Four Seasons 86042 coolant water outlet housing kit for the 2003-2006 Lincoln LS V8 3.9L and other vehicles houses the thermostat and gives coolant a path out of the engine. The kit includes the thermostat, so the housing and thermostat are replaced together as one unit.
A coolant leak at the housing or a temperature gauge that runs high can mean the housing or its thermostat has failed. With the engine off and cool, look over the plastic body for cracks and dried coolant before you buy, because a hot-running engine has other possible sources too. Each engine takes one kit.
This is a direct-fit replacement for the 2003-2006 Lincoln LS V8 3.9L and the 2003-2005 Ford Thunderbird V8 3.9L, and it meets and/or exceeds OEM standard.
Fit and size
Build and materials
One housing with its thermostat. A gasket or seal is not included.
Interchange: 815862 · 902903 · 3W4Z8548AB · 3W4Z8548AD · 34725 · 8241614 · TA2783 · 6052561 · W98572
This part cross-references / interchanges with the following part numbers:
Does the Four Seasons 86042 fit the 2003-2006 Lincoln LS V8 3.9L?
Yes. Four Seasons 86042 is listed for the 2003-2006 Lincoln LS V8 3.9L and the 2003-2005 Ford Thunderbird V8 3.9L.
Does this engine coolant water outlet housing kit include the thermostat and a gasket?
Four Seasons 86042 includes the thermostat. A gasket or seal is not included, so you would need to get one separately.
What is this coolant water outlet housing made of, and how big is it?
The housing is plastic. It is 5.66 in long with a 1.62 in inlet diameter and a 0.34 in discharge end.
Can a bad thermostat housing make the engine run hot?
It can, if the thermostat sticks or the housing leaks coolant. Overheating has several possible causes, so if the gauge climbs, have it checked promptly.
Does Four Seasons 86042 replace Ford 3W4Z8548AB?
Yes. 3W4Z8548AB is on the interchange list for Four Seasons 86042, along with 3W4Z8548AD and several other numbers.
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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.
