Genuine Porsche 99610516400 Engine Timing Chain Guide Rail

The Genuine Porsche 99610516400 is a factory OEM timing chain guide rail designed specifically for cylinders 4-6 (slack side). This precision-engineered component is critical for maintaining proper timing chain alignment and preventing engine damage from chain slap or misalignment in Porsche flat-six engines.

Key Features:

• Genuine Porsche OEM quality ensures exact fitment and durability
• Slack side guide rail for cylinders 4-6
• Manufactured to original equipment specifications
• Essential component during timing chain service or engine rebuild
• Prevents premature timing chain wear and noise

This timing chain guide rail is a VIN-specific part, so verification of proper application is recommended. When replacing timing chain components, it's best practice to inspect all guides, tensioners, and rails for wear. OEM part numbers include 996-105-164-00, 996.105.164.00, and 99610516400.