Denso 234-4036 Oxygen Sensor - Upstream Rear

Overview of Denso OE Style Oxygen Sensor 234-4036

The Denso OE Style Oxygen Sensor 234-4036 is designed specifically for Mazda Millenia models, ensuring precise fitment and reliable performance. This heated oxygen sensor features a threaded mounting type and a 37.80-inch wiring harness, tailored to meet the exact specifications of your vehicle.

• Heated sensor type for faster warm-up and accurate readings
• Specific fitment for Mazda Millenia models
• Threaded mounting type with 0.708-inch thread diameter
• Four-wire configuration with female connector
• 37.80-inch wiring harness length for optimal installation

Detailed Product Description

The Denso OE Style line focuses on providing oxygen sensors that match original equipment specifications, ensuring compatibility and performance consistent with factory-installed parts. The 234-4036 oxygen sensor is a heated sensor, which helps reduce the time it takes for the sensor to reach operating temperature, improving fuel efficiency and emissions control. Its four-wire design includes a female connector and a 0.708-inch threaded mounting, making installation straightforward and secure. The 37.80-inch wiring harness length offers sufficient reach for proper routing in the engine bay of Mazda Millenia vehicles.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensor readings
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate feedback to the engine control unit
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure vehicle compatibility with Mazda Millenia models before installation
• Use proper tools to avoid damaging the threaded mounting during installation
• Verify connector gender matches the vehicle harness for a secure connection
• Inspect wiring harness routing to prevent contact with hot or moving parts
• Follow manufacturer torque specifications for sensor mounting

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 234-4036 part undergoes rigorous quality control to ensure consistent operation in emission control systems. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.