We stock Brand New New Venture NV273D Transfer Cases for your 2003-2012 Ram Heavy-Duty Ram 4x4. These are USA Made, BRAND NEW cases, not remans, built with all the latest updates at Magna Powertrain's New Venture Legacy Transfer Case Plant near Muncie Indiana. Complete and factory filled with oil, your new case will usually ship within 1 business day! One year manufacturer warranty on these are brand new assemblies and best of all, NO core return required! No matter if you have a 2003 gas engine Ram 2500 with 23 spline input/slip yoke rear output or a 2012 Ram 5500 Diesel with 29 spline input/fixed rear output we probably have the case you need in stock and ready to ship.