AutoMeter Ultra-Lite 52mm Electronic Air Fuel Gauge

Compatible with 2011–2025 vehicles equipped with factory narrowband O2 sensors

Part #: 4375

Overview

The AutoMeter Ultra-Lite 52mm Electronic Air Fuel Gauge is an essential tool for enthusiasts who want to monitor their vehicle's air-fuel ratio in real-time. Designed to provide accurate readings of your engine's combustion mixture, this gauge helps you maintain optimal performance and prevent costly engine damage caused by running too lean or too rich. Whether you're a daily driver, a spirited street enthusiast, or a performance tuner, this gauge offers reliable data to support your driving goals.

With its compact 52mm size and sleek design, the Ultra-Lite gauge fits seamlessly into your vehicle's dashboard or A-pillar mount, providing clear visibility without cluttering your interior. Its electronic operation ensures precise readings and quick response times, making it an invaluable addition to your vehicle's instrumentation suite.

Key Features

The AutoMeter Ultra-Lite Air Fuel Gauge boasts a range of features tailored for accurate and durable performance:

• Compatible with factory narrowband O2 sensors (0-1V), allowing direct connection to many vehicle applications without additional sensors or adapters.
• Features an LED radial bar graph display that provides a quick visual indication of your air-fuel ratio, with color-coded zones for rich, optimal, and lean conditions.
• Designed with a lightweight, durable aluminum housing that resists vibration and temperature fluctuations, ensuring long-lasting performance in demanding environments.
• Easy to install with a straightforward wiring harness, making it suitable for both novice and experienced installers.
• Operates reliably across a wide temperature range, maintaining accuracy whether you're on the street or at the track.
• Includes a built-in warning indicator that alerts you when your engine runs outside safe air-fuel ratios, helping prevent engine damage.
• Compatible with Autometer 2244 Narrowband O2 Sensor for enhanced accuracy and compatibility.
• Features a compact design that fits in standard 52mm gauge pods or custom mounting locations for versatile installation options.
• Designed to complement your vehicle's existing instrumentation with a clean, professional appearance.

Filter Options

The AutoMeter Ultra-Lite 52mm Air Fuel Gauge is optimized for use with factory narrowband O2 sensors, which are common in many vehicles from 2011 to 2025. It does not support 5-wire wideband sensors or aftermarket wideband systems. For best results, ensure your vehicle is equipped with a compatible narrowband O2 sensor (0-1V output). The gauge's LED display provides a clear, immediate visual cue of your air-fuel mixture, making it easy to monitor and adjust your driving style or tuning setup.

Construction & Design

Constructed with a lightweight aluminum housing, the AutoMeter Ultra-Lite gauge combines durability with a sleek appearance. Its compact 52mm diameter allows for flexible mounting options, whether in a custom gauge pod or integrated into your dashboard. The electronic circuitry is designed for high accuracy and stability, resisting the effects of engine heat and vibration. The LED radial bar graph is engineered for maximum visibility and quick interpretation, with color zones indicating rich, optimal, and lean conditions at a glance. This thoughtful design ensures you can keep an eye on your air-fuel ratio without distraction, supporting safe and efficient engine operation.

Installation & Fitment

The AutoMeter Ultra-Lite 52mm Air Fuel Gauge is a bolt-in, plug-and-play device designed for ease of installation. It connects directly to your vehicle's factory narrowband O2 sensor, eliminating the need for additional sensors or complex wiring. No cutting, drilling, or tuning is required for most applications, making it suitable for both DIY enthusiasts and professional installers. The included wiring harness simplifies the process, and the compact size allows for flexible mounting options in standard gauge pods or custom locations.

• Connects directly to factory narrowband O2 sensors (0-1V)
• No cutting, drilling, or tuning necessary in most cases
• Easy wiring harness included for straightforward installation

What's Included

• AutoMeter Ultra-Lite 52mm Electronic Air Fuel Gauge
• Wiring harness and installation hardware
• Instruction manual

Ideal For

• Performance enthusiasts seeking real-time air-fuel ratio monitoring
• Street drivers aiming to optimize engine efficiency and safety
• Tuners and mechanics performing engine diagnostics and tuning
• Anyone running a vehicle with factory narrowband O2 sensors