Is your Audi or VW V6 making timing chain noise? This chain tensioner and camshaft adjuster is a high-quality replacement for models with 2.4L, 2.7T, and 2.8L V6 engines. It fits both left and right sides, and the part numbers include 078109087C, 078109088C, and many cross-references like 058109229B, 078109088F, and 15-31798-01. This is a brand-new aftermarket unit made from aluminum and plastic, complete with seals and mounting hardware for a straightforward installation. It's designed to restore proper timing chain tension, reduce engine noise, and prevent premature wear. Ideal for older Audi A4, A6, Allroad, or VW Passat models that still have plenty of life left. Even if you're working on a classic, this part is built to meet OEM specifications. The surface finish is clean and new, ready to bolt on and quiet things down. Don't let a worn tensioner risk your engine's health — swap it out with this reliable adjuster. Suitable for DIY enthusiasts or professional mechanics. Order today and enjoy smoother, quieter engine performance!