{"product_id":"calorstat-ts2601-engine-cooling-fan-switch","title":"Calorstat TS2601 Engine Cooling Fan Switch","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eCalorstat TS2601 is an engine cooling fan switch for radiator-mounted applications. It uses a 95\/90 temperature setting and an M14x1.5 thread size, making it a fitment-focused replacement for older Volvo and BMW cooling systems.\u003c\/p\u003e\u003cp\u003eCompatible With Volvo 240, 740, 760, 780, 940, and 245\/244 applications, plus select BMW 2800, 3.0CS, 320i, 528e, and 733i models. The TS2601 part number is also referenced in cross applications under several interchange numbers.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine cooling fan switch with a single-speed operating circuit.\u003c\/li\u003e\n\u003cli\u003e95\/90 temperature activation range for radiator fan control.\u003c\/li\u003e\n\u003cli\u003eM14x1.5 thread size for threaded radiator installation.\u003c\/li\u003e\n\u003cli\u003eFits radiator-mounted cooling switch applications across Volvo and BMW platforms.\u003c\/li\u003e\n\u003cli\u003eTS2601 part number for catalog and service matching.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Calorstat TS2601 is built for vehicles that use a threaded radiator fan switch to trigger cooling fan operation at a defined temperature. With a 95\/90 switch point and one-speed design, it serves as a direct replacement style component for systems that rely on simple on\/off fan control. This part number, TS2601, appears in fitment for Volvo 240, 740, 760, 780, 940, 242, 244, 245, and 745 models, along with BMW 2800, 2800CS, 3.0S, 3.0CS, 3.0CSi, 3.0Si, 318i, 320i, 524td, 528e, 528i, 530i, 533i, 535i, 633CSi, 635CSi, and 733i applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references Hayden 5064 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCooling fan not switching on at the correct temperature.\u003c\/li\u003e\n\u003cli\u003eFan cycling issues caused by a worn radiator temperature switch.\u003c\/li\u003e\n\u003cli\u003eRestoring radiator-based fan control on older cooling systems.\u003c\/li\u003e\n\u003cli\u003eReplacing a failed threaded fan switch with the correct thread size.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstall in radiator-mounted threaded switch locations only where the vehicle uses an M14x1.5 fan switch. Verify the temperature specification and connector style against the original part before installation. The fitment notes indicate radiator location for Volvo applications and OE-supplier-related fitment notes for several BMW models.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eCalorstat TS2601 is cataloged for direct fitment matching across the listed applications and is supported by interchange references for service lookup. The TS2601 part number is useful when matching replacement cooling fan switches for older Volvo and BMW vehicles.\u003c\/p\u003e","brand":"Calorstat","offers":[{"title":"Default Title","offer_id":53556068581557,"sku":"BVFL-TS2601","price":33.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/VE_TS2601_Fro.jpg?v=1792392705","url":"https:\/\/www.partcatalog.com\/products\/calorstat-ts2601-engine-cooling-fan-switch","provider":"PartCatalog","version":"1.0","type":"link"}