Advertising Disclosure Car Radiator Cooling Fan Switches Comparison - August 2025
3 Best Car Radiator Cooling Fan Switches In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.7Exceptional | 2  9.4Excellent | 3  9.3Excellent |
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ModelCapillary Car Thermostat, TS-120SR Cooling Radiator Fan Temperature Control Switch, Adjustable 0-120°C Heating/Cooling | Model SANWAN H843730 SUNWAN Capillary Car Thermostat Cooling Radiator Fan Control Switch Universal Adjustable 0-120 degreeC Heating/Cooling Mechanical Thermostat,Black, Silver | Model Radiator Fan Switch, Copper Radiator Fan Switch Cooling Fan Thermo Switch Sensor 2FM-039-067, 37760-KS4-880, 33760-KE7-003 for BJ250 BJ300GS |
BrandMACHSWON | Brand SANWAN | Brand Keenso |
Reviews | Reviews  | Reviews |
Tech Specs | ||
product dimensions 11 x 9 x 5 cm 95 g | product dimensions 11 x 9 x 5 cm 100 g | product dimensions 6 x 3 x 2 cm 30 g |
manufacturer part number H843730 | manufacturer part number H843730 | manufacturer part number Keensoh0o371rz9g |
item weight 95 g | item weight 100 g | item weight 30 g |
customer reviews4.4 4.4 out of 5 stars 43 ratings 4.4 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 48 ratings 4.3 out of 5 stars | customer reviews 3.8 3.8 out of 5 stars 11 ratings 3.8 out of 5 stars |
Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1MACHSWONCapillary Car Thermostat, TS-120SR Cooling Radiator Fan Temperature Control Switch, Adjustable 0-120°C Heating/Cooling
Why we love it
1. The product is made of high quality steel and plastic.
2. The product has a good performance.
3. The product is long lasting.
Main highlights- Probe Design --- The probe attached to the controller can measure the temperature of water, coolant or contact, and transfer power to the fan so that the fan can start at the selected temperature, which is very convenient for your life.
- How to Install --- To fit in the hose simply remove the top radiator and fully insert the probe, then re-fit hose and tighten over the capillary wire being extra careful not to damage the probe inside. Silicone sealant can be used to help seal if required.
- Capillary Car Thermostat --- The adjustable electric fan thermostat controller with stainless steel temperature probe sensor, it is made of good-quality steel and plastic with guaranteed quality, good performance and long service life.
- After-sales service --- All our products are inspected before shipment. If you do not like the package, please contact us in time, our after-sales service is very perfect, we believe you will be satisfied.
- Adjustable Temperature --- Our temperature regulator has a black adjustable button, it allows you to set the temperature of the cooling fan running between 0 ℃ ~ 120 ℃, you can control the operation of the fan according to the temperature you need.
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9.4
2SANWAN
SANWAN H843730 SUNWAN Capillary Car Thermostat Cooling Radiator Fan Control Switch Universal Adjustable 0-120 degreeC Heating/Cooling Mechanical Thermostat,Black, Silver
Why we love it
Easy to install and use.
Wide temperature control range.
One-year warranty included.
Main highlights- Probe Design: Adjustable Electric Fan Thermostat Switch Radiator Temperature Control Probe attached to the controller can measure the temperature of water, coolant or contact, and transfer power to the fan so that the fan can start at the selected temperature, which is very convenient for your life.
- Efficient Regulation: Maintain optimal engine temperature with this capillary car thermostat, ensuring smooth performance in various conditions.International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
- Durable Construction: Crafted with robust materials, this thermostat withstands the rigors of daily driving, offering long-lasting reliability.To fit in the hose simply remove the top radiator and fully insert the probe, then re fit hose and tighten over the capillary wire being extra careful not to damage the probe inside. Silicone sealant can be used to help seal if required.
- Capillary Car Thermostat: The adjustable electric fan thermostat controller with stainless steel temperature probe sensor, it is made of high-quality steel and plastic with guaranteed quality, good performance and long service life.
- Adjustable Temperature: Our temperature regulator has a black adjustable button, it allows you to set the temperature of the cooling fan running between 0 ℃ ~ 120 ℃, Flexible turn-on/turn-off temperature control range of 32-248'F (0-120'C).you can control the operation of the fan according to the temperature you need.
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9.3
3Keenso
Radiator Fan Switch, Copper Radiator Fan Switch Cooling Fan Thermo Switch Sensor 2FM-039-067, 37760-KS4-880, 33760-KE7-003 for BJ250 BJ300GS
Why we love it
High quality material
Excellent performance
Direct replacement
Main highlights- Premium Quality --- This cooling fan thermo switch is made of high quality copper material, which is sturdy and in use. It is not easily damaged and rust, has quality and long service life.
- Guarantee --- Our product have 180 days warranty, if you have any question about this product, please feel to contact us, we will try our best to help you solve your problem.
- Fitment --- Replaces OEM: 2FM-039-067, 37760-KS4-880, 33760-KE7-003; size: 4.4 * 2.1cm/1.7 * 0.8in, this cooling fan thermo switch is fit for BJ250 BJ300GS.
- Excellent Performance --- This Fan Switch adopts excellent manufacturing process according to the factory specifications, which has high characteristic and stable performance and can perfectly fit in.
- Easy to Use --- This Copper Radiator Fan Switch is easy to install, no modification is required, which is a direct aftermarket replacement part for the broken one.
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Features
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Consumer Reviews
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Popularity
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Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
