Denso 234-3105 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Mercedes-Benz 300SL and 500SL

The Denso OE Style Oxygen Sensor 234-3105 is designed specifically for Mercedes-Benz 300SL and 500SL models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to your vehicle's engine management system.

• Heated sensor type for faster response times
• Specific fit for Mercedes-Benz 300SL and 500SL
• Threaded mounting type with 0.708-inch thread diameter
• Three-wire configuration with female connector
• 17.72-inch wiring harness length for proper installation

About the Denso OE Style Product Line

The OE Style line from Denso offers direct replacement parts engineered to meet original equipment specifications. The 234-3105 oxygen sensor maintains factory-level quality and fitment, ensuring compatibility and reliable performance for your Mercedes-Benz 300SL or 500SL. This product line focuses on delivering components that match the original sensor's design and function.

Detailed Product Description

This Denso oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emissions control and fuel efficiency. The sensor is designed with a threaded mounting type and a 0.708-inch thread diameter, ensuring a secure and precise fit. The three-wire setup includes a female connector, facilitating straightforward electrical connections. With a wiring harness length of 17.72 inches, this sensor is tailored for the specific routing requirements of the Mercedes-Benz 300SL and 500SL models.

Common Applications and Issues Addressed

• Helps correct inaccurate air-fuel mixture readings
• Resolves engine performance issues related to faulty oxygen sensors
• Reduces emissions by providing accurate feedback to the engine control unit
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by maintaining proper combustion

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use an oxygen sensor socket or appropriate tool to remove and install the sensor. Verify the connector gender matches the vehicle harness for a proper electrical connection. Follow torque specifications for the 0.708-inch threaded mounting to avoid damage or leaks.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details for part number 234-3105 may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.