Denso 234-4416 Oxygen Sensor - Downstream Left

Overview of the Denso OE Style Oxygen Sensor 234-4416

The Denso OE Style Oxygen Sensor 234-4416 is designed specifically for select Lexus and Toyota models, including the RX350 and Sienna. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated sensor type for faster activation and improved efficiency
• Specific fit for Lexus RX350 and Toyota Sienna models
• Threaded mounting type with 0.708-inch thread diameter for secure installation
• 10.04-inch wiring harness length with 4 wires and male connector for direct compatibility
• Part number 234-4416 for easy identification and replacement

Detailed Product Features and Specifications

This oxygen sensor from Denso’s OE Style line is engineered to meet original equipment specifications, providing reliable emissions feedback to the vehicle’s engine control unit. The heated sensor element allows the sensor to reach operating temperature quickly, reducing cold start emissions. The 10.04-inch wiring harness length and male connector with four wires ensure a precise fit and straightforward connection without modification. The threaded mounting type with a 0.708-inch diameter thread guarantees a secure and leak-free installation in the exhaust system.

About the Denso OE Style Product Line

The OE Style product line by Denso focuses on delivering parts that match the original equipment manufacturer’s design and performance standards. This ensures that the oxygen sensor 234-4416 provides consistent and reliable operation, maintaining the emissions control system’s integrity for Lexus and Toyota vehicles. The OE Style line is ideal for customers seeking direct replacement parts that maintain factory specifications.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing precise emissions data
• Reduces harmful exhaust emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-4416 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the wiring harness length and connector gender match the vehicle’s harness to avoid electrical issues. It is recommended to apply anti-seize compound on the threads to facilitate future removal, but avoid contaminating the sensor tip.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style 234-4416 sensor is backed by Denso’s quality assurance protocols. Please refer to Denso’s official warranty terms for coverage details.