Denso 234-4774 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Chevrolet Spark

The Denso OE Style Oxygen Sensor 234-4774 is designed specifically for Chevrolet Spark models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 15.47-inch wiring harness for a secure and accurate fit.

• Heated oxygen sensor for faster response times
• Specific fit for Chevrolet Spark vehicles
• Threaded mounting type with 0.708-inch thread diameter
• Four-wire design with female connector
• 15.47-inch wiring harness length for proper installation

About the Denso OE Style Product Line

The OE Style line by Denso offers sensors engineered to meet original equipment specifications. This ensures compatibility and reliable performance for emission control systems. The 234-4774 oxygen sensor maintains factory standards for fit, form, and function, making it a suitable replacement part for Chevrolet Spark vehicles requiring precise sensor operation.

Product Details and Specifications

This oxygen sensor is a heated type, which helps the sensor reach operating temperature quickly, improving fuel efficiency and reducing emissions. It features a specific fitment for Chevrolet Spark models, ensuring proper installation without modification. The sensor includes a female connector and four wires, supporting accurate signal transmission to the engine control unit. The threaded mounting type with a 0.708-inch diameter allows for secure attachment in the exhaust system. The wiring harness length of 15.47 inches provides adequate reach for installation in the designated location.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces engine misfires and rough idling
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate oxygen level data
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. The threaded mounting type requires proper torque to avoid damage or leaks. Verify the female connector matches the vehicle’s wiring harness for a secure connection. It is recommended to inspect the wiring harness for any damage before installation. Follow manufacturer torque specifications and safety guidelines during replacement.

Quality Assurance and Warranty

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