Denso 234-3112 Oxygen Sensor - Upstream

Overview of the Denso OE Style Oxygen Sensor 234-3112

The Denso OE Style Oxygen Sensor 234-3112 is designed specifically for Nissan Altima models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a male connector, ensuring a secure and accurate fit for your vehicle.

• Heated oxygen sensor for faster response times
• Specific fit for Nissan Altima models
• Threaded mounting with 0.708 inch thread diameter
• 8.66-inch wiring harness length for optimal installation
• Three-wire configuration with male connector

Detailed Features and Specifications

This Denso oxygen sensor (part number 234-3112) belongs to the OE Style product line, which focuses on delivering original equipment quality and fitment. The OE Style line is engineered to meet or exceed factory specifications, ensuring compatibility and reliable performance for emission control systems. The heated sensor type accelerates the sensor’s readiness after engine start, improving fuel efficiency and reducing emissions.

The sensor’s 8.66-inch wiring harness length provides sufficient reach for installation in the Nissan Altima’s exhaust system. Its three-wire design supports the heating element and signal transmission, while the male connector ensures a secure electrical connection. The threaded mounting type with a 0.708-inch diameter allows for straightforward replacement without modification.

Applications and Problem Resolution

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces harmful emissions by accurately monitoring oxygen levels
• Addresses engine performance issues related to faulty oxygen sensors
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by providing accurate feedback to the engine control unit

Installation Notes and Tips

When installing the Denso 234-3112 oxygen sensor on a Nissan Altima, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor and install the new one. Verify the wiring harness length and connector type match the vehicle’s specifications to avoid electrical issues. Proper torque on the threaded mounting is essential to prevent exhaust leaks.

Quality Assurance and Warranty

Denso’s OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable operation. This part number 234-3112 undergoes rigorous testing to comply with OEM requirements. While specific warranty details may vary, Denso products typically include coverage against defects in materials and workmanship.