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Dodge / Ram 5.9L / 6.7L Cummins Coolant Bypass Kit 2003-2018 | XDP XD380


Coolant Bypass Kit

  • Brand: Xtreme Diesel Performance
  • Condition: New
  • 12-Month Unlimited mileage warranty


  • Cummins 5.9L with Manual Transmission
  • Cummins 6.7L with Manual Transmission


  • Complete Installation Kit
  • Includes Stant Secondary Thermostat
  • Ensures Even Coolant Temperatures Across All Cylinders
  • Made in the USA


  • If your vehicle has the heat exchanger, you can go to your local Chrylser Dealership and purchase a heater tube (PN: 68048997AA) to bypass the heat exchanger and complete the installation
Prop65 Warning:
WARNING: Cancer and Reproductive Harm -
All product warranties if any, implied have been done so at the discretion of the manufacturer. If you need warranty assistance on any product you've purchased, please contact the manufacturer directly. Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit. All products that are in question of Warranty must be returned shipping prepaid to XDP and must be accompanied by a dated proof of purchase receipt. Warranty is limited to the original purchaser. Under no circumstances shall the Xtreme Diesel Performance, LLC. be liable for any labor charged or travel time incurred in diagnosis for defects, removal, or reinstallation of this product, or any other contingent expenses.