Denso 234-4804 Oxygen Sensor - Downstream Left

Overview of Denso OE Style Oxygen Sensor 234-4804

The Denso OE Style Oxygen Sensor 234-4804 is designed specifically for Toyota 4Runner models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a 13.39-inch wiring harness and a threaded mounting type for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Toyota 4Runner vehicles
• 13.39-inch wiring harness length for proper reach
• Threaded mounting with 0.708-inch thread diameter
• Four-wire design with male connector for reliable connection

Detailed Product Description

The Denso 234-4804 oxygen sensor is engineered to meet the exact specifications of Toyota 4Runner models, providing a direct replacement that maintains factory performance. Its heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. The sensor’s 13.39-inch wiring harness length ensures compatibility with the vehicle’s existing wiring layout, while the four-wire configuration supports both sensor heating and signal transmission. The male connector and threaded mounting type with a 0.708-inch diameter facilitate straightforward installation and secure fitment.

About the OE Style Product Line

The Denso OE Style line focuses on delivering parts that closely replicate original equipment specifications. This oxygen sensor from the OE Style series is designed to provide the same fit, form, and function as the factory-installed sensor in Toyota 4Runner vehicles. Choosing an OE Style part helps maintain vehicle integrity and emission system reliability.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring correct emissions feedback
• Reduces exhaust emissions by maintaining optimal combustion
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-4804 oxygen sensor on a Toyota 4Runner, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the four-wire connector matches the vehicle’s harness and thread the sensor carefully to prevent cross-threading. It is recommended to apply anti-seize compound on the threads if not pre-applied.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The OE Style 234-4804 sensor undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the supplier or manufacturer.