AutoMeter Ultra-Lite II 2 1/16in Air/Fuel Ratio-Narrowband Lean-Rich LED Array Gauge

2010–2025 Vehicles with Factory Narrowband O2 Sensors

Part #: 4975

Overview

The AutoMeter Ultra-Lite II 2 1/16-inch Air/Fuel Ratio Gauge is an essential tool for enthusiasts who want to monitor their vehicle's air-fuel mixture in real-time. Designed for spirited drivers and performance enthusiasts, this gauge provides accurate, immediate feedback on your engine's combustion efficiency, helping you optimize performance and protect your engine from damage caused by running too lean or too rich.

Whether you're tuning your vehicle for better fuel economy, increased power, or simply want to keep an eye on your engine's health during aggressive driving, this gauge offers a reliable and straightforward solution. Its compact size and sleek design make it a perfect addition to any dashboard or pillar pod, providing clear visibility without cluttering your interior.

Key Features

The AutoMeter Ultra-Lite II Air/Fuel Ratio Gauge is packed with features that make monitoring your engine's air-fuel mixture both easy and precise:

• Compatible with factory narrowband O2 sensors (0-1V), allowing direct connection to many vehicle applications without additional sensors or adapters.
• Features a bright LED radial bar graph display that provides a quick visual indication of your air-fuel ratio, with color-coded zones for lean and rich conditions.
• Designed with a compact 2 1/16-inch diameter housing, perfect for tight spaces and custom installations.
• Built with durable materials and a lightweight design, ensuring long-lasting performance even under demanding driving conditions.
• Easy to install with straightforward wiring, making it suitable for both novice and experienced installers.
• Includes a high-precision sensor interface, ensuring accurate readings that help you fine-tune your vehicle's performance.
• Ideal for use in street, spirited driving, and tuning applications where real-time AFR monitoring is critical.
• Features a rugged, weather-resistant construction suitable for various mounting locations.
• Provides a visual alert system that helps you quickly identify when your engine is running too lean or too rich, preventing potential damage.

Construction & Design

The AutoMeter Ultra-Lite II gauge features a robust, lightweight aluminum housing with a sleek black finish that complements any interior. Its compact size ensures it fits seamlessly into tight spaces, while the clear, easy-to-read LED radial bar graph offers instant feedback at a glance. The gauge's internal components are engineered for durability and precision, with high-quality circuitry that maintains accuracy over time. The wiring harness is designed for simple, secure connections, reducing installation time and ensuring reliable operation. Overall, the design emphasizes reliability, ease of use, and a clean aesthetic that enhances your vehicle's interior.

Performance & Sound

This gauge provides real-time, accurate readings of your vehicle's air-fuel ratio, helping you maintain optimal combustion conditions. While it does not produce sound, its visual LED display offers immediate feedback, allowing you to make quick adjustments during tuning or spirited driving. Proper AFR monitoring can support increased horsepower and torque by ensuring your engine runs within safe and efficient parameters, especially under heavy loads or high RPM conditions.

Installation & Fitment

The AutoMeter Ultra-Lite II Air/Fuel Ratio Gauge is designed for easy bolt-on installation. It connects directly to your vehicle's factory narrowband O2 sensor, eliminating the need for additional sensors or complex wiring. The gauge can be mounted in various locations, including the dashboard, A-pillar, or custom panels, thanks to its compact size. No cutting, drilling, or tuning is required for most applications, making it a straightforward upgrade for performance-minded drivers.

• Connects directly to factory narrowband O2 sensors (0-1V)
• Requires minimal wiring and no additional sensors
• Suitable for a wide range of vehicles with factory narrowband sensors

What's Included

• AutoMeter Ultra-Lite II 2 1/16-inch Air/Fuel Ratio Gauge
• Wiring harness and sensor interface
• Mounting hardware and instructions

Ideal For

• Performance enthusiasts tuning their vehicles for maximum power and efficiency
• Street drivers seeking real-time AFR monitoring
• Engine builders and tuners aiming for precise combustion control
• Anyone looking to prevent engine damage caused by running too lean or too rich

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.