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: How does the fan clutch 'disengage' when I'm going downhill and the engine is cool?
A: It's a continuous cycle of sensing and reacting:
1.Cool Down: As you cruise downhill, engine load and heat output drop.
2.Cooler Airflow: The air passing through the radiator is now cooler.
3.Spring Reacts: This cooler air flows over the bi-metallic spring, causing it to cool down and contract (re-coil).
4.Valve Closes: As the spring re-coils, it mechanically closes the valve that feeds silicone fluid into the working chamber.
5.Shearing Stops: With the fluid drained back to the reservoir, the viscous coupling effect stops, and the fan disengages, freewheeling at minimal RPM.

Q: Why is there a specific amount of silicone fluid, and what happens if it's overfilled?
A: The volume and viscosity of the fluid are precisely calibrated to achieve the designed lock-up percentage and engagement characteristics.
Correct Fill: Provides the designed viscous shear for smooth, controlled engagement.
Overfill: Would cause the clutch to engage too aggressively or even lock up prematurely, as there is too much fluid to shear. This would mimic a failed clutch, causing constant drag, noise, and poor fuel economy.
This is why they are sealed units at the factory—to maintain this precise fluidic engineering.

Q: How to distinguish between engine overheating caused by a fan clutch fault and a radiator fault?
A: Distinguishing between engine overheating caused by a fan clutch fault and a radiator fault can be done by observing the fan’s operation and inspecting the radiator, using simple steps. First, start the engine and let it warm up until the temperature gauge shows it’s in the hot range (or until the overheating warning light comes on). Observe the fan’s behavior: if the fan is not rotating at all, rotating very slowly, or not increasing speed as the engine heats up, the problem is likely a fan clutch fault (e.g., oil leakage in silicone oil types, sensor failure in electronic types)—the clutch cannot provide sufficient airflow. In contrast, if the fan is rotating at high speed continuously but the engine still overheats, the issue is probably a radiator fault. The fan is working normally, but the radiator cannot effectively dissipate heat. To confirm the radiator fault, inspect the radiator: check for visible coolant leaks (oil stains or wet spots on the radiator body or hoses), as a leak reduces coolant volume and heat exchange. Also, check if the radiator fins are clogged with dust, bugs, or debris—clogged fins block airflow through the radiator core, preventing heat from escaping. You can also check the coolant level: low coolant (due to leakage or evaporation) is a common cause of radiator-related overheating. If the coolant level is normal, the radiator may have internal blockages (e.g., scale buildup) that require professional cleaning or replacement.