision welding and machining; the built-in rubber dust-proof and shock-absorbing bushing reduces operating vibration, prevents dust and water from entering. Strict assembly and function test before delivery to ensure smooth shifting without jamming. It is an essential replacement spare part for cab transmission control system maintenance.