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737221HVAC Heater Hose Assembly
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APDTY 737221 Heater Hose Outlet Pipe & Hose Assembly Fits 6.6L Duramax Diesel


  • Brand New HVAC Heater Hose Assembly
  • Allows Replacement of the Original Engine Heater Hose
  • Fits 2001-2004 Chevrolet Silverado 2500 HD
  • Fits 2001-2004 Chevrolet Silverado 3500
  • Fits 2001-2004 GMC Sierra 2500 HD
  • Fits 2001-2004 GMC Sierra 3500
  • Replaces 15768212
  • Match Vehicle to Compatibility Chart to Ensure Exact Fitment on Your Specific Model
  • See Buyers Guide for compatibility
Make Model Qualifiers Year
Chevrolet Silverado 2500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2001-2004
Chevrolet Silverado 3500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2001-2004
GMC Sierra 2500 HD
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2001-2004
GMC Sierra 3500
  • Position: N/A
  • 6.6L V8 6599cc 403ci
 2001-2004