Dayco Engine Coolant Bypass Hose,HVAC Heater Hose P/N:87842
Dayco 87661 heater hose for the 2011-2016 Toyota Sienna and other vehicles carries hot coolant from the engine to the heater. The Dayco heater hose is one piece of the cooling circuit and wears with heat and age.
A coolant leak at the hose, a cracked or swollen hose, or a heater that blows cool air can mean the hose is worn. A low coolant level, a thermostat stuck open, a clogged heater core or a weak water pump can be behind the same signs, so track down the cause first.
Besides the 2011-2016 Toyota Sienna, this heater hose suits the 1999-2004 Honda Odyssey and the 1984-1990 Ford F-150 V8 5.0L, and each of them takes one hose. If your vehicle is not named here, enter its year and engine in the "Vehicles it fits" section to see whether it is covered.
Interchange: 14106S · 14316S · 14368S · 14426S · 18799 · 19088 · 19279 · 19376 · 64314 · 10799 · 11088 · 11279 · 11376 · 303661
This part cross-references / interchanges with the following part numbers:
Does the Dayco 87661 heater hose fit the 2011-2016 Toyota Sienna?
Yes. Dayco 87661 is listed for the 2011-2016 Toyota Sienna, and the Sienna takes one hose.
Is this the right heater hose for the 1999-2004 Honda Odyssey?
Yes. Dayco 87661 is listed for the 1999-2004 Honda Odyssey, which takes one hose.
Is 14106S a cross-reference for the Dayco 87661 heater hose?
Yes. 14106S is one of the cross-reference numbers listed for Dayco 87661, so it is worth matching against the number on your old hose.
How do I tell if my heater hose is worn out?
With the engine off and cool, look along the hose for cracks, swelling or coolant seepage. A shop can test the rest of the cooling system if the hose looks sound.
Is the Dayco 87661 an HVAC heater hose?
Yes. Dayco 87661 is a heater hose, also listed as an HVAC heater hose, and it carries hot engine coolant to the heater.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.