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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: DOR419-623 Manufacturer Sku #: 419-623
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$34.95
2001 - 2016 Chevy Silverado 2500
2001 - 2016 Chevy Silverado 3500
2001 - 2016 GMC Sierra 2500
2001 - 2016 GMC Sierra 3500
Product Name: Dorman Products Idler Pulley Pulley Only 2001-2016 GMC Duramax Silverado/Sierra 2500HD/3500HD 6.6L Manufacturer: Dorman Products Manufacturer Part #: 419-623 Thoroughbred Diesel Part #: DOR419-623
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.