Denso 234-4388 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4388

The Denso OE Style Oxygen Sensor 234-4388 is designed specifically for Suzuki SX4 models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 17.32-inch wiring harness, ensuring a direct fit and reliable operation.

• Heated oxygen sensor for accurate emissions feedback
• Specific fit for Suzuki SX4 vehicles
• Threaded mounting with 0.708-inch thread diameter
• 17.32-inch wiring harness length for proper installation
• Four-wire design with male connector for secure connection

Detailed Product Description

The Denso 234-4388 oxygen sensor is engineered to meet the exact specifications of Suzuki SX4 models, ensuring compatibility and optimal performance. As a heated sensor, it quickly reaches operating temperature to provide accurate oxygen level readings to the engine control unit (ECU). The sensor’s four-wire configuration includes a male connector, facilitating a secure and reliable electrical connection. Its 0.708-inch threaded mounting type allows for straightforward installation in the exhaust system. The 17.32-inch wiring harness length is designed to fit the vehicle’s layout without the need for extensions or modifications.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that closely replicate original equipment specifications. This ensures that the oxygen sensor 234-4388 maintains the performance and durability expected from factory-installed components. The OE Style sensors are designed to provide consistent emissions control and engine efficiency, making them suitable replacements for Suzuki SX4 owners seeking reliable sensor performance.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for improved fuel efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by providing precise feedback to the ECU
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports proper catalytic converter function by monitoring exhaust gases

Installation Notes and Tips

When installing the Denso 234-4388 oxygen sensor on a Suzuki SX4, 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 gender match the vehicle’s harness to ensure a proper fit. It is recommended to apply anti-seize compound on the threads before installation to facilitate future removal.

Quality Assurance and Warranty

Denso oxygen sensors, including the 234-4388, are manufactured to meet strict quality standards and OEM specifications. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. This ensures that the sensor provides reliable performance throughout its service life when installed correctly on compatible Suzuki SX4 models.