The 'BOUT BEV.KOPP.HUIS ALS ORG. Citroen 11CV 11D' refers to an original fastening bolt for the clutch housing of the classic Citroen 11CV, specifically the 11D model. This bolt is essential for the secure attachment of the clutch to the car's body, ensuring the proper transfer of power from the engine to the transmission. It guarantees stability and durability when the vehicle is in motion. Using original parts like this ensures that the Citroen retains its authentic performance and reliability, which is crucial for enthusiasts and collectors of classic cars.