Denso 234-4526 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4526

The Denso OE Style Oxygen Sensor 234-4526 is designed for precise emission control in select Buick, Chevrolet, and Saab vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and reduce emissions.

• Heated sensor type for faster response times
• Specific fit for Buick, Chevrolet, and Saab models
• 16.38-inch wiring harness length for proper installation
• Four-wire configuration with male connector
• Threaded mounting type with 0.708-inch thread diameter

Detailed Product Features and Specifications

This oxygen sensor from Denso's OE Style line is engineered to meet original equipment specifications, providing reliable performance and durability. The heated sensor element allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing harmful emissions. The 16.38-inch wiring harness length and four-wire design with a male connector ensure compatibility and ease of installation in specific vehicle models. The threaded mounting type with a 0.708-inch diameter secures the sensor firmly in place for accurate readings.

About the Denso OE Style Product Line

The OE Style product line by Denso focuses on delivering parts that match original equipment quality and fitment. This line is tailored for direct replacement applications, ensuring that the oxygen sensor integrates seamlessly with the vehicle’s existing systems. The 234-4526 sensor exemplifies this approach by providing a specific fit and maintaining the performance standards expected from factory-installed components.

Compatible Vehicles and Common Applications

• Buick LaCrosse, Regal, Verano
• Chevrolet Impala, Malibu
• Saab 9-5

This oxygen sensor is designed to address issues related to inaccurate air-fuel mixture readings, which can cause:

• Increased emissions and failed emissions tests
• Poor fuel economy
• Engine performance problems such as rough idling or hesitation
• Check engine light activation related to oxygen sensor faults
• Potential damage to catalytic converters due to improper fuel mixture

Installation Notes and Tips

When installing the Denso 234-4526 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length and connector type match the vehicle’s specifications. Proper torque should be applied to the threaded sensor to prevent leaks and ensure accurate sensor readings.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports the vehicle’s emission control system integrity.