HD Alternator Cable For 2003-2007 Dodge 5.9L Cummins XD421 XDP


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XDP Xtreme Diesel Performance SKU: XD421

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Replace the old and corroded alternator cable in your 2003-2007 Dodge 5.9L Cummins with the XDP HD Alternator Cable XD421. Damaged cables can lead to many issues in your vehicle such as improper charging and added strain on your electrical system.

This cable is designed to be a direct-fit replacement and will help restore proper operation to your charging system. Built for a long and dependable service life, this cable features a 4 AWG construction and the heavy-duty crimped on terminal ends are heat shrink wrapped for added durability.


  • Direct-Fit
  • 4 AWG Cable
  • Fits Stock Alternator
  • 18 Inch Length With Fuse Link

Note: For Use On Stock Output Alternators. For High-Output Alternators See Part# XD422