Chain Guide. Engine Timing Chain Tensioner. Tensioner Rail.
2.8 LITER, 6 Cylinder. 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. Crank to Idler.

Engine Timing Chain Tensioner

2.8 LITER, 6 CYLINDER, lower. 3.2 LITER, lower. A3; Lower. CC; Secondary; Lower. Eos; Lower. Eurovan; Lower. Golf, GTI; Lower. GTI; Lower. Jetta; Lower. Passat; Lower. Passat; Secondary; Lower. Q7; Lower. R32; Lower. R32; Lower; Right. Touareg; 3.2L, 3.6L; Lower. Touareg; Crank To Intermed. Shaft. TT; Left. TT; Lower.