Denso 234-5046 Air / Fuel Ratio Sensor - Downstream or Upstream

Overview of the Denso OE Style Air / Fuel Ratio Sensor

The Denso OE Style Air / Fuel Ratio Sensor 234-5046 is designed specifically for select Mercedes-Benz models, including the GL350, ML350, R350, Sprinter 2500, and Sprinter 3500. This heated sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated sensor type for faster response times
• Specific fitment for Mercedes-Benz GL350, ML350, R350, Sprinter 2500, and Sprinter 3500
• 12.99-inch wiring harness length for precise installation
• Five-wire configuration with male connector
• Thread diameter of 0.711 inches for secure mounting
• Regular grade type for standard OEM replacement

Detailed Product Description

The Denso 234-5046 air/fuel ratio sensor is engineered to meet the exact specifications of the OE Style product line, providing a direct replacement for the original sensor in compatible Mercedes-Benz vehicles. Featuring a heated sensor element, it quickly reaches operating temperature to deliver accurate oxygen level readings. The sensor’s 12.99-inch wiring harness and five-wire setup with a male connector ensure proper electrical connections and fitment. Its 0.711-inch thread diameter allows for secure installation in the exhaust system, maintaining the integrity of emissions control.

The OE Style line from Denso focuses on delivering parts that closely match original equipment specifications, making the 234-5046 sensor a reliable choice for maintaining factory performance and emissions standards in your Mercedes-Benz GL350, ML350, R350, Sprinter 2500, or Sprinter 3500.

Common Applications and Issues Addressed

• Helps resolve poor fuel economy caused by incorrect air/fuel mixture readings
• Addresses rough idling or engine hesitation related to faulty oxygen sensors
• Reduces emissions by providing accurate data to the engine control unit
• Prevents check engine light triggers related to sensor malfunction
• Supports proper catalytic converter function by maintaining correct air/fuel ratios

Installation Notes and Tips

• Ensure vehicle compatibility with Mercedes-Benz GL350, ML350, R350, Sprinter 2500, or Sprinter 3500 before installation
• Handle the sensor carefully to avoid damage to the heated element and wiring harness
• Use appropriate tools to avoid damaging the 0.711-inch threaded mounting area
• Verify electrical connections match the five-wire male connector configuration
• Follow manufacturer torque specifications when installing the sensor

Quality Assurance and Warranty

Denso’s OE Style air/fuel ratio sensor 234-5046 is manufactured to meet original equipment standards, ensuring consistent performance and durability. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. This sensor is designed to maintain emissions compliance and engine efficiency for the specified Mercedes-Benz models.