HPYP DC08 Panel Gauge Gem Gm Instrument Cluster Gauge/Speedometer Repair KIT Rebuild X27 168-4x27.168 Stepper Motor+ 5 white T5 Bulbs+Soldering Iron+Soldering Wire Etc New generation steppers perfectly replace for the older and faulty XC5-168, X15-168 ,X25-168 and X27-168 stepper motors that came in millions of GM vehicles produced in 2003-2006 and many more listed below hese stepper motors are the original manufacturer equipment, the latest version, upgraded and improved. Part Number: x27 168, 25 168, xc5 168, x15 168, gauge repair,To repair speedometer, tachometer, fuel, temp, oil or any other gauges. You can save lots of money.Dealerships are charging between $300 and $500 to do this repair. he only manufacturer trusted/used in new car production by Ford and GM, and also used exclusively by all authorized Delphi repair facilities.