This brake caliper is designed for rear left placement on a Volkswagen Passat, Audi A4, or A6 with front-wheel drive. It includes a cast iron piston and a rust preventative finish. The caliper replaces OEM part numbers such as 8E0615423 and is manufactured in China. It is a single piston caliper suitable for non-performance applications, and it comes in a silver color. This product is not a vintage part and is not intended for universal fitment. Exact item is shown. New without original packaging. Item has some wear marks from handling. Made in China. No returns if installed. Please review our business policies in our store for information regarding returns, shipping and warranties. Most items have 30-day returns along with free fast shipping in 1 business day (see details). Message us anytime. Buy from a trusted 16+ year seller!