Replace Audi A4 Engine Price. Shop Audi A4 Engine Parts & Audi A4 Engine Get Audi A4 Vehicle Engine Parts. Find Audi A4 Engine Drive Belt Replacement. Maintaining your Audi A4’s engine is crucial for performance and longevity. Regular oil changes, using premium fuel, and timely replacement of air filters can extend engine life. Look out for power loss or unusual noises, as these are tell-tale signs that a replacement might be necessary. When selecting a new engine, consider the Tfsi and TDI variants for their fuel efficiency and robust performance. Each engine is crafted with high-quality materials and designed for seamless integration with your A4, ensuring a blend of power and sophistication. Follow installation guidelines closely to ensure optimal function and take advantage of our easy-to-navigate online store for a hassle-free upgrade experience.