The timing chain guide rail 079109469AC is mainly suitable for certain Audi models, including the A4 quattro, A5, A5 quattro, A6, A6 quattro, A7 quattro, A8 quattro, Q5, Q7, R8, S4, S5, S6, S7, S8, and SQ5. These models cover various types such as sedans and SUVs, with different engine displacements and configurations, such as the 5.2L V10 engine in the 2020 Audi R8 Spyder convertible, the 3.0L V6 supercharged engine in the 2017 Audi Q5, and the 4.0L V8 turbocharged engine in the 2016 Audi S6.
Its main function is to support and guide the engine's timing chain, ensuring it maintains the correct tension and position during operation to prevent skipping or loosening. Specific roles include:
• Positioning the timing chain: Maintains precise engagement between the chain and drive components such as the crankshaft and camshaft, ensuring accurate valve timing.
• Reducing chain vibration and noise: Supports the chain to minimize 抖动 and friction noise during high-speed operation.
• Extending chain service life: Reduces additional wear caused by chain 摆动,enhancing the stability and durability of the entire timing system.
• Ensuring normal engine operation: The precise transmission of the timing chain directly affects the engine's intake and exhaust timing; any deviation can lead to reduced performance or even engine damage.

Boigevis trading （GuangZhou）Co., Ltd is a company specializing in the sale of engine parts. Our main service models are Germany car.
We have been focus on engine parts for many years and are the Leading global engine system integrator. Both research and development and sales are among the best in domestic counterparts and enjoy a good reputation in the industry. We have an international high-level management system and after-sales service system, as well as a professional team service, serving every customer one-on-one. Since its establishment, the company has always adhered to customer-centered technology development; the corporate philosophy of continuous innovation; and the corporate mission of making maintenance easier and employees happier.
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Our products are sold to more than 40 countries and regions. Such as Europe, Asia, Africa,South America, North America and Australia etc. It is a stable product supplier for more than 120 foreign trade companies. As a professlonal engine parts suppliers, most of our parts are in stock that we can deliver within 24 hours after payment! In addition, we can provide customized services for product materlals and specifications. Sincerely look forward to working with you to create a better tomorrow.