Shop Audi A5 Engine Timing Chain Tensioner. 2.8 LITER, 6 CYLINDER, upper. 3.2 LITER, upper. A3. Eos Upper, CAMSHAFT, TT - OEM Audi Part # 066109509A (066-109-509-A)

Engine Timing Chain Tensioner. Tensioner Rail.
An oil pressurized Tensioner that keeps the Chain that runs from the crankshaft to camshaft or the Chain that runs from camshaft to camshaft, from becoming loose and jumping a tooth or more causing Engine damage or out of sync crankshaft to camshaft Timing. Idler to Cam.

Engine Timing Chain Tensioner

2.8 LITER, 6 CYLINDER, upper. 3.2 LITER, upper. A3. Eos. Eurovan. GTI; Upper. Jetta; Upper. R32. Touareg; 3.2L. TT. TT; Right.