Ignition Coil Pack for Audi - A4 A6 QUATTRO - Volkswagen - PASSAT - V6 2.8L Compatible with C1171 UF-256 UF256 Please use the year/make/model drop down bar and interchangeable part numbers to confirm compatibility. Our replacement ignition coils are easy to install with the highest quality copper. Each coil is design for specific application, low-emissions, and high energy output. Our products are tested and meet or exceed OEM performance requirements. There is 1 year warranty for each purchase. Before to buy, please make sure the Logo and Brand packaging. Compatible with OEM numbers:UF256,E510A,5C1046,078905104,078905104A,E881,55-1882,IC381,88921391,UF-256,078905104,C1171