AutoMeter 52mm Wideband Air/Fuel Ratio PRO Wideband A/F Kit

2010–2025 Universal Fit for Gasoline and Alternative Fuel Vehicles

Part #: 7178

Overview

The AutoMeter 52mm Wideband Air/Fuel Ratio PRO Wideband A/F Kit is an essential tool for performance enthusiasts, tuners, and DIY mechanics seeking precise air/fuel ratio measurements. Designed to provide accurate, real-time data, this kit helps you optimize your vehicle’s fuel delivery for maximum power, efficiency, and drivability. Whether you're tuning a high-performance build, monitoring fuel mixture during modifications, or ensuring your engine runs safely on alternative fuels, this wideband kit offers the reliability and flexibility you need.

With its advanced features and user-friendly design, the AutoMeter PRO Wideband A/F Kit empowers you to make informed adjustments to your engine management system. Its comprehensive setup includes everything necessary for installation and operation, making it suitable for both professional tuners and passionate enthusiasts who want to take control of their vehicle’s fueling system.

Key Features

The AutoMeter 52mm Wideband A/F Kit combines innovative technology with durable construction to deliver precise and dependable readings. Key features include:

• High-precision Bosch LSU4.2 sensor with custom tuning for optimal accuracy and responsiveness.
• Includes 8 feet of tubing or wiring harness for flexible installation options in various vehicle configurations.
• LED digital display provides clear, easy-to-read real-time air/fuel ratio data, with auto-dimming feature for visibility in different lighting conditions.
• Data output feed (0-4V) allows seamless integration with ECU, data acquisition units, or laptop tuning software for advanced analysis and logging.
• Peak recall and memory functions enable you to monitor and compare AFR values over time, aiding in precise tuning adjustments.
• Selectable AFR ranges from 10:1 to 20:1 for gasoline applications, with adjustable settings for ethanol, methanol, propane, CNG, and other alternative fuels, covering AFR ranges from 6:1 to 18:1.
• User-programmable parameters ensure compatibility with a wide variety of fuel types and engine setups.

Construction & Design

The AutoMeter PRO Wideband A/F Kit features a robust, weather-resistant housing designed to withstand harsh engine bay conditions. The Bosch LSU4.2 sensor is known for its durability and accuracy, providing consistent readings over extended periods. The wiring harness and tubing are crafted from high-quality materials to ensure reliable electrical connections and sensor placement. The digital display is engineered for quick visibility and minimal distraction, with auto-dimming capabilities to adapt to ambient lighting. Overall, the kit’s design emphasizes ease of installation, durability, and precise data delivery, making it a trusted choice for serious tuners and enthusiasts alike.

Installation & Fitment

The AutoMeter 52mm Wideband A/F Kit is designed for straightforward installation, with all necessary components included. The sensor is typically installed in the exhaust stream, with the wiring harness routed to the display and data output connections. No cutting or drilling is required for most applications, and the kit is compatible with a wide range of vehicles and engine setups. Basic electrical knowledge is recommended for wiring connections, but detailed instructions are provided to assist with proper setup. Once installed, the system is ready to deliver accurate AFR data for tuning and monitoring purposes.

• Includes 8 ft. wiring harness or tubing for flexible sensor placement
• Easy plug-and-play installation with comprehensive instructions
• No additional tuning or modifications required for operation

What's Included

• AutoMeter 52mm Wideband Air/Fuel Ratio PRO Wideband A/F Kit
• Bosch LSU4.2 sensor with custom tuning
• Wiring harness or tubing (8 ft.)
• Digital LED display with auto-dimming feature
• Data output cable (0-4V)
• Mounting hardware and installation instructions

Ideal For

• Performance tuners and enthusiasts seeking precise AFR data
• Engine builders and mechanics performing custom tuning
• Owners of modified vehicles running on gasoline or alternative fuels
• DIY tuners looking for a reliable, easy-to-install wideband system