Buy 2011 Audi S4 Base Sedan Engine Timing Chain Tensioner. A4 Cabriolet; Lower; Right. A4; Center - OEM Audi Part # 06E109507D (06E-109-507-D, 06E109507C)

Engine Timing Chain Tensioner.
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. Oil Pump.

Engine Timing Chain Tensioner

A4 Cabriolet; Lower; Right. A4; Center; Lower. A4; Lower; Left. A5; Lower; Left. A6. A7. Q5; Lower; Left. S4. S5; Lower; Left. SQ5; Lower; Left. Touareg Hybrid.