Mini Idler Pulley M113K AMG | E55 SL55 CL55 CLS55 S55 G55 Upgrade

Mini Idler Pulley for Mercedes M113K AMG – Reduce Slip & Maintain Boost

Upgrade your M113K AMG belt drive system with this precision-engineered Mini Idler Pulley. Designed to increase belt wrap on the supercharger pulley, it helps reduce slip and maintain consistent boost—improving reliability and performance under high-load conditions.

Key Features

• CNC Billet Aluminum: Machined from high-grade billet for strength, durability, and heat resistance.
• High-Speed Bearings: ZZ-rated Nachi bearings for quiet, smooth, long-life operation.
• Improved Belt Grip: Increases contact area to minimize slip at high RPM and under hard acceleration.
• Compatible with Smaller SC Pulleys: Works perfectly with upgraded supercharger pulleys to ensure optimal belt contact.
• Direct Bolt-On: OEM-style fit and alignment; no modifications required.
• Made in the USA by ASP: Premium materials and craftsmanship.

Why Upgrade?

The factory M113K belt path can experience slip when boost is increased or belts age. This Mini Idler Pulley adds tension and wrap on the supercharger drive, stabilizing boost, sharpening throttle response, and reducing belt dust—an essential reliability and performance upgrade for tuned AMGs.

Fitment

• Mercedes-Benz E55 AMG (2003–2006)
• Mercedes-Benz SL55 AMG (2003–2008)
• Mercedes-Benz CLS55 AMG (2005–2006)
• Mercedes-Benz CL55 AMG (2003–2006)
• Mercedes-Benz S55 AMG (2003–2006)
• Mercedes-Benz G55 AMG (2004–2012)

Performance Benefits

By increasing belt wrap and stabilizing the drive system, this pulley helps your supercharged M113K maintain target boost, deliver smoother acceleration, and improve long-term reliability—whether stock or pulley-upgraded.