Description

Turbo Actuator 4034114H For Volvo MD13, Mack MP8 EPA07, and Mack MP7 EPA10 This 12V turbocharger actuator is engineered for modern heavy-duty diesel engines, including Cummins , Volvo MD13 , Mack MP8 EPA07 , and Mack MP7 EPA10 platforms. It precisely controls the turbo vane or wastegate position, ensuring accurate boost management and optimal engine performance. Built to OEM specifications, the actuator features a sealed electronic housing, high-precision drive motor, and integrated position sensor for real-time feedback to the ECM. The cooling water hole design improves heat dissipation, enhancing reliability in high-load and long-haul applications. Designed as a direct-fit replacement for part numbers 3789659 , 3789662 , and 4034114H , it installs without modification and restores proper turbo response, fuel efficiency, and emission compliance. Ideal for fleet maintenance, engine rebuilds, and turbo system repairs where precision and durability are critical. Product Features & Components 12V electronic turbo actuator assembly Integrated position sensor and drive motor Sealed, heat-resistant electronic housing Cooling water hole design for heat management OEM-calibrated movement range High-precision control for VGT systems Direct bolt-on replacement Designed for heavy-duty environments Engine Compatibility Cummins diesel engines (13.0L platforms using listed part numbers) Volvo MD13 Mack MP8 (EPA07) Mack MP7 (EPA10) Vehicle / Equipment Applications Volvo heavy-duty trucks Mack highway and vocational trucks Commercial fleet vehicles Long-haul and regional haul trucks (Exact models depend on engine configuration using the listed actuator numbers.) Key Features & Benefits Restores accurate turbo vane control Improves throttle response and boost stability Enhances fuel efficiency Supports emission-compliant operation Reduces turbo lag Withstands high-temperature environments OEM-level reliability Direct-fit installation OEM / Reference Part Numbers 3789659 3789662 4034114H Frequently Asked Questions What is the function of a turbocharger actuator? A turbocharger actuator controls the turbo vane or wastegate position to regulate boost pressure and engine performance. Which part numbers does this actuator replace? This actuator replaces 3789659, 3789662, and 4034114H. What engines is this 12V actuator compatible with? It is compatible with Cummins engines, Volvo MD13, Mack MP8 EPA ’07, and Mack MP7 EPA ’10 engines. What are cooling water holes used for? Cooling water holes help dissipate heat from the actuator, improving reliability in high-temperature and heavy-load operation. Is this a direct replacement part? Yes, it is a direct-fit replacement and installs without modification. Is professional installation recommended? Professional installation is recommended to ensure proper calibration and long-term performance.