Walker Products Engine Cooling Fan Switch P/N:212-1004

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$29.99
MPN: 212-1004
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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Walker Products Engine Cooling Fan Switch P/N:212-1004
Walker Products Engine Cooling Fan Switch P/N:212-1004
$29.99

Keep your electric cooling fan cycling on cue with the Walker Products Engine Cooling Fan Switch 212-1004. This OE-replacement switch drops into a range of 1980s Chrysler, Dodge, Plymouth, Mini and Ram applications — including the 1982 Chrysler Cordoba, 1982-1985 Chrysler New Yorker, 1983-1985 Chrysler LeBaron, 1982-1985 Dodge Aries, 1983-1985 Dodge 600, 1981-1985 Plymouth Reliant and 1983-1985 Ram 50; see the Buyer's Guide tab for the full list. It monitors engine coolant temperature and closes or opens the radiator or condenser fan circuit at a precise temperature threshold, signaling the fan to run when cooling is needed and switch off once the target temperature is reached.

  • Temperature-triggered fan control: activates the electric fan at the set coolant temperature to help guard against overheating.
  • OE-replacement calibration: matches factory switching temperature, thread pitch, and electrical connection.
  • Sealed build: thermally responsive element sealed against coolant exposure and under-hood contaminants, using heat-resistant, corrosion-proof materials.
  • Original-location install: threads into the factory mounting location — typically the radiator tank, cylinder head, or thermostat housing — and connects to the factory harness.

Signs the original switch may need replacing include engine overheating, a fan that runs continuously, or poor A/C performance. Diagnose the cause first; if a failed fan switch is behind the symptom, this unit replaces it.

Interchange: 15-50363 · 182-01 · 182-02 · BK-5105
1550363 · 18201 · 18202 · BK5105 · 1S4372 · TFS688 · 4221284 · 36499 · 8491 · RF46 · TS165 · 73105 · SW530

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

15-50363, 1S4372, TFS688, 4221284, 36499, 8491, 182-01, 182-02, BK-5105, RF46, TS165, 73105, SW530

Frequently Asked Questions

What does the Walker 212-1004 fan switch do?

It senses engine coolant temperature and opens or closes the electric radiator or condenser fan circuit at a set threshold, signaling the fan to run when cooling is needed and shut off once the target temperature is reached.

What are signs my cooling fan switch may be failing?

Common signs include engine overheating, a fan that runs continuously, or poor A/C performance. Diagnose the cause first, since these symptoms can have other sources; if the switch is at fault, this replaces it.

Where does this switch install?

It threads into the original mounting location — typically the radiator tank, cylinder head, or thermostat housing — and connects to the factory electrical harness.

Is this a direct-fit replacement?

Yes. It is an OE-replacement switch calibrated to match the factory switching temperature, thread pitch, and electrical connection for the listed applications. Check the Buyer's Guide tab to confirm your vehicle.

Which vehicles does the 212-1004 fit?

It fits a range of 1981-1985 Chrysler, Dodge, Plymouth, Mini and Ram models, such as the Chrysler New Yorker, Dodge Aries and Plymouth Reliant. See the Buyer's Guide tab for the complete list.