Doing a timing chain job on your VW or Audi with a 1.8T engine? This is a complete kit that includes everything you need: a new chain tensioner (camshaft adjuster), the timing chain itself, a seal/gasket set, and a valve cover gasket set. The main OEM reference number is 058109088K. Fits a ton of engine codes: AGU, AEB, AWM, BAM, and many more from the late 90s and early 2000s. Brand is OE Quality, meaning it matches original equipment standards. Comes with a 2-year warranty. EAN is 6226685495335. This is a common service item for these engines to prevent timing-related failures. If you're hearing rattling on startup or have high mileage, this kit can save your engine. A comprehensive solution for a DIY mechanic or shop.