AutoMeter Factory Match Diesel Fuel Rail Pressure Gauge

2011–2025 Dodge Ram 2500/3500 6.7L Cummins Diesel

Part #: 8593

Overview

The AutoMeter Factory Match Diesel Fuel Rail Pressure Gauge is a high-precision instrument designed specifically for modern direct-injected diesel engines. Whether you're a performance enthusiast, a professional mechanic, or a dedicated off-road driver, maintaining optimal fuel rail pressure is crucial for engine longevity and maximum power output. This gauge provides real-time, accurate readings of your fuel rail pressure, helping you monitor and optimize your engine's performance under various driving conditions.

Built with advanced digital stepper motor drive technology, this gauge offers smooth, precise pointer movement and professional-grade reliability. Its compatibility with nearly all street and race electrical systems ensures seamless integration into your vehicle's existing setup. With easy installation and a factory-match appearance, it’s an ideal addition for those seeking to enhance their diesel engine's monitoring capabilities without sacrificing style or functionality.

Key Features

The AutoMeter Factory Match Diesel Fuel Rail Pressure Gauge is packed with features that deliver both accuracy and durability:

• High-precision digital stepper motor drive ensures smooth, accurate needle movement for reliable readings during all driving conditions.
• Designed to connect directly to your factory sensor using the included wiring harness, simplifying installation and ensuring compatibility with your vehicle's electrical system.
• Ultra-high pressure range of 0–30,000 PSI makes it suitable for modern diesel applications, especially high-performance Cummins 6.7L engines.
• Factory match styling with a 52.4mm (2-1/16") diameter face, ensuring a seamless look in your vehicle’s dashboard or gauge pod.
• Compatible with 12V and 16V electrical systems, making it suitable for a wide range of vehicles and setups.
• Professional-grade reliability with a robust construction designed to withstand harsh engine bay conditions.
• Clear, easy-to-read digital display provides quick reference during spirited driving or tuning sessions.
• Includes all necessary wiring and mounting hardware for straightforward installation.

Construction & Design

The AutoMeter Factory Match Diesel Fuel Rail Pressure Gauge features a durable, high-quality construction designed to withstand the demanding environment of modern diesel engines. Its 52.4mm (2-1/16") face is crafted with precision, ensuring accurate readings and a clean, professional appearance. The gauge housing is built from rugged materials that resist vibration, heat, and moisture, providing long-lasting performance in the engine bay.

The advanced digital stepper motor drive technology ensures that the needle moves smoothly and accurately, reflecting real-time pressure changes without jitter or lag. The wiring harness is designed for easy plug-and-play installation, connecting directly to your factory sensor for a clean, reliable signal. The gauge's compatibility with both 12V and 16V systems makes it versatile for various diesel applications, from stock to heavily modified setups.

Performance & Sound

While this gauge primarily focuses on providing precise, real-time pressure readings, its high-quality construction ensures consistent performance and durability. It helps you keep a close eye on your fuel rail pressure, which is vital for maintaining optimal combustion, preventing fuel system issues, and supporting increased power output. The smooth needle movement and clear digital display make it easy to monitor pressure levels at a glance, whether during daily driving, towing, or high-performance tuning.

Installation & Fitment

The AutoMeter Factory Match Diesel Fuel Rail Pressure Gauge is designed for straightforward, bolt-on installation. It connects directly to your vehicle's factory sensor using the included wiring harness, eliminating the need for complex modifications. No cutting, drilling, or tuning is required, making it suitable for both novice and experienced installers. The gauge fits standard 52.4mm (2-1/16") gauge pods or mounting locations, ensuring a seamless integration into your dashboard or pillar pod.

• Plug-and-play wiring harness for easy installation
• No cutting, drilling, or tuning required
• Seamless factory match appearance

What's Included

• AutoMeter Factory Match Diesel Fuel Rail Pressure Gauge (52.4mm)
• Wiring harness for direct connection to factory sensor
• Mounting hardware and instructions

Ideal For

• Diesel truck owners with modern direct-injected engines
• Performance enthusiasts tuning their Cummins 6.7L engines
• Off-road drivers seeking reliable engine monitoring
• Professional mechanics performing diagnostics and maintenance

Emissions Note

This product is designed for off-road or racing use only and may not be legal for street use in all regions. Please check local regulations before installation.