Delphi ES20124 Oxygen Sensor - Front

Delphi ES20124 Heated Oxygen Sensor Overview

The Delphi ES20124 is a heated oxygen sensor designed for precise emission control in select Chevrolet and Suzuki vehicles. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for reliable operation
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Overall length of 350.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for guidance
• Positioned for front installation in exhaust system

Technical Details and Compatibility

The Delphi ES20124 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved sensor response. Its 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance under various operating conditions. The square connector shape facilitates a secure electrical connection, reducing the risk of disconnection or signal loss. With a thread size of 18 x 1.5 mm and an overall length of 350.0 mm, this sensor is engineered to fit front exhaust positions on Chevrolet and Suzuki models including the Esteem, Grand Vitara, Tracker, and Vitara. The package includes the oxygen sensor and an instruction sheet to assist with installation.

Compatible Vehicles and Applications

• Chevrolet Esteem oxygen sensor replacement
• Suzuki Grand Vitara front oxygen sensor
• Suzuki Tracker emission control sensor
• Suzuki Vitara heated oxygen sensor upgrade

Common Issues Addressed by the Delphi ES20124

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues related to exhaust gas monitoring
• Delayed sensor warm-up affecting emission control systems

Installation Notes and Tips

When installing the Delphi ES20124 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct thread size (18 x 1.5 mm) to avoid cross-threading. The sensor is designed for front exhaust positions, so verify the location before installation. Connect the 4-wire harness securely to the square connector to maintain proper electrical contact. Follow the included instruction sheet for torque specifications and wiring guidance.

Quality Assurance and Warranty

Delphi manufactures the ES20124 oxygen sensor to meet OEM standards for durability and performance. While specific warranty details are not provided here, Delphi products typically come with manufacturer-backed quality assurance to support reliable operation in emission control systems.