You are buying the clutch disc you see in the picture. This is an OEM Mercedes Benz 430mm clutch disk for a heavy duty truck. This one has gotten wet so it has some rust but it has never been used or installed. Mercedes Benz PN# 019250540380 Sachs PN# 1862519309 Made in Germany high quality part. Suppose to fit Mercedes Benz trucks Actros Atego and Axor Save some $$$ here on this one!!! R2B3 11996