Genuine OEM Audi Belt Tensioner, part number 06L903133D. This critical engine component is responsible for maintaining the correct tension on the engine's accessory drive belt, ensuring efficient and reliable operation of components like the alternator, power steering pump, and air conditioning compressor. Weighing approximately 0.47 kg, this genuine OEM tensioner is manufactured to precise specifications, providing consistent belt tension, reducing wear, and preventing premature belt failure.

Catalogue entry: B TENSIONR.

Fitted with: 06L903143K BRACKET, 06L903143S BRACKET, N91045502 SCREW, N10664801 SCREW, N10765501 SCREW, 06K903133P B TENSIONR, 06K903133AF B TENSIONR, N10766301 SCREW, 06L903137A PLY-V-BELT.