Four Seasons Engine Cooling Fan Switch P/N:20034

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$77.99
MPN: 20034
Item Package Quantity: 1
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Four Seasons Engine Cooling Fan Switch P/N:20034
Four Seasons Engine Cooling Fan Switch P/N:20034
$77.99

Put accurate temperature sensing back in charge of your cooling fan with the Four Seasons Engine Cooling Fan Switch, part number 20034. It is a direct-fit replacement for the 1995-1996 Toyota Camry, 1995-1999 Toyota Avalon and 1998-2005 Toyota Sienna. Engine details for each vehicle are listed in the Buyer's Guide tab.

This engine-mounted cooling fan temperature switch senses engine temperature. It helps control when the cooling fan circuit is switched on, so the fan can respond as the engine warms up.

  • Brass construction: used for accurate temperature sensing.
  • Zinc-coated terminal: helps the electrical terminal resist corrosion.
  • Seals supplied: comes with the gaskets, O-rings or seals needed to replace the switch properly.
  • Vehicle-specific: built for the listed applications.

Four Seasons designs and tests its products to deliver years of trouble-free operation. The company draws on more than 50 years of mobile A/C experience.

Signs this switch may need replacing include a cooling fan that never turns on, a fan that runs all the time, a rising temperature gauge, or coolant seeping around the switch. These symptoms can have other causes, so diagnose the cooling system before you replace any part.

Interchange: 1550759 · 207983 · 11120034 · 19144837 · 19188146 · A87983 · 50846 · 8942830130 · SW1437

This part cross-references / interchanges with the following part numbers:

1550759, 20034, 207983, 11120034, 19144837, 19188146, A87983, 50846, 8942830130, SW1437

Frequently Asked Questions

What does the Four Seasons 20034 cooling fan switch do?

It is an engine-mounted temperature switch. It senses engine temperature and helps control when the cooling fan circuit is switched on.

Does this switch fit the 1998-2005 Toyota Sienna?

Yes. It is listed as a direct-fit replacement for the 1998-2005 Toyota Sienna. Check the Buyer's Guide tab for engine details.

What is the switch made of?

It has a brass body for accurate temperature sensing and a zinc-coated terminal that helps resist corrosion.

Are seals included with the switch?

Yes. The switch comes with the gaskets, O-rings or seals needed to replace it properly.

What are signs a cooling fan switch may be failing?

Common signs are a fan that never turns on, a fan that runs constantly, rising engine temperature, or a coolant leak at the switch. Diagnose the cause first, because other faults can cause the same symptoms.