Dorman Idler Pulley For 2001-2016 Gm 6.6L Duramax 419-623
The Dorman 419-623 Idler Pulley for your 2001-2016 GM 6.6L Duramax is engineered to route the serpentine belt for proper alignment with the accessory drive belt, thereby keeping the alternator charging, the water pump running, and the power steering pump and A/C compressor operating properly. Dorman Idler Pulleys feature a high-quality double-sealed bearing to resist damage from contaminants.
Features:
- Direct Fit
- Stops Squeaks & Other Noises
- Replaces GM Part# 98072072