Denso 234-3019 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Audi, Jaguar, and Volvo Vehicles

The Denso OE Style 234-3019 oxygen sensor is designed specifically for select Audi, Jaguar, and Volvo models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated oxygen sensor type for faster response times
• Specific fit for Audi 740, 745, 760, 780, 940, S4, S6 models
• Compatible with Jaguar XJ6, XJ12, XJRS, XJS, and Vanden Plas
• Fits Volvo V8 Quattro models
• Threaded mounting with 0.708-inch thread diameter
• 38.82-inch wiring harness length with 3 wires
• Male and female connector gender for secure connection

About the Denso OE Style Product Line

The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures that the 234-3019 sensor maintains the same fit, form, and function as the factory-installed part. The OE Style sensors are designed to provide reliable emissions control and durability, making them suitable replacements for specific vehicle applications.

Detailed Product Description

The Denso 234-3019 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission readings shortly after engine start. Its 38.82-inch wiring harness with three wires supports accurate signal transmission and heater control. The sensor’s threaded mounting type with a 0.708-inch diameter ensures a secure and proper fit in the exhaust system. The male and female connectors facilitate straightforward installation and reliable electrical connection. This sensor is a specific fit for various Audi, Jaguar, and Volvo models, including the Audi S4 and S6, Jaguar XJ series, and Volvo V8 Quattro.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Improves fuel economy by providing precise sensor data
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-3019 oxygen sensor, ensure the vehicle is compatible with the specific fitment list. Use proper tools to avoid damaging the threaded mounting. Verify the wiring harness length of 38.82 inches is sufficient for your vehicle’s routing. Confirm the male and female connectors align correctly before securing the sensor. It is recommended to replace the sensor when the engine is cool to prevent burns and ensure safe installation.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. This ensures dependable performance and peace of mind when replacing your vehicle’s oxygen sensor.