Keep the radiator fan cycling on cue with the Standard Ignition Engine Cooling Fan Switch TS-568 (also written TS568). This coolant fan switch senses engine coolant temperature and opens or closes the electrical circuit that switches the cooling fan on and off, and it drops in as a direct-fit replacement for the 1978-1981 Porsche 928, 1980-1981 Volkswagen Dasher, and 1981 Volkswagen Scirocco — see the Buyer's Guide tab for engine-level details.
- 100% tested: every unit is checked on automated equipment that activates the switch, checks for leaks, and stresses the part to confirm it meets specification, even under demanding operating conditions.
- OE-grade quality control: built by a global manufacturer of original-equipment ignition products, with quality oversight maintained from componentry through finished product.
- Robust design: high-grade materials engineered to meet the stringent demands of today's service professional.
If a failed fan switch is the cause of a fan that won't turn on, runs constantly, or lets the engine run hot, this replaces the original component. Diagnose the cause before replacing.
Interchange: 19021193 · 823959481L · 823959481R · TFS502 · FS150 · 4086708 · 8330268 · 8533226 · 8561367 · 8569238
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this cooling fan switch do?
It senses engine coolant temperature and opens or closes the electrical circuit that switches the engine cooling fan on and off at a set temperature.
Which vehicles does the TS-568 fit?
It's a direct-fit replacement for the 1978-1981 Porsche 928, 1980-1981 Volkswagen Dasher, and 1981 Volkswagen Scirocco. Check the Buyer's Guide tab for engine-level details.
What are signs this switch may need replacing?
A cooling fan that won't turn on, runs constantly, or an engine that runs hot can be signs. Diagnose the cause first, since other components can produce these symptoms.
Is this switch tested?
Yes. Every unit is checked on automated equipment that activates the switch, checks for leaks, and stresses the part to confirm it meets specification.
What interchange numbers does it replace?
It replaces 19021193, 823959481L, 823959481R, TFS502, FS150, 4086708, 8330268, 8533226, 8561367, and 8569238.
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