Calorstat TS2897 Engine Cooling Fan Switch

Engine Cooling Fan Switch for Mercedes-Benz and Nissan

The Calorstat TS2897 engine cooling fan switch controls fan operation at a 100-degree switch temperature for precise cooling-system response. It is a direct-fit style replacement for select Mercedes-Benz and Nissan applications with an M14x1.5 thread size and 1-speed operation.

Key Features

• Engine cooling fan switch for temperature-based fan activation
• Switch temperature: 100
• 1-speed switching function
• M14x1.5 thread size
• Calorstat TS2897 replacement part number
• OE-supplier heritage for Mercedes-Benz applications noted in fitment data

Detailed Description

The Calorstat TS2897 is an engine cooling fan switch built for vehicles that rely on a threaded temperature switch to trigger radiator fan operation. With a 100-degree switch temperature and M14x1.5 thread size, this part supports accurate fan engagement in select Mercedes-Benz 300D, 300TD, 300SD, 380SEL, 380SEC, 380SL, 380SE, 500SEC, 500SEL, and 190E applications, as well as the 1984 Nissan Maxima with a 1 pin connector. The TS2897 part number is also referenced in interchange listings for related cooling-system applications.

This part cross-references CSF 10520 for the same application.

What It Helps Address

• Cooling fan that does not switch on at the correct temperature
• Fan cycling that is inconsistent or delayed
• Engine temperature running higher than normal in traffic
• Faulty temperature switch causing poor radiator fan control
• Replacement need for a worn threaded fan switch on Mercedes-Benz or Nissan models

Installation Notes and Tips

Verify thread size, connector style, and switch temperature before installation. Confirm the vehicle uses a 1-speed cooling fan switch and match the original mounting location and electrical connection. On Mercedes-Benz 300D and 300SD applications, as well as 380-series and 500-series models, compare the original switch specifications to the TS2897 before replacement. On the 1984 Nissan Maxima, confirm the 1 pin connector configuration.

Quality Assurance

Calorstat cooling-system components are listed with OE-supplier coverage in Mercedes-Benz fitment data, supporting application-specific replacement selection. Use the TS2897 when the original part calls for a 100-degree, M14x1.5 engine cooling fan switch.