Denso 234-5719 Air / Fuel Ratio Sensor - Upstream

Reliable Air/Fuel Ratio Sensor for Volkswagen Jetta

The Denso OE Style Air/Fuel Ratio Sensor 234-5719 is designed specifically for Volkswagen Jetta models, ensuring precise emissions control and optimal engine performance. This heated sensor features a 29.33-inch wiring harness and a male connector for straightforward integration.

• Heated sensor type for faster response times
• Specific fitment for Volkswagen Jetta vehicles
• 29.33-inch wiring harness length for flexible installation
• Five-wire configuration with male connector
• Thread diameter of 0.709 inches for secure mounting
• Regular grade type for standard durability and performance

About the Denso OE Style Product Line

The OE Style line from Denso offers components engineered to meet original equipment specifications. This ensures that the 234-5719 Air/Fuel Ratio Sensor maintains the quality and reliability expected from factory parts. Designed for direct replacement, the OE Style sensor supports consistent emissions control and engine efficiency in Volkswagen Jetta models.

Detailed Product Description

The Denso 234-5719 Air/Fuel Ratio Sensor is a heated sensor that monitors the oxygen content in the exhaust gases to help regulate the air-to-fuel mixture. Its five-wire design and 29.33-inch wiring harness provide compatibility with the vehicle’s existing electrical system, while the male connector ensures a secure connection. The sensor’s 0.709-inch thread diameter allows for proper installation in the exhaust manifold or pipe. This specific fit sensor is tailored for Volkswagen Jetta vehicles, ensuring accurate readings and reliable performance.

Common Issues Addressed by This Sensor

• Incorrect air/fuel mixture causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor readings
• Increased emissions due to inefficient combustion
• Engine hesitation or rough idling related to sensor failure
• Failed emissions tests linked to sensor malfunction

Installation Notes and Tips

When installing the Denso 234-5719 sensor, ensure the wiring harness is routed away from excessive heat sources and moving parts. Use the correct thread size of 0.709 inches to avoid leaks or improper fitment. Verify the male connector is fully seated to maintain electrical continuity. This sensor is designed for specific fitment on Volkswagen Jetta models, so confirm vehicle compatibility before installation.

Quality Assurance and Warranty

Denso manufactures the 234-5719 Air/Fuel Ratio Sensor to meet stringent quality standards consistent with original equipment. The OE Style product line ensures reliable performance and durability. While specific warranty details are not provided here, Denso parts typically come with manufacturer-backed warranties to support product reliability.