KB Diesel Performance LLC

Coolant Water Bypass Water Neck Thermostat Housing for 5.9l 6.7l Cummins Dodge

  • Sale
  • Regular price $76.95
Free shipping on orders over $150.

Quantity In Stock: 5+


  • Thermostat housing with -8 JIC / AN Bung
  • Replaces the riser on all "fleece style" riser block coolant bypass kits
  • Depending on the hose size of your kit you may need a -8 to -10 adapter.
  • Great for custom coolant bypass builds
  • Deletes EBP sensor bung on HE351V equipped trucks

Fits: 1998-2018 5.9l & 6.7l Cummins engines - **May not fit with all OE equipment depending on configuration**