The Auto Meter 2-1/16" Phantom II Fuel Rail Pressure Gauge 0-30K PSI gives you the critical info you need to monitor your high-pressure fuel system, helping you keep your diesel running strong.

Whether you're tuning for more power or just keeping an eye on fuel system health, this gauge delivers accurate, real-time readings with a precision electric stepper motor movement for smooth performance. Featuring crisp white LED lighting, it’s easy to read in any conditions. It comes with a wiring harness for simple installation and works with 12 and 16-volt electrical systems to fit most setups.

While either gauge is truly universal, Auto Meter has some general fitment guidelines (with a cut-off year of typically 2007-2008) for a successful install of the gauges, choose the right gauge for your rig:

No matter what you drive, Auto Meter’s Phantom II Fuel Rail Pressure Gauge gives you the precision and reliability you need to keep your diesel at peak performance.