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01-04 GM LB7 6.6L Duramax DMAXStore Stainless Steel High Pressure Injector Lines (Set of 8)

LB7 High Pressure Injector Lines (Set Of 8)

Fits 2001-2004 Chevy/GMC 2500/3500 HD

Part# DMAX720123

Brand New High Quality Stainless Steel Injector Lines resist the corrosion that is prone to happening on the OE parts. It is always a good idea to replace the high pressure fuel lines when replacing your injectors. New lines will help protect your fuel injectors and help prevent future leaks or failures.  This set is a direct upgrade to the factory lines on your 2001-2004 6.6L Duramax LB7. Replacement injector line retainer clip and injector line retainer bolt available separately.

  • Complete Set
  • Stock Upgrade
  • Brand New, Not Remanufactured
  • High Quality Ferritic Stainless Steel Construction
    • ​Ferritic steels are high chromium, magnetic stainless steels that have a low carbon content. Known for their good ductility, resistance to corrosion and stress corrosion cracking


  • 2 x Line for Cylinders 1 or 8 (Part# DMAX720) Replaces GM Part# 97188720
  • 2 x Line for Cylinders 2 or 7 (Part# DMAX723) Replaces GM Part# 97188723
  • 2 x Line for Cylinders 3 or 6 (Part# DMAX721) Replaces GM Part# 97188721
  • 2 x Line for Cylinders 4 or 5 (Part# DMAX722) Replaces GM Part# 97188722

DMAXStore: DMAX-720123

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