Genuine OEM Volkswagen Air Filter Lock Bar, part number 7E0129788. This component is designed to securely fasten the air filter housing, maintaining an airtight seal for optimal engine air filtration. It is installed within the intake system assembly. Made from durable plastic, this lightweight bar weighs only 0.011 kg. Using a genuine OEM lock bar ensures precise fitment and reliable retention, preventing unfiltered air from entering the engine and protecting against premature wear.