HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsSKP SK904122 Fuel Injector Line - Return (Right)
Part #: SK904122

SKP SK904122 Fuel Injector Line - Return (Right)

Return (Right)
32 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, and Silverado 3500 HD
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Fuel Injector Line for GM HD Diesel Applications

The SKP SK904122 fuel injector line is built for direct replacement on select Chevrolet Silverado HD and GMC Sierra HD diesel trucks. It is manufactured to meet or exceed OE specifications for fit and fuel delivery performance, with materials selected to handle high-pressure operation and resist cracking or leaking.

Compatible With 2004-2010 Chevrolet Silverado 2500 HD, Return (Right); 2007-2010 Chevrolet Silverado 3500 HD, Return (Right); and other listed Silverado and Sierra HD applications. The SK904122 is also a fitment match for 2007 Chevrolet Silverado 2500 HD Classic and 2007 GMC Sierra 3500 Classic return-side service.

Key Features

  • Direct replacement fuel injector line for select GM heavy-duty trucks
  • Built to OE specifications for fit and fuel system performance
  • Durable construction helps resist cracking and fuel leakage
  • Designed for high-pressure diesel fuel delivery
  • Supports a clean, hassle-free installation on the correct return-side application
  • Cross-references Dorman - OE Solutions 904-122 for the same application

Detailed Description

SKP SK904122 is a fuel injector line for the return (right) side on select Chevrolet Silverado HD and GMC Sierra HD models. It is intended for diesel fuel system service where a precise line fit and reliable sealing are important to maintaining consistent engine operation. This part cross-references Dorman - OE Solutions 904-122 for the same application. The SK904122 is a practical replacement choice for Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD trucks within the listed model years.

What It Helps Address

  • Fuel seepage from a cracked or leaking injector line
  • Hard starting caused by compromised fuel delivery
  • Rough running from inconsistent injector supply pressure
  • Visible corrosion or wear on the original return line
  • Service issues on the right-side return injector line

Installation Notes and Tips

Verify the vehicle year, model, and return (right) position before installation. Clean the surrounding fuel system area before removing the original line, and inspect adjacent fittings and injector connections for wear or damage. Confirm the replacement line seats correctly and follows the original routing for the listed Chevrolet Silverado HD and GMC Sierra HD applications.

Quality Assurance

SKP manufactures this fuel injector line to meet or exceed OE specifications for fit and performance. The SK904122 is engineered for dependable service in high-pressure diesel fuel systems on the specified GM truck applications.

This part fits 32 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2010ChevroletSilverado 2500 HDAutomatic6.6LV8Return (Right)
2010ChevroletSilverado 3500 HDAutomatic6.6LV8Return (Right)
2010GMCSierra 2500 HDAutomatic6.6LV8Return (Right)
2010GMCSierra 3500 HDAutomatic6.6LV8Return (Right)
2009ChevroletSilverado 2500 HDAutomatic6.6LV8Return (Right)
2009ChevroletSilverado 3500 HDAutomatic6.6LV8Return (Right)
2009GMCSierra 2500 HDAutomatic6.6LV8Return (Right)
2009GMCSierra 3500 HDAutomatic6.6LV8Return (Right)
2008ChevroletSilverado 2500 HD6.6LV8Return (Right)
2008ChevroletSilverado 3500 HD6.6LV8Return (Right)
2008GMCSierra 2500 HD6.6LV8Return (Right)
2008GMCSierra 3500 HD6.6LV8Return (Right)
2007ChevroletSilverado 2500 HD6.6LV8Return (Right)
2007ChevroletSilverado 2500 HD ClassicAutomatic6.6LV8Return (Right)
2007ChevroletSilverado 3500 ClassicAutomatic6.6LV8Return (Right)
2007ChevroletSilverado 3500 HD6.6LV8Return (Right)
2007GMCSierra 2500 HD6.6LV8Return (Right)
2007GMCSierra 2500 HD ClassicAutomatic6.6LV8Return (Right)
2007GMCSierra 3500 ClassicAutomatic6.6LV8Return (Right)
2007GMCSierra 3500 HD6.6LV8Return (Right)
2006ChevroletSilverado 2500 HD6.6LV8Return (Right)
2006ChevroletSilverado 35006.6LV8Return (Right)
2006GMCSierra 2500 HD6.6LV8Return (Right)
2006GMCSierra 35006.6LV8Return (Right)
2005ChevroletSilverado 2500 HD6.6LV8Return (Right)
2005ChevroletSilverado 35006.6LV8Return (Right)
2005GMCSierra 2500 HD6.6LV8Return (Right)
2005GMCSierra 35006.6LV8Return (Right)
2004ChevroletSilverado 2500 HD6.6LV8Return (Right)
2004ChevroletSilverado 35006.6LV8Return (Right)
2004GMCSierra 2500 HD6.6LV8Return (Right)
2004GMCSierra 35006.6LV8Return (Right)

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

904-12290412297328733

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.