The Audi A4 Automatic 4×4 Gearbox (CDN) is a high-quality all-wheel-drive transmission system engineered to deliver smooth gear changes, reliable performance, and excellent driving stability. Designed for Audi A4 models equipped with Quattro 4×4 drivetrain technology and the CDN engine platform, this automatic gearbox provides refined power transfer, improved traction, and comfortable everyday driving across various road conditions.
Built with advanced German engineering, the transmission is designed to handle the power and torque characteristics of Audi turbocharged petrol engines while maintaining efficient operation and smooth shifting performance. The automatic gearbox system offers responsive acceleration, seamless gear transitions, and enhanced driving comfort for both city driving and long-distance travel.
The Quattro 4×4 drivetrain setup improves vehicle stability, road grip, and control during wet, slippery, or uneven driving conditions, making it ideal for drivers seeking added confidence and performance. Manufactured with durable internal components and precision-engineered transmission systems, the CDN automatic gearbox is designed for long-term reliability and dependable operation.
This gearbox is suitable for replacement installations, workshop repairs, and vehicle rebuild projects requiring a compatible Audi A4 automatic transmission with 4×4 capability. It remains a trusted option for maintaining original Audi driving performance and drivetrain reliability.





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