Denso 234-4169 Oxygen Sensor

Reliable Oxygen Sensor for Lexus and Toyota Vehicles

The Denso OE Style Oxygen Sensor 234-4169 is designed specifically for select Lexus and Toyota models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 4-wire configuration for accurate readings and durability.

• Heated oxygen sensor for faster warm-up and accurate data
• Specific fit for Lexus and Toyota models including 4Runner, LS400, LX470, and Tundra
• Threaded mounting with 0.708 inch thread diameter for secure installation
• 4-wire design with male connector for reliable electrical connection
• 11.42-inch wiring harness length for proper routing and fitment

About the Denso OE Style Product Line

The OE Style line by Denso offers replacement parts engineered to meet original equipment specifications. The 234-4169 oxygen sensor maintains the quality and performance standards expected from factory-installed components, providing a direct fit and function for your Lexus or Toyota vehicle.

Detailed Product Description

This Denso oxygen sensor 234-4169 is a heated sensor designed to provide accurate air-fuel mixture readings to the engine control unit. Its 4-wire configuration includes heating elements that reduce sensor warm-up time, improving emission control efficiency. The sensor’s threaded mounting type with a 0.708 inch diameter ensures a secure and leak-free fit. With an 11.42-inch wiring harness, it offers proper length for installation in specific Lexus and Toyota models such as the GS400, Land Cruiser, LS600h, LX570, SC400, Sequoia, and Tundra.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine hesitation
• Improves fuel efficiency by providing accurate oxygen level data
• Reduces emissions by ensuring proper catalytic converter function
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine performance in Lexus and Toyota vehicles

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use a proper oxygen sensor socket for removal and installation to prevent damage. Verify the connector gender matches the vehicle harness; this sensor features a male connector. Follow torque specifications for the 0.708 inch threaded mounting to avoid leaks or sensor damage. Check wiring routing to prevent contact with hot exhaust components.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties to ensure reliability and performance in emission control applications.