Autometer Phantom 52mm Full Sweep Electronic 0-30,000 PSI Diesel Fuel Rail Pressure GaugeUltra high pressures in modern direct injected diesel applications require precise monitoring to assure the longevity and power output of your engine. Using AutoMeter? s advanced Digital Stepper Motor Drive, this gauge provide the most accurate possible reading, professional grade reliability and smooth pointer movement. Connects directly to your factory sensor with an included wiring harness. This Part Fits: Year Make Model Submodel 2001 2005