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520734Accessory Drive Belt Tensioner Pulley
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APDTY 520734 Idler Pulley


  • Brand New APDTY 520734 Idler Pulley
  • Match Vehicle To Compatibility Chart To Ensure Exact Fitment
  • Compatible With 2001-2010 Chevy Silverado 2500HD & 3500
  • Compatible With 2006-2010 Chevy Express 2500 & 3500 GMC Sierra 2500HD & 3500
  • Compatible With 2006-2010 GMC Savana 2500 & 3500
  • For the V8 400 6.6L Engine
  • 76.2 mm Outside Diameter
  • Smooth Pulley, Serpentine Belt Type
  • Replaces OEM Part Number(s) 98072072
  • See Buyers Guide for compatibility
Make Model Qualifiers Year
Chevrolet C4500 Kodiak
  • Position: Serpentine
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2003-2009
Chevrolet C4500 Kodiak
  • Position: Serpentine
  • All Configurations
 2003-2009
Chevrolet C5500 Kodiak
  • Position: Serpentine
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2003-2009
Chevrolet C5500 Kodiak
  • Position: Serpentine
  • All Configurations
 2003-2009
Chevrolet Express 1500
  • Position: Serpentine
  • All Configurations
 2009-2014
Chevrolet Express 2500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2006-2013
Chevrolet Express 3500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2006-2013
Chevrolet Express 4500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2010-2012
Chevrolet Express 4500
  • Position: Left
  • 6.6L V8 6599cc 403ci
 2013
Chevrolet Silverado 1500
  • Position: Serpentine
  • All Configurations
 2001-2015
Chevrolet Silverado 2500
  • Position: Serpentine
  • All Configurations
 2014-2015
Chevrolet Silverado 2500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2001-2013
Chevrolet Silverado 2500 HD
  • Position: Serpentine
  • All Configurations
 2014-2015
Chevrolet Silverado 3500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2001-2006
Chevrolet Silverado 3500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2007, 2009-2013
Chevrolet Silverado 3500 HD
  • Position: Serpentine
  • All Configurations
 2014-2015
GMC C4500 Topkick
  • Position: Serpentine
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2003-2009
GMC C4500 Topkick
  • Position: Serpentine
  • All Configurations
 2003-2009
GMC C5500 Topkick
  • Position: Serpentine
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2003-2009
GMC C5500 Topkick
  • Position: Serpentine
  • All Configurations
 2003-2009
GMC Savana 1500
  • Position: Serpentine
  • All Configurations
 2009-2013
GMC Savana 2500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2006-2013
GMC Savana 3500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2006-2013
GMC Savana 4500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2010-2012
GMC Savana 4500
  • Position: Left
  • 6.6L V8 6599cc 403ci
 2013
GMC Sierra 1500
  • Position: Serpentine
  • All Configurations
 2001-2008, 2010-2015
GMC Sierra 2500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2001-2013
GMC Sierra 2500 HD
  • Position: Serpentine
  • All Configurations
 2014-2015
GMC Sierra 3500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2001-2006
GMC Sierra 3500 Classic
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2007
GMC Sierra 3500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2009-2013
GMC Sierra 3500 HD
  • Position: Serpentine
  • All Configurations
 2014-2015
Workhorse LF72
  • Position: Smooth Pulley
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2005-2011
Workhorse R26
  • Position: Smooth Pulley
  • DIESEL
 2009
Workhorse Custom Chassis P42
  • Position: Smooth Pulley
  • 6.6L V8 6599cc 403ci
  • DIESEL
 2005