Denso 234-4977 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4977

The Denso OE Style Oxygen Sensor 234-4977 is designed specifically for Honda CR-V models, providing precise emission control and improved engine performance. This heated oxygen sensor features a specific fit and a wiring harness length of 11.42 inches, ensuring compatibility and ease of installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fitment for Honda CR-V vehicles
• Wiring harness length of 11.42 inches for proper connection
• Four-wire design for reliable signal transmission
• Part number 234-4977 for easy identification and replacement

Detailed Features and Specifications

The Denso OE Style line focuses on providing oxygen sensors that match original equipment specifications, ensuring reliable performance and durability. The 234-4977 oxygen sensor is a heated type, which allows it to reach operating temperature quickly for faster feedback to the engine control unit. This sensor includes four wires, which typically consist of two for the heater circuit and two for the sensor signal, enhancing responsiveness and accuracy. The wiring harness length of 11.42 inches is tailored to fit the Honda CR-V, preventing wiring strain or connection issues.

Compatible Vehicles and Applications

This oxygen sensor is specifically designed for use with Honda CR-V models, making it a suitable replacement part for emission control systems in these vehicles. It helps maintain optimal air-fuel mixture by accurately measuring oxygen levels in the exhaust gases.

• Helps reduce engine misfires and rough idling
• Improves fuel efficiency by providing accurate oxygen readings
• Reduces harmful emissions by supporting proper combustion
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine performance and drivability

Installation Notes and Tips

When installing the Denso OE Style oxygen sensor 234-4977 on a Honda CR-V, ensure the vehicle is cool to avoid burns. Disconnect the battery before removal to prevent electrical shorts. Use an oxygen sensor socket for removal and installation to avoid damage. Verify the wiring harness length and connector type match the vehicle’s specifications to ensure proper fit and function.

Quality Assurance and Warranty

Denso’s OE Style oxygen sensors are manufactured to meet or exceed original equipment standards, providing reliable performance and durability. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, supporting long-term use in Honda CR-V vehicles.