GlowShift Transmission Test Port Thread Extender for 1994-2007.5 Dodge Ram 48RE Automatic Transmission Transmission Test Port Thread Extender with 1/8-27 NPT Threads Specifically Designed for the 1994-2007.5 Dodge Ram Cummins 48RE Automatic Transmission Solid 1 Piece Leak Free Design for Easy Installation of Transmission Temperature Gauge Sensor to Test Port Installation Instructions Free Lifetime Technical Support & One Year Limited Warranty