Dorman 740-492 Front Driver Side Replacement Power Window Regulator for Audi A6/S6 Engineered improvements enhance performance Quality tested to ensure trouble free installation, performance, and durability Plug & Play  No wire splicing necessary Engineered improvements enhance performance Quality tested to ensure trouble free installation, performance, and durability Plug and Play - no wire splicing necessary OE: 4A0 837 461B, 4A0837461A