Pulleys and Serpentine Belt Replacement How-to on 2007-2011 JK / JKU
https://youtu.be/42lw_JY5Z8AReplacing the Idler Pulley, Tensioner Pulley and Serpentine Belt on a 2007-2011 Jeep JK or JKU
With A/C
Serpentine Belt - PN: K060900
Tensioner w/Pulley - PN: 39269
Idler Pulley - PN: 38018
No A/C
Serpentine Belt - PN: K060822
Tensioner w/Pulley - PN: 39269
Idler Pulley - PN: 36157