The Rein Crankcase Breather Hose - ABV0100R is a high-quality replacement hose designed for use in automotive engines. This hose is responsible for venting excess pressure and gases from the crankcase, helping to maintain proper engine function and prevent damage. It is made from durable materials and is built to withstand extreme temperatures and harsh conditions. This hose is compatible with a variety of vehicle makes and models and is a reliable choice for any engine maintenance or repair needs.