Denso 234-4061 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Chevrolet, Geo, and Toyota Vehicles

The Denso OE Style 234-4061 oxygen sensor is designed to provide accurate emissions monitoring for specific vehicle models including Chevrolet Prizm, Geo Prizm, and Toyota Avalon, Corolla, Paseo, and Tercel. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the engine control unit.

• Heated oxygen sensor type for faster response times
• Specific fit for Chevrolet, Geo, and Toyota models
• 14.17-inch wiring harness length for convenient installation
• Four-wire design with male connector for secure connection
• Threaded mounting type with 0.708-inch thread diameter

About the Denso OE Style Product Line

The Denso OE Style line focuses on providing oxygen sensors that meet original equipment specifications for exact fit and function. The 234-4061 sensor is engineered to match factory standards, ensuring compatibility and reliable performance for the specified Chevrolet, Geo, and Toyota vehicles. This product line emphasizes precision and durability, supporting proper emissions control and engine efficiency.

Product Details and Specifications

This oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission readings shortly after engine start. The 14.17-inch wiring harness length offers flexibility during installation, while the four-wire configuration includes two wires for the heater circuit and two for the sensor signal. The male connector ensures a secure and correct connection to the vehicle’s wiring harness. The sensor mounts via a threaded fitting with a 0.708-inch diameter, matching factory mounting points for a straightforward replacement.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Resolves check engine light triggers caused by sensor failure
• Supports fuel economy by enabling precise engine management

Installation Notes and Tips

When installing the Denso 234-4061 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the sensor’s threaded diameter matches the mounting port. Connect the male connector securely to the vehicle’s harness, and verify the wiring harness length is sufficient for your application. It is recommended to apply anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This ensures reliable performance and durability under normal operating conditions. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.