Genuine OEM Audi Alternator Poly-V-Belt, part number 03L903137D. This essential component is responsible for driving the alternator and various other engine accessories, ensuring their proper function. It is a multi-ribbed belt made from durable rubber, measuring approximately 1.079 meters in length. Using a genuine OEM poly-V-belt guarantees the correct material composition, rib profile, and tensioning characteristics, which are critical for long service life and preventing premature wear or failure of driven components.

Catalogue entry: PLY-V-BELT 21.18X1079MM; for vehicles with no air.

Fitted with: 03L903139J BRACKET, N91182402 BOLT, N10699601 BOLT, N10514503 BOLT, N10610001 BOLT, 038903315AN TENSIONER, 038903315AP TENSIONER, N10640801 BOLT, 03G145276 ROLLER, 03L145276C ROLLER, N10651701 SCREW, 03G145291 Protective cap.