Find Audi A4 Serpentine Belt & Audi A4 V Belt. Shop Audi A4 Serpentine Belt Replacement. Discover Audi A4 Accessory Belts In Canada. Browse Audi A4 Drive Belts Replacement. Maintaining the drive belts of your Audi A4 is crucial for ensuring the smooth operation of essential components like the alternator and water pump. Regular inspection for cracks, fraying, or glazing can signal the need for a timely replacement, thereby avoiding costly breakdowns. To enhance the lifespan, opt for belts made from durable, heat-resistant materials and consider poly-v belts for their superior grip and reduced slippage. When selecting a replacement belt, ensure compatibility with your A4 model and trust in OEM-quality parts for a reliable fit. Proper tensioning during installation will further ensure optimal performance and longevity, making these belts a smart and necessary investment for your Audi A4's maintenance routine.