2003-2007 5.9 Cummins High Pressure Fuel Lines



  • same day shipping

    Most orders placed before 3:30 pm PST Monday-Friday will be shipped the SAME business day. See our Shipping Policy for more information.

  • no hassle 60 day returns

    60 day return period for any product that has not been installed and is in "brand-new" condition. See our Returns Policy for more information.

  • best warranty

    Our Limited Warranty covers manufacturing defects for 2 years on Refurbished or Remanufactured products and 3 Years on New products. See our Limited Warranty Policy for more information.

  • low price guarantee

    Found an identical product cheaper elsewhere? We want to earn your business! Send an email to sales@injectorsdirect.com with a link to the product in question. We will do our best to match or beat it!

Check this out!

Check this out!


Fits Cummins 5.9 2003-2007

Full Set (6) $249.99

Brand new set of high pressure fuel lines. Replacing the fuel lines helps prevent leaks, contamination & premature injector failure. To prevent line failures, Injection lines for cylinders 2 – 6 incorporate the
updated isolators. An isolator is not used on the first cylinder.

Replaces part numbers:

Mopar: 5086871AA, 5086872AB, 5086873AB, 5086874AB, 5086875AB, 5086876AD

Cummins: 3957081, 4988810, 4988809, 5289447, 4988807, 4988806