AutoMeter Cobalt 52mm 0-30,000 PSI F/S Electronic Diesel Fuel Rail Pressure Gauge

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

Part #: 6193

Overview

The AutoMeter Cobalt 52mm 0-30,000 PSI F/S Electronic Diesel Fuel Rail Pressure Gauge is an essential instrument for diesel enthusiasts and professional tuners alike. Designed specifically for modern direct-injected diesel engines, such as the Cummins 6.7L, this gauge provides precise, real-time monitoring of your engine’s fuel rail pressure. Whether you're pushing your truck on the street, at the track, or off-road, maintaining optimal fuel pressure is critical for performance, reliability, and engine longevity.

This high-precision gauge allows you to keep a close eye on your fuel system, helping you diagnose issues early and ensure your engine runs at peak efficiency. Its professional-grade reliability and smooth pointer movement make it a trusted choice for serious diesel owners who demand accuracy and durability from their instrumentation.

Key Features

AutoMeter’s Cobalt series is renowned for its sleek design and advanced technology, and this fuel rail pressure gauge is no exception. Crafted with a durable, high-quality construction, it is built to withstand the rigors of demanding diesel applications. The gauge features a 52mm (2-1/16 inch) diameter face with a cobalt blue background and white numerals for excellent visibility in all lighting conditions.

• Ultra-High Pressure Range: Measures from 0 to 30,000 PSI, suitable for modern diesel fuel systems that operate at elevated pressures.
• Digital Stepper Motor Drive: Ensures smooth, accurate pointer movement and precise readings, providing a professional-grade experience.
• Direct Connection: Connects directly to your factory sensor using the included wiring harness, simplifying installation and ensuring compatibility.
• Electrical Compatibility: Operates seamlessly with 12V and 16V electrical systems, making it suitable for nearly all street and race vehicles.
• Robust Design: Features a durable, impact-resistant housing designed to withstand harsh engine bay conditions.
• Clear Visibility: Bright, easy-to-read digital display with smooth pointer movement for quick and accurate readings.
• Versatile Application: Ideal for monitoring fuel pressure in diesel engines, especially in high-performance or modified setups.

Construction & Design

The AutoMeter Cobalt fuel rail pressure gauge boasts a high-quality, CNC-machined aluminum housing with a cobalt blue finish that resists corrosion and adds a sleek aesthetic to your dashboard or pillar pod. The 52mm diameter face ensures visibility and compatibility with standard gauge mounts. Its advanced digital stepper motor drive provides precise, steady readings, eliminating jitter and ensuring you can trust the data during critical tuning or troubleshooting sessions.

The included wiring harness simplifies installation by allowing direct connection to your factory sensor, reducing the need for additional adapters or complex wiring. The gauge is engineered to withstand the vibrations, heat, and electrical noise typical of diesel engine environments, ensuring long-lasting performance and reliability.

Performance & Sound

While primarily a monitoring instrument, this gauge provides instant, accurate feedback on your fuel system’s pressure, enabling you to optimize engine performance and prevent issues such as fuel starvation or over-pressurization. Its precise readings help support consistent power output and engine longevity, especially in high-demand applications.

Installation & Fitment

The AutoMeter Cobalt 52mm fuel rail pressure gauge is designed for a straightforward, bolt-on installation. It connects directly to your factory fuel rail sensor using the included wiring harness, requiring minimal modification. No cutting, drilling, or tuning is necessary for proper operation. For best results, professional installation is recommended to ensure correct wiring and calibration.

• Requires a 52mm gauge pod or mounting solution for installation.
• Connects directly to factory sensor with included wiring harness.
• No additional tuning or calibration required.

What's Included

• AutoMeter Cobalt 52mm Fuel Rail Pressure Gauge
• Wiring harness for direct connection to factory sensor
• Installation instructions

Ideal For

• Diesel truck owners seeking precise fuel pressure monitoring
• Performance enthusiasts tuning their Cummins 6.7L engines
• Off-roaders and racers requiring reliable, high-pressure gauges
• Professionals diagnosing fuel system issues

Emissions Note

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