iwis 0039971794 Timing Chain for Mercedes-Benz

The iwis 0039971794 timing chain is a precision-engineered replacement component designed for Mercedes-Benz engines. This OEM-equivalent timing chain replaces Mercedes part number 003 997 17 94 (0039971794) and maintains the critical synchronization between the crankshaft and camshaft for proper engine timing and valve operation.

Key Features:

• Manufactured by iwis, a leading German OEM supplier of timing drive systems
• Precision roller chain design for reduced friction and extended service life
• Heat-treated steel construction for superior strength and wear resistance
• Exact OEM specifications to ensure proper fit and function
• Direct replacement for Mercedes-Benz part number 003 997 17 94

iwis timing chains are engineered to meet or exceed original equipment standards, providing reliable performance and durability. This component is critical for maintaining proper engine timing and preventing catastrophic engine damage from timing chain failure. Professional installation is recommended along with replacement of related timing components such as guides, tensioners, and sprockets.