At Nilight, find a high-quality lighting solution for 2004 Chevy Impala Headlights is easy to do. The Chevy Impala is a car that's famous for its durability and long life, and since it's been on the market for many years, there are a lot of high-quality aftermarket parts for this car. Some of the most popular headlight assembly options for the Chevy Impala include direct replacements that look like OEM headlights as well as black-out options from brands like Nilight.