Denso 234-3090 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right

Reliable Oxygen Sensor for Multiple Vehicle Makes and Models

The Denso Universal Oxygen Sensor 234-3090 is designed to provide accurate emissions monitoring across a wide range of vehicles. This heated oxygen sensor features a universal fit and threaded mounting, making it a versatile choice for many automotive applications.

• Heated sensor type for faster response and improved efficiency
• Universal fit compatible with various makes including Audi, Honda, Nissan, and Mercedes-Benz
• Threaded mounting type with 0.708 inch thread diameter for secure installation
• 11.77-inch wiring harness length with 3-wire configuration
• Part number 234-3090 ensures precise identification and compatibility

About the Denso Universal Product Line

The Denso Universal product line offers adaptable emission control components designed to fit a broad spectrum of vehicles. The Universal oxygen sensor 234-3090 is engineered to meet the demands of multiple automotive brands and models, providing a reliable solution for emission system maintenance and repair.

Product Details and Specifications

This oxygen sensor features a heated sensor element that allows for quicker activation and more accurate air-fuel mixture readings. The 11.77-inch wiring harness length and 3-wire setup facilitate straightforward electrical connections. Its threaded mounting type with a 0.708-inch diameter ensures compatibility with many exhaust systems. The universal design supports fitment on vehicles such as the Audi A4 Quattro, Honda Accord, Nissan Altima, Mercedes-Benz 300E, and Subaru Forester, among others.

Common Applications and Issues Addressed

• Helps resolve poor fuel economy caused by inaccurate oxygen readings
• Reduces engine performance issues related to faulty sensors
• Assists in correcting rough idling and hesitation problems
• Supports emission system compliance by maintaining proper exhaust gas monitoring
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use appropriate tools to remove the old sensor and install the Denso 234-3090 sensor by threading it securely into place. Verify the wiring harness length of 11.77 inches is sufficient for your vehicle’s connection points. Confirm the 3-wire configuration matches the vehicle’s sensor wiring to avoid electrical issues.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet OEM standards for durability and performance. The 234-3090 part undergoes rigorous testing to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.