Genuine OEM Volkswagen Automatic Belt Tensioner, part number 03C145299AF. This tensioner automatically adjusts to maintain optimal tension on the accessory drive belt, ensuring that components like the alternator, power steering pump, and air conditioning compressor operate correctly. It is typically mounted on the engine block. Made from robust metal with an internal spring mechanism, this tensioner weighs approximately 0.731 kg. Choosing genuine OEM ensures the correct tensioning force and durability for reliable accessory drive system performance.

Catalogue entry: TENSIONER; If required; 15.

Fitted with: 03C145933A PLY-V-BELT, 03C260849A PLY-V-BELT, 03C903137A PLY-V-BELT, N10623701 BOLT.