Fleece Heater Core Hose and Fitting
A direct replacement for the heater core hose and fitting that seep with age.
Replacement heater hose kit · 2003–2024 RAM
Free shipping on orders over $199 — lower 48
Heat is what ends transmissions and head gaskets. Radiators, stacked-plate coolers, and coolant bypass kits selected for trucks that tow in Florida heat rather than cruise at 65 on flat ground.
We specialize in RAM 2500 / 3500 / 4500 / 5500 with 5.9L and 6.7L Cummins.
6 products matching
A direct replacement for the heater core hose and fitting that seep with age.
Replacement heater hose kit · 2003–2024 RAM
Silicone hose that survives heat cycles without hardening like the factory rubber.
Silicone heater hose · 2007.5–2022 6.7L
Removes suspended debris from the cooling system, which is what takes out water pumps and eats cylinder walls.
2 application options
Filters coolant to protect the block and water pump
Replaces the factory bypass hose and the plastic elbow that becomes brittle and fails without warning.
Reinforced bypass hose · 2007.5–2018 6.7L
Drops converter-out temperature on a towing truck — the single most effective way to make a 68RFE last.
2 application options
Stacked-plate cooler · 68RFE and later automatics
All-aluminum radiator that ends the plastic-tank failure mode and handles sustained towing heat.
2 application options
All-aluminum construction · 6.7L Cummins