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The M157/ M278 performance 5 piece idler kit , includes all 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 only double metal 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 our 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 the below models and years in the M157/M278 engine only. **** Pic 2 is an engine picture showing location of 5 idlers on a modified M157/M278 engine. Pic 3, if you have a large black round part at the end of your engine cover like in pic3 , then you may have an extra idler from our kit as you will only use 4 idlers in this configuration.
WARNING: Beware of cheap knock off and copies made of inferior parts and bearings. UPD is the original mfg and designer of these USA made and trested parts. 18 years in business and these parts have been tested and proven for over 12 years. We use the best bearings, exacting tolerances and high quality billet aluminum for your AMG/Mercedes!
E63,G63, GL63, CL63, S63 CLS63, ML63,GLS63 G63, E550, G550, CLS550Year2011-2019EngineM157 M278
