AutoMeter Cobalt Digital Wideband Air/Fuel Ratio PRO Wideband A/F Kit

2010–2025 Universal / Automotive Wideband Air/Fuel Ratio Monitoring System

Part #: 6178

Overview

The AutoMeter Cobalt Digital Wideband Air/Fuel Ratio PRO Wideband A/F Kit is a high-precision, digital wideband oxygen sensor system designed for automotive enthusiasts, tuners, and professional mechanics who demand accurate and real-time air/fuel ratio monitoring. Whether you're fine-tuning your vehicle's performance, monitoring emissions, or optimizing fuel economy, this kit provides the critical data you need with ease and reliability.

Built for both street and track use, the PRO Wideband A/F Kit offers a comprehensive solution for measuring and displaying your vehicle’s air/fuel ratio with exceptional clarity. Its advanced digital display and programmable features make it an ideal choice for those seeking precise tuning capabilities and real-time feedback during engine modifications or diagnostics.

Key Features

The AutoMeter Cobalt Digital Wideband A/F Kit combines cutting-edge technology with user-friendly features to deliver accurate and dependable readings. Key features include:

• High-precision Bosch LSU4.2 sensor with custom tuning for optimal performance and longevity.
• Digital LED display with auto-dimming functionality ensures clear visibility in various lighting conditions, reducing glare during night driving or tuning sessions.
• Size: 2 1/16" (52.4mm) diameter, designed for easy installation in a variety of vehicle dashboards or panels.
• Range: Supports AFR or Lambda readings, with a programmable user range from 10:1 to 20:1 AFR, suitable for gasoline applications and other fuels.
• Includes 8 feet of tubing or wiring harness, providing flexible installation options and ample reach for most vehicle setups.
• 0-4V data output feed compatible with ECUs, data acquisition units, or laptop tuning software for seamless integration and data logging.
• Peak recall/memory function allows you to review maximum AFR readings during a session, aiding in precise tuning adjustments.
• Auto-dimming gauge brightness feature reduces eye strain and enhances visibility during both day and night operation.
• User-programmable range ensures compatibility with a variety of fuel types and tuning preferences.

Construction & Design

The AutoMeter Cobalt Wideband A/F Kit features a robust and durable construction designed to withstand the harsh conditions of engine bays and tuning environments. The sensor housing is made from high-quality materials that resist heat and corrosion, ensuring long-term reliability. The digital display is housed in a sleek, compact casing with an intuitive interface, making it easy to read and operate during dynamic driving or tuning sessions.

The wiring harness is designed for straightforward installation, with clearly labeled connections and flexible routing options. The inclusion of an auto-dimming feature enhances usability across different lighting conditions, providing clear readings without glare or distraction. Overall, the kit combines precision engineering with user-centric design to deliver a reliable and professional-grade wideband monitoring solution.

Installation & Fitment

The AutoMeter Cobalt Digital Wideband A/F Kit is designed for straightforward, bolt-on installation. The included wiring harness and tubing allow for flexible placement of the sensor and display in your vehicle. No cutting, drilling, or complex modifications are typically required, making it suitable for both professional tuners and DIY enthusiasts. Basic electrical connections and sensor placement in the exhaust stream are all that's needed to get accurate readings. For optimal results, following the included installation instructions is recommended.

• Plug-and-play wiring harness for easy integration with existing systems.
• Sensor installation in the exhaust pipe or manifold, with appropriate sealing and placement for accurate readings.
• Display mounting in a visible location within the driver’s line of sight.

What's Included

• Digital wideband air/fuel ratio gauge with LED display
• Bosch LSU4.2 sensor with protective housing
• Wiring harness with 8 ft. of cable
• Exhaust probe and mounting hardware
• Installation instructions and user manual

Ideal For

• Performance enthusiasts tuning their vehicles for maximum power and efficiency
• Professional tuners and mechanics performing engine diagnostics
• Car builders and customizers seeking precise AFR monitoring
• Anyone looking to improve fuel economy and emissions compliance