Denso 234-4874 Oxygen Sensor - Downstream or Upstream

Overview of Denso OE Style Oxygen Sensor 234-4874

The Denso OE Style Oxygen Sensor 234-4874 is designed specifically for select Audi and Volkswagen models, ensuring precise emissions control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 69.21-inch wiring harness, tailored for exact fitment.

• Heated oxygen sensor for faster response times
• Specific fit for Audi and Volkswagen vehicles
• Threaded mounting with 0.708-inch thread diameter
• 4-wire configuration with male connector
• 69.21-inch wiring harness length for proper installation

Detailed Product Description

The Denso OE Style line focuses on providing original equipment quality replacement parts that match the specifications of the factory-installed components. The 234-4874 oxygen sensor is a heated sensor, which helps the sensor reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire design includes a male connector and a threaded mounting type with a 0.708-inch diameter, ensuring a secure and reliable fit. The wiring harness length of 69.21 inches allows for proper routing and connection within the engine bay. This sensor is engineered for specific fitment, compatible with a range of Audi and Volkswagen models including the A4, A6, A8 Quattro, Golf, Jetta, Passat, and others.

Compatible Vehicles and Applications

• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, A8 Quattro, Allroad Quattro, S4, TT, TT Quattro
• Compatible with Volkswagen Beetle, Cabrio, EuroVan, Golf, Jetta, Passat, Phaeton, Touareg
• Designed to maintain proper air-fuel ratio and reduce harmful emissions
• Helps address issues such as poor fuel economy, rough idling, and failed emissions tests
• Replaces faulty or worn oxygen sensors to restore engine performance

Installation Notes and Tips

When installing the Denso 234-4874 oxygen sensor, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the connector gender matches the vehicle harness for a secure connection. Thread the sensor carefully to prevent cross-threading and torque to manufacturer specifications. Proper installation will help maintain sensor accuracy and vehicle emissions compliance.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet or exceed OEM standards, providing reliable performance and durability. This part undergoes rigorous testing to ensure compatibility and function with specified Audi and Volkswagen models. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship.