Denso 234-5136 Air / Fuel Ratio Sensor

Reliable Air/Fuel Ratio Sensor for Select BMW and Mercedes Models

The Denso OE Style Air/Fuel Ratio Sensor 234-5136 is engineered to provide precise emissions control for specific BMW, Mercedes-Benz, Mini, and Rolls-Royce vehicles. Designed as a heated sensor with a 26.26-inch wiring harness, this part ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated sensor type for faster response times
• Specific fit for select BMW, Mercedes-Benz, Mini, and Rolls-Royce models
• 26.26-inch wiring harness length for proper installation
• Five-wire configuration with male connector
• Thread diameter of 0.711 inches for secure mounting
• Regular grade type for standard OEM replacement

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. This air/fuel ratio sensor 234-5136 is manufactured to match the fit, form, and function of the factory-installed sensor, ensuring compatibility and reliable performance in vehicles like the BMW 550i, 650i, 750i, and Mercedes-Benz C300, GLC300, among others.

Detailed Product Description

This Denso air/fuel ratio sensor is a heated sensor designed to provide accurate feedback to the engine control unit by measuring the oxygen content in the exhaust gases. The 26.26-inch wiring harness length allows for proper routing and connection within the engine bay. Featuring a five-wire setup and a male connector, it integrates seamlessly with the vehicle’s existing wiring harness. The 0.711-inch thread diameter ensures a secure and proper fit in the exhaust system. This sensor is a specific fit part, compatible with models such as the BMW 750Li, Mercedes-Benz ML450, Mini Cooper, and Rolls-Royce Phantom.

Common Applications and Issues Addressed

• Helps maintain optimal air/fuel mixture for efficient combustion
• Reduces emissions by providing accurate sensor data to the ECU
• Resolves engine performance issues related to faulty oxygen sensing
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring proper sensor operation

Installation Notes and Tips

When installing the Denso 234-5136 air/fuel ratio sensor, ensure the wiring harness is routed away from high-heat sources to prevent damage. Verify the thread diameter matches the exhaust port to avoid leaks. Use appropriate tools to tighten the sensor to manufacturer torque specifications. This sensor is designed for specific fitment, so confirm compatibility with your vehicle model before installation.

Quality Assurance and Warranty

Denso OE Style sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Denso parts typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.