AutoMeter 8586 Dodge RAM Factory Match 2-1/16 inch 0-30K PSI RAIL Pressure | 2003-2009 RAM 2500/3500 5.9L Cummins

Features:

• Fits RAM 2500 and 3500 5.9L Cummins
• Reads up to 30,000 PSI rail pressure
• 2-1/16 inch full sweep gauge design
• Factory match styling for OEM appearance
• Precision stepper motor for accurate movement
• Connects to OE fuel rail pressure sensor
• No separate sender or adapter required
• Includes 10.5 ft wiring harness for install
• Compatible with 2003–2009 Dodge Cummins
• Also works with Duramax and Powerstroke
• Ideal for tuned or performance diesel setups

Keep Tabs On Your Pressure Without Sacrificing Style

If you’ve built your 5.9L Cummins for more than just daily duty, there’s no question that monitoring your fuel system is key, and AutoMeter makes it easy to do that without butchering your interior. The AutoMeter 8586 Factory Match Rail Pressure Gauge blends right in with the factory cluster of your RAM 2500 or 3500, offering a clean OEM-style look that still gives you the performance insight you need. This 2-1/16 inch gauge is more than just good looks, it reads up to 30,000 PSI and delivers real-time fuel rail pressure with pinpoint accuracy. Whether you're tuned for more power, towing often, or chasing reliability, being able to watch fuel pressure is one of the smartest upgrades you can make. The full sweep face is easy to read at a glance, and the included 10.5-foot wiring harness keeps install clean and hassle-free. Plus, it connects directly to the factory fuel rail pressure sensor, with no clunky adapters or extra senders required. If you're looking for an easy win for both performance and peace of mind, this gauge checks all the boxes.

Advanced Stepper Motor Control For Precision Monitoring

The AutoMeter 8586 Rail Pressure Gauge uses a precision stepper motor movement to deliver full-sweep, ultra-responsive needle action for accurate pressure tracking from 0 to 30,000 PSI. This advanced motor technology ensures consistent feedback even during rapid changes in engine load or throttle input. Designed specifically for 2003 to 2009 RAM 5.9L Cummins applications, it integrates directly with the factory fuel rail pressure sensor wiring, eliminating the need for aftermarket sensors or secondary electrical interfaces. The included 10.5-foot wiring harness gives you the flexibility to run clean, secure connections through the cabin, whether you're mounting it on a pillar pod or a custom dash location. This gauge is also compatible with select Duramax and Powerstroke diesel models, making it a smart investment for multi-platform diesel owners or performance shops. It’s an excellent tool for diagnostics and data tracking, particularly when tuning for higher power output or monitoring potential injector issues. With its factory-matched styling and serious functionality, it’s a must-have for diesel builds that demand more insight under pressure.

Fits: 2003, 2004, 2005, 2006, 2007, 2008, 2009 RAM 2500/3500 5.9L Cummins

Notes:

• Designed to match the factory gauge styling in RAM 2500 and 3500 trucks.
• Compatible with 2003 to 2009 Dodge 5.9L Cummins applications.
• Reads up to 30,000 PSI for precise rail pressure monitoring.
• Connects directly to the factory fuel rail pressure sensor wiring.
• No additional sending unit or sensor is required for installation.
• Includes a 10.5-foot wiring harness for flexible and clean routing.
• Ideal for tuned, towing, or performance diesel applications.
• Also compatible with 2002 and newer Duramax, and 2008 to 2010 Powerstroke diesels.
• Professional installation is recommended for best performance and reliability.
• Uses stepper motor technology for accurate and stable needle movement.