AutoMeter Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges

Compatible with 20 Air/Fuel Ratio Gauges (2243) 2010–2025

Part #: 2243

Overview

The AutoMeter Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges is a high-precision Bosch LSU4.2 oxygen sensor designed specifically for use with AutoMeter's wideband air/fuel ratio gauges. This sensor provides an accurate and reliable measurement of your vehicle's exhaust gases, enabling you to monitor your air/fuel ratio with confidence. Whether you're a performance enthusiast tuning your vehicle or a professional mechanic performing diagnostics, this sensor ensures precise readings to support optimal engine performance.

Engineered for durability and accuracy, this replacement sensor is ideal for enthusiasts who demand consistent, real-time data on their vehicle's air-fuel mixture. Its factory calibration and laser-etched calibration chip eliminate the need for free air calibration, simplifying installation and setup. With a 10-inch wire lead and connector, it offers flexible installation options to fit a variety of setups, making it a perfect upgrade or replacement for your existing wideband sensor.

Key Features

This sensor is built with advanced Bosch LSU4.2 technology, ensuring high accuracy within 0.1 AFR, which is critical for precise tuning and diagnostics. The factory calibration guarantees that each sensor provides consistent and reliable readings right out of the box, reducing setup time and increasing confidence in your data. The 10-inch wire lead offers ample length for flexible installation in various vehicle configurations, while the connector ensures a secure and stable connection to your gauge system.

• High-precision Bosch LSU4.2 sensor for accurate AFR measurement within 0.1 AFR
• Factory-calibrated with a laser-etched calibration chip for plug-and-play compatibility
• 10-inch wire lead with connector for flexible installation options
• Designed specifically for use with AutoMeter wideband air/fuel ratio gauges
• Durable construction suitable for automotive exhaust environments
• Reliable replacement for worn or damaged sensors, ensuring consistent gauge performance
• Compatible with vehicles from 2010 through 2025, across various makes and models

Construction & Design

This replacement sensor features a robust Bosch LSU4.2 sensing element housed within a durable, heat-resistant casing designed to withstand the harsh conditions of automotive exhaust systems. The sensor's wiring is engineered for flexibility and longevity, with a 10-inch lead that facilitates easy routing and installation. The laser-etched calibration chip embedded in the sensor ensures that calibration data remains intact and easily identifiable, streamlining the setup process. Overall, the design emphasizes reliability, accuracy, and ease of installation, making it an excellent choice for both professional and DIY applications.

Performance & Sound

While this sensor does not directly influence engine sound, its high-precision measurements enable more accurate tuning, which can lead to improved engine response and efficiency. The sensor's Bosch LSU4.2 technology ensures rapid response times and stable readings, providing you with real-time data critical for performance tuning and diagnostics. Its factory calibration maintains consistent accuracy over time, supporting optimal engine performance and fuel economy.

Installation & Fitment

This sensor is designed as a direct replacement for existing wideband oxygen sensors used with AutoMeter gauges. Installation is straightforward, requiring only the removal of the old sensor and the connection of this new unit via the existing wiring harness. No additional tuning or calibration is typically necessary, thanks to the factory calibration and laser-etched chip. Ensure your vehicle's existing sensor wiring matches the connector type for a seamless fit. Proper installation will provide accurate AFR readings and reliable gauge performance.

• Plug-and-play replacement for existing AutoMeter wideband sensors
• No cutting, drilling, or tuning required
• Compatible with 2010–2025 vehicles equipped with AutoMeter wideband gauges

What's Included

• AutoMeter Replacement Sensor for Wideband 20 Air/Fuel Ratio Gauges (2243)
• Connector and wiring harness
• Installation instructions

Ideal For

• Performance enthusiasts tuning their vehicles for maximum power and efficiency
• Professional mechanics performing diagnostics and sensor replacements
• DIYers seeking a reliable, factory-calibrated AFR sensor

Emissions Note

This sensor is intended for use as a replacement component within the exhaust system and is compatible with vehicles that meet applicable emissions standards. It is designed for off-road or racing use only and may not be legal for street use in all jurisdictions. Always verify local regulations before installation.