Denso 234-4175 Oxygen Sensor - Downstream, Downstream Left, Upstream or Upstream Right

Overview of the Denso OE Style Oxygen Sensor 234-4175

The Denso OE Style Oxygen Sensor 234-4175 is designed specifically for select Mercedes-Benz models, including the C36 AMG, E55 AMG, and S500. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated sensor type for faster activation
• Specific fit for Mercedes-Benz C36 AMG, C230, C280, CL500, E55 AMG, E320, E420, E430, S320, S420, S430, S500, and SL500
• 24.41-inch wiring harness length for precise installation
• Four-wire configuration with female connector
• Threaded mounting type with 0.708-inch thread diameter

Detailed Features and Specifications

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 24.41-inch wiring harness length provides sufficient reach for proper connection without excess slack. With a four-wire design and female connector, the sensor integrates seamlessly with the vehicle’s existing wiring harness. The threaded mounting type with a 0.708-inch diameter ensures secure installation in the exhaust system.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. This oxygen sensor is engineered to match the fit, form, and function of the factory-installed sensor on Mercedes-Benz vehicles. Using OE Style parts helps maintain vehicle performance and emissions compliance by ensuring compatibility and reliability.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves check engine light issues related to oxygen sensor faults
• Improves fuel economy by providing precise feedback to the engine control unit
• Reduces harmful emissions by maintaining optimal combustion
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-4175 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 four-wire female connector matches the vehicle harness before installation. Torque the sensor to manufacturer specifications to prevent leaks or sensor damage.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship.