Does this thing really push 640 cfm's? that seems extremely high for that style fan.

It seems that every seller, of this style of fan, lie through their teeth about the cfms, and can't seem to get their numbers straight. Also, the 4 and 5 star reviews look more like paid reviewers, than people who actually use the fans. They are built cheap, and usually last from a couple of weeks, to at most, a couple of years. Which honestly, for a 21 dollar fan, you can't complain. I'd recommend either going by the vehicle manufacturer's recommendations or ask a mechanic for a recommendation.

Can this be used with a fan speed controller? (Will it run on a range of 5-12v?)

Yes fan speed controller works great. You can even reverse it.

How much does its CFM drop if it's installed to push air?

no cfm drop ,just turn over fan blade

What are the measurements of the shroud?

Don't know, I returned it because it only pushes air in one direction. The blades weren't straight cut, they were pitched.

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Fekuar 6 Inch Slim 650CFM Radiator Cooling Fans Universal Slim Pull Push 12V 80W Direct Replacement Electric Fan with Mount Kit, black | Direct Replacement Electric Fan with Mount Kit

Fekuar 6 Inch Slim 650CFM Radiator Cooling Fans Universal Slim Pull Push 12V 80W Direct Replacement Electric Fan with Mount Kit, black | Direct Replacement Electric Fan with Mount Kit

Product ID: 449282620

Details

Brand
Fekuar
Power connector type
3-Pin
Product dimensions
21.5L x 20.5W
Voltage
12 Volts
Wattage
80 watts

⚡12V 80W power

🌀650 CFM airflow

📏6-inch slim profile

57637CFA

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Description

🛠️ Cool your ride, rule the road — slim, strong, unstoppable.

ROBUST BUILD - Durable 10-blade design running at 2250 RPM ensures consistent, quiet performance.
VERSATILE FITMENT - Push or pull installation for universal compatibility across classic and hot rod engines.
COMPACT POWERHOUSE - Slim 6-inch design fits tight engine bays without compromise.
ENGINE BAY FREEDOM - Slim profile frees up space for your next-level engine modifications.
MAXIMUM COOLING EFFICIENCY - Delivers up to 650 CFM airflow to cool radiator, A/C, intercooler, and transmission.

The Fekuar 6 Inch Slim 650CFM Radiator Cooling Fan is a universal 12V electric fan designed for tight engine spaces. With a powerful 80W motor and 10-blade design, it delivers up to 650 cubic feet per minute of airflow at 2250 RPM, efficiently cooling radiators, A/C systems, and more. Its slim profile and push/pull fitment make it an ideal direct replacement for a wide range of classic and hot rod engines, combining performance with space-saving versatility.

Specifications

ASIN	B087TF2N2S
Air Flow Capacity	650 Cubic Feet Per Minute
Best Sellers Rank	#236,146 in Automotive ( See Top 100 in Automotive ) #282 in Car Engine Fans
Brand	Fekuar
Brand Name	Fekuar
Compatible Devices	Engines
Cooling Method	Air
Cooling method	Air
Customer Reviews	4.5 out of 5 stars 637 Reviews
Item Dimensions L x W x H	21.5L x 20.5W x 6.5H centimeters
Item Weight	1 Ounces
Manufacturer	Fekuar
Material Type	Plastic
Maximum Rotational Speed	2250 RPM
Model	UB0614
Noise Level	50 Decibels
Number of Items	1
Number of Packs	1
Part Number	UB0614
Power Connector Type	3-Pin
Power connector type	3-Pin
Product dimensions	21.5L x 20.5W x 6.5H centimeters
Unit Count	1 Count
Voltage	12 Volts
Wattage	80 watts

Reviews

User

Great Fan

Using this fan to blow air into my UTV under the seat area . Works great. Keeps air flow onto the engine/battery area and keeps my seat cooler for sitting..

11.06.2025

User

Cumple su Funcion

me encanto el producto, lastima que no soluciono el problema de mi vehiculo

12.12.2025

User

Fan refroidissement à huile

Très efficace pour radiateur à huile de bonne qualité prix raisonnable

22.09.2024

User

Modified to fit

Good fan. Seems robust. Had to trim to make it fit my application. Good airflow. Fairly quiet operation.

8.09.2024

User

Excelentísimo y muy fuerte

Puede empujar o jalar aire dependiendo como lo conectes, ten cuidado de apuntarlo bien. Prende durísimo, se fija con los cinchos q incluye, lo debes poner junto al radiador normal y atravesarlos con dichos cinchos. Queda muy firme y si se reporta más frío en carro y se enfría más rápido tambien.

26.02.2025

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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1 month ago

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57637CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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1 month ago

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