Keep your engine's cooling fan cycling on cue with the Standard Ignition Engine Cooling Fan Switch TS-112. It installs as a direct-fit replacement for the 1982-1985 Nissan Stanza — see the Buyer's Guide tab for engine-level fitment. This thermal switch senses coolant temperature and signals the fan controller when the fan should run.
- Temperature-triggered actuation: a custom wax formulation expands when heated to trigger a snap-action electrical contact, transferring the signal to the fan controller.
- Calibrated and tested: wax pellets are custom-formed for the specified temperature range, and every unit is calibrated and tested to confirm actuation at its set point.
- Bimetallic contact arm: a formed bimetallic arm uses the differing expansion rates of two fused metals — a creep-action device built for precise performance.
- Made for the trade: robust design and high-grade materials meet the demands of today's service professionals.
If a fan that won't switch on, runs constantly, or an engine that overheats in slow traffic traces back to a failed temperature switch, the TS-112 replaces it. Diagnose the cause before replacing, as these symptoms can have other sources.
Interchange: TFS511 · FS144 · 21595D0100 · 21595D0120 · 21595D1600
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the TS-112 cooling fan switch do?
It's a thermal switch that senses coolant temperature and makes electrical contact at its calibrated set point to signal the fan controller when the cooling fan should run.
What vehicles does this switch fit?
It is a direct-fit replacement for the 1982-1985 Nissan Stanza. Check the Buyer's Guide tab to confirm the correct application for your vehicle.
What are signs this switch may need replacing?
A cooling fan that won't turn on, runs constantly, or an engine that overheats in slow traffic can point to a failed switch. Diagnose the cause first, as other parts can be involved.
How is the switch calibrated?
The wax pellets are custom-formed for the specified temperature range, and every unit is factory-calibrated and tested to confirm actuation at its specified temperature set point.
What interchange numbers does the TS-112 replace?
It cross-references TFS511, FS144, 21595D0100, 21595D0120, and 21595D1600. Match one of these numbers to confirm you have the right part.
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