AMG Double idler pulley set E55, SL55, CL55, S55 1132020419 M113K

Description

Designed with special long cooling slots to keep bearings and pulley`s cool , plus help protect your investment. Slotted idlers allow more air flow and known to run quieter than small round hole idlers.
The UPD M113K performance 2 piece idler kit. Includes both double pulleys needed to replace the factory plastic idlers on your performance AMG with a high quality CNC billet aluminum machined performance pulley set. High quality Nachi bearings are used and double  bearings seals are used to protect bearings from heat and dirt. All our billet performance idlers have a ultra hard anodized coating. *
CNC Billet hard anodized coated *ZZ rated high speed Nachi bearings
Smooth quiet running * Easy install
Made in USA and highest quality available
Replace your idlers with UPD`s performance idler set today, as the stock AMG plastic idlers, with rubber bearing seals, are known to fail from the high heat and dirty conditions under the hood.
Fits all M113K engines form 2003-2008 in the AMG E55, CLS55, CL55, S55, SL55, G55
WARNING: Beware of cheap knock off and copies made of inferior parts, and bearings. Round hole idlers are known to make more noise in our industry and we call them whistling idlers!!  UPD is the original mfg and designer of these USA made and tested parts. 18 years in business and these parts have been tested and proven for over 10 years now. We use the best bearings, exacting tolerances and high quality billet aluminum for your AMG/Mercedes!
MADE in USA / Texas.