20005323 KAMAZ Heavy Duty Fan Clutch Viscous Coupling For Fan

DescriptionWe have established long-term and solid cooperative relations with many companies in the same industry in China and overseas. Our consultant team provides timely and professional after-sales service to satisfy our customers. We will send you detailed information and parameters of the products for your comprehensive understanding. We provide free samples and can arrange company visits. We welcome you to the factory for negotiation at any time. Hope to receive your consultation and establish a long-term partnership.

Service

Fantronic Clutchpro's business philosophy is simple: we are committed to providing unparalleled service to our customers.

How do we achieve this ?

1. Quality parts: We only provide the highest quality parts

2. Dedicated employees: Each of our employees is wholeheartedly committed to meeting customer expectations.

3. Technical expertise: Years of industry experience, combined with advanced technology, enable us to identify customers' parts needs, even if it is just a vehicle chassis number.

4. Delivery service: Nopei provides 7-day delivery service worldwide.

5. After-sales service: Our commitment to customers does not stop at sales, customer satisfaction is crucial before, during and after every transaction.

Advantage

Stable quality, favorable prices, professional sales consultants, 24-hour online customer service
FAQ

1. Are you a manufacturing company or a trading company?

We are a manufacturer of fan clutches and have been in the industry for more than 20 years.

2. What types of parts can you provide?

@We are committed to providing one-stop purchasing services for heavy truck-heavy machinery users. (Especially focus on cooling system parts, fan clutch/fan blade/fan clutch water pump.

3. How long is your production lead time?

@ 1 working day for inventory; 30 days for mass production.

Express Delivery

A full range of sea and air logistics systems, providing you with the most convenient logistics experience, quick response, saving your time.

4. How is the quality and after-sales service? One year warranty, if there is any actual quality problem, we will refund or send new products as compensation.

5. What is your packaging?
Neutral packaging box or customized according to customer requirements
6. Can I provide a sample?
If the customer is willing to pay the sample fee, we can provide samples.
7. Will you test our products before shipment?
Yes, we have 100% tested before shipment.
8. How about the delivery time?
Usually 7-14 days, if the quantity is large, it will take 35 days.
9. Can you produce according to the sample?
If the quantity is suitable, we will develop according to the sample.

Q: What is the primary operational difference between a viscous fan clutch and an electromagnetic fan clutch?
A: The core difference lies in the engagement mechanism. A viscous clutch relies on the thermal expansion of a bi-metallic coil to regulate silicone fluid flow, creating a hydraulic coupling. Its operation is mechanical and analog, providing proportional control. An electromagnetic clutch uses an electrical coil to create a magnetic field that physically pulls a friction disc into engagement, connecting the drive to the fan. It's digitally controlled by the ECU, offering on/off or PWM (Pulse Width Modulation) control for precise, rapid engagement and disengagement without relying on temperature-dependent fluids.

Q: Why is it crucial to inspect the fan blades themselves when replacing a faulty fan clutch?
A: Fan blades can develop cracks, especially near the hub, due to stress and age. A cracked blade can cause severe imbalance, leading to vibration that will quickly destroy the new clutch's bearings and potentially the water pump. Additionally, plastic blades can become brittle and lose their designed pitch (shape), reducing their ability to move air efficiently. Always inspecting and replacing damaged fans ensures the new clutch operates in a balanced environment and delivers its full cooling potential.

Q: What special requirements does the silicone oil in a silicone oil fan clutch have?
A: The silicone oil in a silicone oil fan clutch must meet specific standards to ensure proper operation. First, it needs to be a dedicated high-temperature resistant type, capable of withstanding temperatures ranging from -40℃ to over 200℃—this prevents the oil from freezing in cold weather or breaking down in high engine temperatures. Second, it must have stable viscosity-temperature characteristics, meaning its viscosity changes minimally with temperature fluctuations. This ensures consistent torque transfer and reliable fan speed adjustment. Additionally, it is strictly forbidden to mix this silicone oil with other types of oil (such as engine oil or transmission oil), as foreign oils can damage the clutch’s internal seals, contaminate the working chamber, and ultimately cause the clutch to fail in adjusting the fan speed. Using non-specified silicone oil may also shorten the clutch’s service life significantly.