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FPE-CLNTBYPS-CUMMINS-19 Fleece Performance Coolant Bypass Kit - Dodge 6.7L Cummins 2019-2022

Référence fabricant: FPE-CLNTBYPS-CUMMINS-19
Fabricant: Fleece Performance
The all-new Fleece Performance Coolant Bypass Kit for the 2019-2022 Ram 6.7L Cummins seamlessly integrates for an oem fit and finish.

Détails du Produit (cliquez pour afficher)

Référence fabricant FPE-CLNTBYPS-CUMMINS-19

Spécifications produits

Attribute name Attribute value
Truck Type/Model Dodge
Brand Fleece Performance
Type de produit Coolant Bypass Kit


The rear cylinders on the 6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. The coolant bypass kit from Fleece Performance adds a secondary thermostat, that unlike other brands, works based on temperature instead of excessive pressure. This solves the problem before pressure becomes an issue by ensuring consistent temperatures across all six cylinders.


  • Lowers coolant temperature 
  • Ensures consistent temperatures across all cylinders
  • Prevents damaging coolant pressure build up 
  • Complete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation.

Kit Components 

  • Rear coolant bypass thermostat housing 
  • Front coolant bypass thermostat housing 
  • New egr cross-over tube gaskets 
  • Black braided nylon coolant bypass hose with AN fittings 
  • Mounting hardware