Genuine 0039901612 Belt Tensioner Bolt

Belt Tensioner Bolt for Mercedes-Benz AMG

This Genuine belt tensioner bolt is a direct-fit hardware component for select Mercedes-Benz AMG applications. It is specified for belt tensioner assemblies used on high-performance V8 models, including Mercedes-Benz G55 AMG, SL55 AMG, CL55 AMG, CLS55 AMG, E55 AMG, and S55 AMG.

• Genuine OE-style replacement part
• Part number: 0039901612
• Used with belt tensioner 112 200 09 70 and 113 200 01 70
• Fits select Mercedes-Benz AMG models from 2003-2011
• Supports proper belt tensioner mounting in the accessory drive system

Fitment Details

• Fits 2005-2011 Mercedes-Benz G55 AMG, N/A; for belt tensioner 112 200 09 70; for belt tensioner 113 200 01 70
• Fits 2003-2008 Mercedes-Benz SL55 AMG, N/A; for belt tensioner 112 200 09 70; for belt tensioner 113 200 01 70
• Fits 2003-2006 Mercedes-Benz CL55 AMG, N/A; for belt tensioner 112 200 09 70; for belt tensioner 113 200 01 70
• Fits 2006 Mercedes-Benz CLS55 AMG, N/A; for belt tensioner 112 200 09 70; for belt tensioner 113 200 01 70
• Fits 2003-2006 Mercedes-Benz E55 AMG, N/A; for belt tensioner 112 200 09 70; for belt tensioner 113 200 01 70
• Fits 2003-2006 Mercedes-Benz S55 AMG, N/A; for belt tensioner 112 200 09 70; for belt tensioner 113 200 01 70

What This Part Helps Address

• Loose or unstable belt tensioner mounting
• Noise from worn accessory drive hardware
• Improper alignment at the belt tensioner attachment point
• Service replacement for damaged or missing tensioner bolt hardware

Installation Notes

Verify the belt tensioner part number before installation to confirm the correct application for your Mercedes-Benz AMG model. Match the bolt to the specified tensioner assembly and inspect the mounting threads and surrounding hardware for wear or damage during service. Part number 0039901612 should be installed according to the vehicle service procedure for the accessory drive system.

Quality Assurance

Genuine parts are built to OE specifications for the listed Mercedes-Benz AMG applications. This part cross-references OE belt tensioner applications for the same vehicle fitment, including 112 200 09 70 and 113 200 01 70.