Four Seasons Engine Cooling Fan Switch,Engine Cooling Fan Temperature Switch P/N:37800
Help your electric cooling fan switch on when coolant temperature calls for it with the Four Seasons Engine Cooling Fan Switch 20027, a radiator-mounted cooling fan temperature switch built for specific vehicle applications. It fits many vehicles, among them the 1991-1996 Ford Escort, 1991-1996 Mercury Tracer and 1990-1995 Mazda Protege, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list and engine details.
The switch mounts in the radiator and responds to coolant temperature. As the coolant warms, it signals the electric cooling fan to switch on. Signs this switch may need replacing include a cooling fan that never comes on, a fan that runs all the time, or a temperature gauge that climbs in slow traffic. Wiring, relays and the fan motor can cause the same symptoms, so diagnose the cause before you replace the switch.
Four Seasons engineers and tests its products and draws on more than 50 years of mobile A/C experience.
Interchange: 1550999 · AC8835 · 207976 · HS845 · 11120027 · F0CZ10884A · 19188142 · B62K18840A · A87976 · 50385 · 211845 · TU190
This part cross-references / interchanges with the following part numbers:
What does the Four Seasons 20027 cooling fan switch do?
It is a radiator-mounted temperature switch. It senses coolant temperature and signals the electric cooling fan to switch on as the coolant warms.
Is this the right Tracer switch for a 1991-1996 Mercury Tracer?
Yes. It is listed as a direct-fit replacement for the 1991-1996 Mercury Tracer. The Buyer's Guide tab shows the engine details.
Will this Ford Escort switch fit a 1991-1996 Escort?
Yes. The 1991-1996 Ford Escort is one of the listed applications for part 20027. Check the Buyer's Guide tab for engine details.
What is the switch made of, and what comes in the box?
It uses brass construction for accurate temperature sensing, and the terminal is zinc coated to resist corrosion. It comes with the gaskets, O-rings or seals needed to replace it properly.
What are signs the cooling fan switch may be failing?
Look for a fan that won't come on, a fan that runs constantly, or rising temperature in traffic. Wiring or relays can cause the same symptoms, so diagnose the cause first.
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.