Dorman 904-743 Exhaust Gas Temperature (EGT) Sensor - After Particulate Filter or End of Particulate Filter

Overview of the Dorman 904-743 Exhaust Gas Temperature Sensor

The Dorman 904-743 Exhaust Gas Temperature (EGT) Sensor is designed specifically for Audi Q7 and Volkswagen Touareg models. This sensor plays a critical role in monitoring exhaust temperatures to ensure optimal engine performance and emissions control.

• Wiring harness length: 1290 mm for precise installation
• Orange connector color with an irregular shape for secure connection
• Single wire with two terminals (male blade type) for accurate signal transmission
• Thread diameter of 14 mm with a 1.5 mm pitch for proper fitment
• Straight angle design with a male nut thread for straightforward mounting
• Package includes 1 EGT sensor, 1 bung repair kit, and 1 zip tie
• Specific fitment for Audi Q7 and Volkswagen Touareg models

Detailed Product Description

The Dorman 904-743 EGT sensor is engineered to provide precise exhaust gas temperature readings, which are essential for maintaining emission standards and protecting engine components. Featuring a 1290 mm wiring harness, this sensor allows for flexible routing within the engine bay. The orange connector with an irregular shape ensures a secure and reliable connection, minimizing the risk of disconnection or signal loss. The sensor’s two male blade terminals facilitate consistent electrical contact, while the 14 mm thread diameter and 1.5 mm pitch guarantee compatibility with the designated vehicle models. Its straight angle design simplifies installation and integration with the exhaust system.

Common Applications and Issues Addressed

• Helps prevent engine overheating by monitoring exhaust temperatures
• Supports emission control systems to reduce harmful exhaust gases
• Detects potential exhaust leaks or sensor malfunctions
• Assists in maintaining optimal fuel efficiency
• Prevents damage to turbochargers and catalytic converters

Installation Notes and Tips

When installing the Dorman 904-743 sensor on Audi Q7 or Volkswagen Touareg vehicles, ensure the wiring harness is routed away from high-heat areas to avoid damage. Use the included bung repair kit to secure the sensor properly in the exhaust system. Confirm the connector’s irregular shape aligns correctly with the vehicle’s wiring harness to prevent improper connections. Tighten the sensor using the 14 mm thread diameter and 1.5 mm pitch specifications to avoid leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 904-743 Exhaust Gas Temperature Sensor undergoes rigorous quality control testing to maintain consistent accuracy and fitment. This product is backed by Dorman’s standard warranty, providing coverage against defects in materials and workmanship.