Denso 234-4064 Oxygen Sensor - Downstream Left, Downstream Rear or Downstream Right

Reliable Oxygen Sensor for Lexus and Toyota Vehicles

The Denso OE Style 234-4064 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Avalon, Camry, ES300, ES330, ES350, GX460, and Solara. This heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Heated sensor type for faster response times
• Specific fit for Lexus and Toyota models listed
• 12.80-inch wiring harness length for precise 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 OE Style line from Denso offers direct replacement parts engineered to meet original equipment specifications. The 234-4064 oxygen sensor maintains factory-level quality and fitment, ensuring compatibility and reliable performance for your Lexus or Toyota vehicle’s emission control system.

Detailed Product Description

This Denso oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 12.80-inch wiring harness length provides flexibility during installation, while the four-wire configuration supports accurate signal transmission. The male connector and threaded mounting type with a 0.708-inch diameter ensure a secure and precise fit in the exhaust system of compatible Lexus and Toyota models.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for engine control units
• Helps resolve rough idling and poor fuel economy
• Reduces emissions-related check engine light triggers
• Improves overall engine performance and drivability
• Prevents failed emissions tests due to faulty oxygen sensors

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use appropriate tools to remove the old sensor and install the Denso 234-4064 oxygen sensor by threading it securely into place. Verify the connector is fully engaged to maintain proper electrical connection. Follow vehicle-specific service manual instructions for torque specifications and sensor location.

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 parts typically come with a limited warranty covering defects in materials and workmanship to provide confidence in your replacement part.