Buy 2005 Audi A6 4.2L V8 A/T Quattro Base Sedan Engine Timing Chain Guide (Upper). Allroad; Upper Center, Vin, Along - OEM Audi Part # 079109469AD (079-109-469-AD)

Engine Timing Chain Guide. Guide rail. Track.
Crank to Idler. From Chassis/VIN 4B-4-075-001. Guide for the Timing Chain.

Fits A6, allroad, RS4, S4

Allroad; Upper. Cabriolet S4; Center; Upper. S4, RS4; Center; Upper; From Vin 8E4200001.
Timing Chain - Repair or Replace
Your engine's timing chain can stretch over time resulting in a check engine light that comes along with excessive noise from your engine's timing cover. If the chain has broken, which is a rare occurrence, the engine will not start. If your 2005 Audi A6 has high mileage along with any of these other symptoms, contact our service department for expert diagnosis.