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Fleece Performance-01-04 GM LB7 Duramax Fleece Injection Line Set

Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your injectors, have a line failure, or are looking to upgrade your stock lines, we’ve got you covered with our Fleece Performance LB7 Injection Lines! This set is a direct upgrade to the factory lines on your 2001-2004 Duramax LB7.



  • Complete Set of 8 new lines - corrosion resistant
  • (Qty 2) Line for Cylinders 1 and 8 - Replaces GM Part# 97188720
  • (Qty 2) Line for Cylinders 2 and 7 - Replaces GM Part# 97188723
  • (Qty 2) Line for Cylinders 3 and 6 - Replaces GM Part# 97188721
  • (Qty 2) Line for Cylinders 4 and 5 - Replaces GM Part# 97188722

Part number: FPE-34611

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