OEM Fan Clutch 3583968M1 3780206M1 3783350M1 3783351M1 5425 5435 5445 5455 6235

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 fundamental difference between a fan clutch and a rigid fan (fixed fan)?
A: The fundamental difference lies in the method of energy consumption. A rigid fan consumes engine power unconditionally (proportional to the cube of the speed), which is wasteful. A fan clutch allocates power to the cooling system on demand; it is an energy management device that uses the saved power to drive the vehicle or equipment.

Q: Compared to an electric fan (no clutch), what are the advantages and disadvantages of a viscous fan clutch?
A: Advantages: 1) Robust structure, more resistant to high temperatures, vibration, and harsh environments. 2) Directly driven by the engine, providing high torque and strong cooling capacity. Disadvantages: 1) Still has a minimal level of power loss (bypass mode). 2) Control precision and response speed are inferior to electric fans. 3) Has potential failure points like fluid leakage.

Q: Why do some large equipment still prefer viscous clutches over full electric fans?
A: The main reasons are reliability and power. Large diesel engines under extreme conditions (e.g., mining, desert) require continuous output of huge cooling airflow. The motors of electric fans might be insufficient in power or prone to overheating. Mechanically driven viscous clutches draw power directly from the engine, providing uninterrupted power and are less sensitive to ambient temperature, offering higher reliability.

Q: How can you quickly distinguish between a viscous and a non-viscous fan clutch by appearance?
A: The most obvious feature is the presence of a bimetallic thermal spring on the front. A viscous clutch typically has a shiny, spiral-shaped bimetallic strip at the center of its front. An electromagnetic clutch usually has a flat front cover plate, with an electrical connector and electromagnetic coil housing on the side.

Q: What is the difference between fan clutches used in heavy-duty trucks and light-duty trucks?
A: The main differences are in size, torque capacity, and durability requirements. Heavy-duty truck clutches are larger in diameter, heavier, and designed to transmit higher torque to drive larger fans and withstand longer periods of continuous high-load operation. Their bearings and seals are also built to higher standards.