Spare parts from FEBI BILSTEIN are reliable and durable, however every consumable has a maximum service life. Car parts such as Valve guide / stem seal / parts from FEBI BILSTEIN are exposed to heavy loads and soiling, and should be exchanged at the intervals specified by the manufacturer of your car. FEBI BILSTEIN produces first-class automotive parts, so you can buy Valve guide / stem seal / parts from FEBI BILSTEIN without hesitation.