Standard Ignition Engine Cooling Fan Switch P/N:TS-394
$46.99
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Keep your engine's cooling fan cycling on temperature with the Standard Ignition Engine Cooling Fan Switch (TS-394), a direct-fit thermal switch for the listed applications. It fits many vehicles, among them the 1995-2006 Toyota Camry, 2001-2004 Toyota Highlander and 1998-2003 Toyota Sienna; see the Buyer's Guide tab for the full list. It senses coolant temperature and sends the electrical signal that tells the fan controller when to run the cooling fan.
Temperature-activated switching: custom wax formulations expand when heated to trigger a snap-action electrical contact, transferring the signal to the fan controller.
Factory-calibrated: every thermal switch is calibrated and tested to confirm actuation at its specified lower-temperature set point.
Bimetallic creep-action design: a formed bimetallic contact arm uses the different expansion rates of two fused metals for precise performance.
Built for the pro: robust design and high-grade materials meet the demands of today's service professional.
If a failed fan switch is the cause, common signs include a cooling fan that won't turn on as the engine warms up or one that runs continuously — diagnose the cause before replacing, since these symptoms can have other sources.
It's an engine cooling fan switch that senses coolant temperature and sends an electrical signal to the fan controller, switching the cooling fan on or off at its calibrated set point.
Which vehicles does the TS-394 fit?
It's a direct-fit replacement for many vehicles, among them the 1995-2006 Toyota Camry, 2001-2004 Toyota Highlander and 1998-2003 Toyota Sienna. See the Buyer's Guide tab for the full list.
What are signs this switch may need replacing?
A cooling fan that won't turn on as the engine warms up, or one that runs constantly, can be a sign — but these symptoms have other causes too, so diagnose before replacing.
How does the switch work?
Custom-formed wax expands when heated to trigger a snap-action contact, and a bimetallic contact arm uses two fused metals' expansion rates for precise, factory-calibrated actuation.
What part numbers does the TS-394 replace?
It interchanges with 17-1152, 171152, TFS627, 8554, SW1436, FS267 and 8942841010.
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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.
