The idler pulley can help enhance drivetrain stability. Part number: Drive belt tensioner: 05184617AD, 5184617AD, 39282, 49484, 89632; Idler pulley: 89056015, 38082; Serpentine belt: 6PK2195, MCA0692, 865K6, 3522263, 53013864AA, 1L5E8620CB, 12569376, 25-060864, 4060865, 5060865, 5301 3905AA, 6K864, 80922 1160, 865K6, K060863, K060864, XL2Z 8620-BA.
