Denso 234-4616 Oxygen Sensor - Downstream

Overview of Denso OE Style Oxygen Sensor 234-4616

The Denso OE Style Oxygen Sensor 234-4616 is designed specifically for select Buick, Chevrolet, Oldsmobile, and Pontiac models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated sensor type for faster response times
• Specific fit for Buick Achieva, Chevrolet Cavalier, Oldsmobile Cutlass, Pontiac Grand Am, Skylark, and Sunfire
• 68.31 inches wiring harness length for proper installation
• Threaded mounting type with 0.708 inch thread diameter
• Four-wire configuration with female connector

Detailed Features and Specifications

The Denso 234-4616 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with various GM vehicles including the Buick Achieva and Pontiac Grand Am, among others. The sensor includes a 68.31-inch wiring harness, providing sufficient length for secure connections without excess slack. The four-wire design supports both the sensor signal and heater circuit, while the female connector ensures a reliable electrical connection. The threaded mounting type with a 0.708-inch diameter allows for straightforward installation into the exhaust system.

About the Denso OE Style Product Line

The OE Style line from Denso is engineered to meet original equipment specifications, providing a direct replacement for factory-installed parts. This ensures that the 234-4616 oxygen sensor maintains the performance and reliability expected from the original sensor, supporting proper emissions control and engine management systems in compatible vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and poor fuel economy caused by faulty sensors
• Reduces emissions by ensuring correct exhaust gas readings
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine performance in Buick Achieva, Chevrolet Cavalier, and Pontiac Sunfire

Installation Notes and Tips

When installing the Denso 234-4616 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate 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 sensor to prevent leaks and ensure a secure fit.

Quality Assurance and Warranty

Denso oxygen sensors, including the 234-4616, are manufactured to meet strict quality standards and original equipment specifications. This part undergoes rigorous testing to ensure durability and reliable performance. Warranty coverage details should be confirmed with the supplier or manufacturer.