Audi B7 RS4 Serpentine Belt Tensioner Idler Rebuild Bearings 079903133AK

RKX Serpentine belt tensioner and idler pulley replacement bearing set

The B7 RS4 Serpentine belt tensioner pully and idler pulley have been discontinued making replacement difficult. We have sourced replacement bearings allowing you to easily rebuild the OEM pullies. The OEM pullies are all metal and extremely durable the typical mode of failure is the bearing. The included bearings are made in Japan by an OEM manufacture. the specs meet or exceed the factory bearings.   

Includes:

2 x Nachi Quest Bearings (made in Japan)

Compatibility:

Audi RS4 4.2L 2007 - 2008