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

⚡80W power efficiency

🌀650 CFM airflow

📏6-inch slim profile

₩116340

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Description

🛠️ Cool your engine, upgrade your ride — slim, strong, and ready to perform!

QUIET YET ROBUST - Operates at a low 50dB noise level while delivering 2250 RPM of reliable cooling power.
UNIVERSAL HOT ROD FIT - Tailored for classic Chevy, Ford, Buick & more—your vintage ride’s perfect match.
SPACE SAVVY SLIM DESIGN - Fits tight engine bays, unlocking room for your custom mods.
POWERFUL 650 CFM AIRFLOW - Maximizes cooling efficiency to keep your engine running cooler, longer.
DUAL PUSH PULL COMPATIBILITY - Seamlessly replaces or upgrades with push or pull configurations.

The Fekuar 6 Inch Slim 650CFM Radiator Cooling Fan is a universal 12V electric fan designed for tight engine spaces. With a slim 6-inch diameter and 10 straight blades, it delivers a powerful 650 CFM airflow at 2250 RPM while consuming 80 watts. Compatible with a wide range of classic and hot rod engines, it supports both push and pull configurations, ensuring versatile installation. Its quiet 50dB operation and included mount kit make it a direct replacement that enhances engine cooling for radiator, A/C, intercooler, oil, and transmission systems.

Specifications

ASIN	B087TF2N2S
Air Flow Capacity	650 Cubic Feet Per Minute
Best Sellers Rank	#233,827 in Automotive ( See Top 100 in Automotive ) #281 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 636 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
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

C**R

Cumple su Funcion

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

12.12.2025

S**S

Modified to fit

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

8.09.2024

A**S

VC13 Mini Excvator

Bought 2. Works great on my Vc13 mini

7.04.2026

J**H

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

R**N

Fan refroidissement à huile

Très efficace pour radiateur à huile de bonne qualité prix raisonnable

22.09.2024

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₩116340

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered 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 South Korea.

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TrustScore 4.5 | 7,300+ reviews

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