Keep warm engine coolant moving to your cab heater with this Dorman heater hose assembly, part number 626-708, a direct-fit replacement for the 2004-2008 Ford F-150 and 2006-2008 Lincoln Mark LT. It installs in the inlet position. Dorman built it to match the stock assembly's fit and durability, and designed it to withstand extreme temperature changes to extend service life.
A heater hose carries engine coolant to the heater core, which supplies heat for the cabin heater and defroster. Signs this part may need replacing include coolant drips or wetness near the hose, a cracked or swollen hose, a coolant level that keeps dropping, or a heater that blows cooler air than expected.
- Ideal replacement: directly replaces the original heater hose on the listed Ford and Lincoln applications.
- Durable construction: designed to handle extreme temperature swings 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 the aftermarket leader in heater hose assemblies.
See the "Vehicles it fits" section for engine-specific fitment details.
Interchange: 87958 · 5L3Z18472E
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Frequently Asked Questions
What does the Dorman HVAC heater hose assembly do?
It installs in the inlet position and routes engine coolant to the heater core, which supplies heat for the cabin heater and defroster.
Which vehicles does the Dorman 626-708 fit?
It is a direct-fit replacement for the 2004-2008 Ford F-150 and the 2006-2008 Lincoln Mark LT. See the "Vehicles it fits" section for engine details.
What are signs a heater hose may need replacing?
Coolant leaks at the hose, a cracked or swollen hose, a dropping coolant level, or reduced cabin heat may be signs. Diagnose the cause before replacing parts.
How durable is this heater hose assembly?
Dorman designed it to withstand extreme temperature changes and to resist cracking and leaking, and engineered it to match the fit and durability of the stock assembly.
What should I know before installing it?
Let the engine cool fully first. Then drain, refill and bleed the cooling system as directed by the vehicle service information.
