Holset 4030002 Turbo Wastegate Actuator Kit

The Holset 4030002 is a wastegate actuator service kit designed for HX35 frame turbochargers. The kit contains the actuator assembly (part number 3533135), rod arm, hose, and necessary fittings. It is engineered to restore boost control function on Holset HX35 turbochargers commonly found on Cummins 5.9L 6BT and ISB diesel engines. This component regulates turbine inlet pressure by controlling the wastegate valve position via pneumatic pressure. Manufactured by Cummins Turbo Technologies under the Holset brand, this kit ensures OEM fit and function for heavy-duty diesel applications. The actuator operates on standard pneumatic boost pressure signals. Cross-references include Holset 3536315 (CHRA related) and contained actuator 3533135.