Denso 234-3048 Oxygen Sensor - Upstream

Overview of the Denso OE Style Oxygen Sensor 234-3048

The Denso OE Style Oxygen Sensor 234-3048 is designed for precise emission control in select Audi, Jaguar, Saab, and Volkswagen vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for various Audi, Jaguar, Saab, and Volkswagen models
• Threaded mounting type with 0.708-inch thread diameter
• 49.49-inch wiring harness length for proper installation
• Three-wire configuration with male and female connectors

Detailed Product Features and Specifications

The Denso 234-3048 oxygen sensor features a heated design that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with models such as the Audi 80 Quattro, Volkswagen Golf, Saab 900, and Jaguar XJ6, among others. The sensor includes a 49.49-inch wiring harness, providing sufficient length for secure connections. The three-wire setup with male and female connectors facilitates straightforward installation and reliable electrical contact. The threaded mounting type with a 0.708-inch diameter ensures a secure and proper fit in the exhaust system.

About the Denso OE Style Product Line

The OE Style line by Denso is engineered to meet original equipment specifications, offering a direct replacement for factory-installed parts. This oxygen sensor maintains the quality and performance standards expected from OEM components, making it suitable for vehicles requiring precise emission control sensors. The OE Style designation indicates that this sensor matches the fit, form, and function of the original part, supporting consistent vehicle operation.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel ratio management
• Resolves engine performance issues related to faulty sensors
• Helps reduce emissions and pass vehicle inspections
• Eliminates rough idling and poor fuel economy caused by sensor failure
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Denso 234-3048 oxygen sensor securely using the threaded mounting. Verify the wiring harness length of 49.49 inches is sufficient for your vehicle’s routing. Confirm the three-wire connector matches the vehicle’s harness with male and female ends for proper connection. Follow manufacturer torque specifications to avoid damage.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style 234-3048 sensor is designed to provide reliable operation consistent with original equipment. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.