Genuine VW Crankcase Breather Hose - 037103213B: This is a genuine Volkswagen crankcase breather hose, designed to replace your original part. It fits a variety of Volkswagen models, including the Jetta, Golf, Passat, and Beetle. It is made from high-quality rubber for superior durability and long-lasting performance. This hose helps to reduce oil consumption and engine noise, and is essential for ensuring proper engine operation.