The GS3 shift actuator is a critical component for ZF AS-Tronic and Meritor Freedomline automated transmissions, controlling gear changes with precision and speed. Designed to handle the demands of heavy-duty commercial vehicles, the GS3 actuator works in sync with the clutch control system to ensure smooth, efficient shifting. Its robust construction and integrated electronics make it a key component in maintaining optimal drivability and fuel economy across a wide range of commercial applications. Weller Truck Parts offers professionally remanufactured GS3 Shift Actuators that exceed OEM standards for quality and reliability. Each unit is carefully disassembled, cleaned, inspected, reassembled, and rigorously tested to ensure peak performance. Weller’s remanufactured GS3 actuators are backed by an industry-leading warranty, and customers benefit from Weller’s expert tech support and responsive customer service. Weller makes it quick and easy to get the right parts and the help needed to keep you on the road. Whether you're replacing a failed actuator or proactively maintaining your fleet, Weller delivers dependable solutions you can trust. Remanufacturing operations performed in Michigan, USA by IPC Certified Technicians. ZF AS-Tronic transmissions are sometimes found in motorcoaches and cranes. Weller Truck Parts can provide service to these motorcoach and crane transmission systems, including programming of GS3 modules to specific applications such as MCI, Newell, Setra, Van Hool, Grove, Linkbelt, and Tandano Faun.