Dayco 87891 heater hose for the 2000-2004 Ford Excursion V8 5.4L, the 2000-2005 Excursion V10 6.8L and other vehicles carries engine coolant to the heater for cabin heat. It is also called an HVAC heater hose.
- Heater inlet position, running from the intake manifold to the heater
Quick facts
- Part: Dayco 87891 heater hose
- Also called: HVAC heater hose
- Fits: 2000-2004 Ford Excursion V8 5.4L, the 2000-2005 Excursion V10 6.8L and other vehicles
- Position: Heater inlet, intake manifold to heater
- Condition: New
A coolant smell, drips in the engine bay, a falling coolant level or a heater that blows cold can all point toward a heater hose, though other faults produce the same symptoms. Before you replace this hose, rule out leaks at the clamps, the heater core and the intake manifold connection, and inspect the hose for cracks or soft spots with the engine off and cool.
Fits
It is also listed for a wide range of Ford models, led by the 1999-2004 Ford F-250 Super Duty and F-350 Super Duty V8 5.4L. One hose goes at the heater inlet on each vehicle. If your truck is not named here, enter its year and engine in the "Vehicles it fits" section to see whether it is covered.
Specifications
- Position: Heater inlet, intake manifold to heater
- Quantity per vehicle: 1
- Condition: New
Interchange: 18208L · 19218 · KH620 · 11218
This part cross-references / interchanges with the following part numbers:
18208L, 19218, KH620, 11218, YC3Z-18472-EA
Frequently Asked Questions
Will Dayco 87891 work as a heater hose for the 1999-2004 Ford F-250 Super Duty V8 5.4L?
Yes. Dayco 87891 is listed for the 1999-2004 Ford F-250 Super Duty V8 5.4L and the 1999-2004 Ford F-350 Super Duty V8 5.4L. Other trucks can be checked in the "Vehicles it fits" section.
Does Dayco 87891 fit the V10 6.8L in the 2000-2005 Ford Excursion?
Yes. Dayco 87891 is listed for the 2000-2005 Ford Excursion V10 6.8L, and also for the 2000-2004 Excursion V8 5.4L.
Is this a heater inlet hose or an outlet hose?
This is a heater inlet hose, running from the intake manifold to the heater. The listing is for one hose.
My heater blows cold and the coolant is low. Could this hose be the cause?
It can be if the hose is cracked, soft or leaking, but other faults produce the same symptoms. With the engine off and cool, look for cracks, bulges and wet spots; a shop can pressure-test the system.
Is Dayco 87891 an interchange for part number KH620?
Yes. KH620 is one of the numbers Dayco 87891 replaces, along with 18208L, 19218 and 11218.
