Products Showing Parts for — {{ }}

No Results Showing Parts for — {{ }}
USD 75.95
Part #: DOR904-128

Dorman 904-128 Fuel Injection Line (Cylinders 3 & 6)

2001-2004 GM 6.6L Duramax LB7
Part #: DOR904-128
Buy now, pay later using Affirm Logo during checkout.
Our Recommendations Compatible Products
Scroll to View More


The Dorman 904-128 Fuel Injection Line is a direct replacement for your 2001-2004 GM 6.6L Duramax LB7. The factory lines are commonly contaminated with corrosion and other debris that can cause leaks and also damage your new injector internals. Dorman’s Fuel Injector Lines restore proper operation of the fuel injection system and eliminates the risk associated with reusing old lines.

  • Sold Individually 
  • Direct Replacement
  • Fits Cylinders 3 & 6 
  • Replaces GM OE Part# 97188721
Fitting Inlet Thread Size: M14-1.50
Fitting Inlet Thread Type: Metric Fine
Fitting Material: Stainless Steel
Fitting Outlet Thread Size: M14-1.50
Fitting Outlet Thread Type: Metric Fine
Hose/Line Length (In): 10 In.
Hose/Line Maximum Pressure (psi): 40000
Inside Diameter (in): 0.117 In.
Line Material: Stainless Steel
Outside Diameter (In): 0.313 In.
Overall Length (In): 10 In.
Wall Thickness (in): 0.196 In.

Vehicle Applications

2001 Chevy 6.6L LB7 Duramax
2002 Chevy 6.6L LB7 Duramax
2003 Chevy 6.6L LB7 Duramax
2004 Chevy 6.6L LB7 Duramax
2001 GMC 6.6L LB7 Duramax
2002 GMC 6.6L LB7 Duramax
2003 GMC 6.6L LB7 Duramax
2004 GMC 6.6L LB7 Duramax


  • MFG. Number 904-128
  • Manufacturer Name Dorman
  • Shipping Weight 1.00 lb.
  • Shipping Length 7 in.
  • Shipping Width 4 in.
  • Shipping Height 3 in.
  • Fuel Type Diesel
  • UPC 019495438861
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Cross Reference # 7007, 97188721, DIL2, SK902008
  • Internal L3.00R0.00


No Reviews Yet!

Write a Review

Include Your Order Number For a Chance to Win a $100 Gift card

Overall Rating

Your Information

Email Address will not be made public.

Questions and Answers

No questions about this product. Be the first to ask a question!

Ask a question about this product

Please allow up to 1 business day for reply.

More to Consider

Recently Viewed