OEM and OE-replacement shift knobs and range valves provide reliable control for heavy-duty manual transmissions. These components are designed to restore precise gear selection, proper air-actuated range shifts, and consistent shifter feel in Eaton, Fuller, and similar commercial gearbox systems. Each part is built to original specifications for accurate fitment, dependable operation, and long service life—ideal for routine maintenance, drivetrain repairs, and professional transmission service work.
