Remanufactured Electric Shift Transfer Case

The Zumbrota Drivetrain Remanufactured MP1626 Electric Shift Transfer Case (RTC1626G-5M) is engineered for 2020-2023 Sierra 2500/3500 and Silverado 2500/3500 models equipped with the 6.6L gas engine and a 6-speed transmission, specifically those with option code NQF. This unit includes the necessary shift motor for seamless electric shifting. Built to "unparalleled standards," this transfer case undergoes a rigorous remanufacturing process. Zumbrota Drivetrain's expert craftsmen meticulously inspect cases and internal components for wear, including cracks, stripped threads, shaft straightness, gear wear, and chain stretch. A specialized Hydro-blast rinse and blasting procedure, followed by a proprietary deep cleaning process, ensures cleanliness. All units are fully rebuilt with 100% replacement of seals, bearings, and viscous couplers where applicable. Each finished transfer case is thoroughly spun tested for proper shiftability and noise reduction, and shipped in high-density plastic totes to prevent transit damage. Key specifications include: MP1625/MP1626 model compatibility, electric shift with included motor, 29-spline input shaft, and an 8-bolt oval mounting pattern. It notably does not feature a speed sensor. The unit is also identified by various tag numbers such as 84566340 and 84664324, and Hollander number 412-10225.