Dorman

Dorman 904-117 Turbocharger Oil Line - Return

Brand Dorman 904-117
Position Return
Color Silver
Configuration Multi Piece
End 1 Fitting Gender Female
End 2 Fitting Gender Female
Fitting Thread Diameter 0.33 in
Gasket Or Seal Included Yes
Grade Type Regular
Inlet Fitting Type Flanged Bracket
Item Grade Standard Replacement
Length (ft) 0.75 ft
Line Fitting Thread Diameter 0.33
Material Steel
Mounting Hardware Included Yes
Outlet Fitting Type Flanged Bracket
Package Contents 1 Tube; 2 Gaskets; 2 Bolts; 2 Nuts; 2 Studs
Universal Or Specific Fit Specific
Fits Chevrolet and GMC · 16 vehicles

Standard replacement. Matches the fit and function of the original oil line.

Steel construction. Built from quality materials for reliable performance.

Gaskets included. Comes with seals for a complete installation.

Cross-references 97239132 for the same application. See all 1.

$79.21Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $79.21
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 904-117 Turbocharger Oil Line

This Dorman turbocharger oil line is a direct-fit replacement for specified Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 applications. Built from steel with a silver finish, it matches the original part’s fit and function for return-line service on turbocharged diesel trucks.

  • Specific-fit turbocharger oil line for selected GM heavy-duty trucks
  • Steel construction for durable oil transfer routing
  • Flanged bracket inlet and outlet fittings
  • Female end fittings with 0.33 in thread diameter
  • Includes gaskets and mounting hardware for the listed application
  • Standard replacement part for OE-style service

OE-Style Replacement Design

Part number 904-117 is engineered to replace the original turbocharger oil return line on 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500 models. The multi-piece steel construction is built to match the factory routing and connection style, helping restore proper oil return flow from the turbocharger on these heavy-duty diesel applications. If you are sourcing a turbocharger oil line for a Silverado 2500 HD or Sierra 3500, Dorman 904-117 provides a direct replacement option.

This part cross-references 97239132 for the same application.

Common Problems This Part Can Address

  • Oil seepage at the turbocharger return line connection
  • Cracked, corroded, or damaged factory oil line tubing
  • Improper sealing at the turbocharger oil return flange
  • Restricted oil return caused by a worn or bent line
  • Service replacement after turbocharger maintenance on GM HD trucks

Installation Notes and Tips

Verify the vehicle’s year, make, model, and return-line configuration before installation. Clean the mating surfaces thoroughly, replace worn seals, and confirm the flanged bracket connections are seated correctly to help prevent leaks. Because this is a specific-fit turbocharger oil line, compare the original routing and fitting style to the new part before final tightening.

Quality Assurance

Dorman designs this turbocharger oil line to match the fit and function of the original component on the listed vehicles. It is made from quality materials for reliable performance in standard replacement service.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2004ChevroletSilverado 2500 HD6.6LV8DIESELReturn
2004ChevroletSilverado 35006.6LV8DIESELReturn
2004GMCSierra 2500 HD6.6LV8DIESELReturn
2004GMCSierra 35006.6LV8DIESELReturn
2003ChevroletSilverado 2500 HD6.6LV8DIESELReturn
2003ChevroletSilverado 35006.6LV8DIESELReturn
2003GMCSierra 2500 HD6.6LV8DIESELReturn
2003GMCSierra 35006.6LV8DIESELReturn
2002ChevroletSilverado 2500 HD6.6LV8DIESELReturn
2002ChevroletSilverado 35006.6LV8DIESELReturn
2002GMCSierra 2500 HD6.6LV8DIESELReturn
2002GMCSierra 35006.6LV8DIESELReturn
2001ChevroletSilverado 2500 HD6.6LV8DIESELReturn
2001ChevroletSilverado 35006.6LV8DIESELReturn
2001GMCSierra 2500 HD6.6LV8DIESELReturn
2001GMCSierra 35006.6LV8DIESELReturn
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
97239132