Keep coolant flowing to your cab's heater with this Dorman heater hose assembly, part number 626-735, a direct replacement for the outlet heater hose on the 2011-2014 Ford F-150 and 2011-2014 Lincoln Mark LT. For engine-specific fitment, see the "Vehicles it fits" section.
A heater hose carries engine coolant between the engine and the heater core, which supplies warmth to the cabin. Over time, repeated heating and cooling can leave an aging hose cracked or seeping. Dorman engineered this one to match the fit and durability of the stock hose assembly.
- Ideal replacement: Directly replaces the original outlet heater hose on the listed applications.
- Durable construction: Designed to handle extreme temperature changes and to resist cracking and leaking.
- Cost-effective and reliable: Offers original manufacturer quality at a lower cost than a dealer replacement.
- Industry-leading design: Professionally engineered by Dorman, the aftermarket leader in heater hose assemblies.
Signs this hose may need replacing include coolant drips or puddles under the vehicle, a sweet coolant smell, a dropping coolant level, or a hose that looks cracked or swollen. These symptoms can have other causes, so diagnose the leak first. If the outlet heater hose is the source, this assembly replaces it.
Interchange: 72729 · BL3Z18472G
Frequently Asked Questions
What does the Dorman HVAC heater hose assembly 626-735 do?
It is the outlet-position heater hose. It carries engine coolant between the engine and the heater core that supplies cabin heat.
Which vehicles does part 626-735 fit?
It fits the 2011-2014 Ford F-150 and the 2011-2014 Lincoln Mark LT. See the "Vehicles it fits" section for engine-specific details.
How is this Dorman heater hose built to hold up?
Dorman designed it to withstand extreme temperature changes and to resist cracking and leaking.
What are signs my heater hose may need replacing?
Look for coolant drips, a sweet coolant smell, a dropping coolant level, or a cracked or swollen hose. Diagnose the leak first. If the outlet heater hose is the cause, this assembly replaces it.
What should I know before installing it?
Let the engine cool completely before opening the cooling system. Follow the vehicle service information for draining, refilling and bleeding the coolant.
