Dorman 904-122 | Fuel Injector Line

Part Number
Right Diesel Return Line

Fits: 04-07 Chevrolet C4500 Kodiak, 04-07 Chevrolet C5500 Kodiak, 04-10 Chevrolet Silverado 2500 HD, 04-06 Chevrolet Silverado 3500, 04-07 GMC C4500 Topkick, 04-07 GMC C5500 Topkick, 04-10 GMC Sierra 2500 HD, 04-06 GMC Sierra 3500, 07 Chevrolet Silverado 2500 HD Classic, 07 Chevrolet Silverado 3500 Classic, 07-10 Chevrolet Silverado 3500 HD, 07 GMC Sierra 2500 HD Classic, 07 GMC Sierra 3500 Classic, 07-10 GMC Sierra 3500 HD

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This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation.

BRAND: Dorman - OE Solutions


  • Right Diesel Return Line
  • Robust materials - manufactured with a material-hardening process to ensure lines withstand high pressure during engine operation
  • Fuel, Injector, Line, Lines, Injectors, Injection
  • Chevrolet 2010-04, GMC 2010-04
  • Critical fix - because all fuel injectors lines have a one-time-use, crushable seal, replacement of entire line is necessary for optimal seal
  • Direct replacement - this fuel injector line is engineered to match the original fuel injector line on specified vehicles
  • Cost-effective solution - part is quality-tested and less expensive than getting replacement from dealership


Fitting Inlet GenderMale
Fitting MaterialPlastic
Fitting Outlet GenderFemale
Fitting Quantity1
Gauge PortNo
Hose/Line Maximum Pressure (psi)40000
Hose/Line Quantity1
Inlet Quantity1
Inside Diameter0.117
Outlet Quantity2
Outside Diameter0.313
Package ContentsFuel Feed Line and 4 Injector Clips
Wall Thickness (in)0.196 in



  • General Motors: 97328733


  • 2007-2007 GMC Sierra 2500 HD Classic - Position: Return (Right)
  • 2004-2007 GMC C4500 Topkick - Position: Return (Right)
  • 2004-2007 GMC C5500 Topkick - Position: Return (Right)
  • 2004-2006 GMC Sierra 3500 - Position: Return (Right)
  • 2007-2007 GMC Sierra 3500 Classic - Position: Return (Right)
  • 2004-2006 Chevrolet Silverado 3500 - Position: Return (Right)
  • 2007-2010 Chevrolet Silverado 3500 HD - Position: Return (Right)
  • 2004-2007 Chevrolet C5500 Kodiak - Position: Return (Right)
  • 2004-2010 GMC Sierra 2500 HD - Position: Return (Right)
  • 2007-2007 Chevrolet Silverado 3500 Classic - Position: Return (Right)
  • 2007-2007 Chevrolet Silverado 2500 HD Classic - Position: Return (Right)
  • 2007-2010 GMC Sierra 3500 HD - Position: Return (Right)
  • 2004-2007 Chevrolet C4500 Kodiak - Position: Return (Right)
  • 2004-2010 Chevrolet Silverado 2500 HD - Position: Return (Right)
Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
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