Standard Ignition Engine Cooling Fan Switch P/N:TS-90
$55.99
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Keep the radiator fan cycling on cue with the Standard Ignition switch TS-90, a coolant-side engine cooling fan switch that signals the fan controller when coolant reaches its set temperature. It fits many vehicles, among them the 1979-1980 Nissan 280ZX, 1975-1978 Nissan 280Z and 1974-1978 Nissan B210 — see the Buyer's Guide tab for the full list and engine-level fitment.
Temperature-triggered switching: a custom wax formulation expands when heated to drive a snap-action electrical contact and pass the signal on to the fan controller.
Factory-calibrated: the wax pellets are custom-formed for the specified temperature range, then each unit is calibrated and tested to confirm actuation at its lower-temperature set point.
Bimetallic contact arm: built as a creep-action device using two fused metals with different expansion rates for precise performance.
Robust build: high-grade materials meet the demands of professional service work.
If a faulty original switch is why your fan won't kick on or runs constantly, this part replaces it. Diagnose the cause before replacing, as those symptoms can have other sources.
It's an engine cooling fan switch. As coolant reaches its set temperature, a wax element expands to trip a snap-action contact that signals the fan controller to run the cooling fan.
Which vehicles does the TS-90 fit?
It fits many vehicles, among them the 1979-1980 Nissan 280ZX, 1975-1978 Nissan 280Z and 1974-1978 Nissan B210. Check the Buyer's Guide tab for the full list and engine-level details.
What are signs this fan switch may need replacing?
A fan that won't turn on as coolant heats up, or one that runs constantly, can indicate a failed switch. Diagnose the cause first, since these symptoms can have other sources.
How is the switch calibrated?
The wax pellets are custom-formed for the specified temperature range, and each unit is calibrated and tested to confirm it actuates at its lower-temperature set point.
What numbers does the TS-90 interchange with?
It replaces TFS501, SW506, FS140, 12336278, 37765657013, 37780PA6003, 21595M0205, and 21595M0206.
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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.
