Buy OEM 2025 Audi Part # 079109513D (079-109-513-D). Engine Timing Chain Guide (Lower). Cabriolet S4. S4, RS4. Timing Chain - Repair or Replace Your engine's timing chain can stretch over

Engine Timing Chain Guide. Rail.
Guide for the Timing Chain. On Cam Adjuster. Included with: Included With Adjuster Assy.

Engine Timing Chain Guide

Fits RS4, S4, S7

Cabriolet S4. S4, RS4.
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 2025 Audi has high mileage along with any of these other symptoms, contact our service department for expert diagnosis.