Engine Cooling Coupling Viscous Fan Clutch For KAMAZ 020003249 020003277

Product Specification

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 a 'solenoid-controlled' fan clutch work differently from a standard thermal one?
A: This is a more advanced design found on some modern vehicles:
Standard Thermal: Purely mechanical. The bi-metallic spring reacts to radiator air temperature.
Solenoid-Control: Electro-mechanical. It still uses silicone fluid, but the valve is operated by an electric solenoid instead of a bi-metallic spring. The vehicle's ECU controls the solenoid based on data from multiple sensors (coolant temp, A/C pressure, load, etc.). This allows for more precise and proactive control of cooling, improving efficiency. Diagnosis requires scanning for ECU codes.

Q: Why is the fan clutch mounted on the water pump shaft?
A: This is a design choice for efficiency and simplicity:
1.Direct Drive: The water pump is already driven by the engine's serpentine/accessory belt, so it's a logical and direct place to power the cooling fan.
2.Proximity to Coolant: The water pump is the component actively circulating the engine coolant that needs to be cooled. Mounting the fan clutch here puts the fan in immediate proximity to the heat exchanger (radiator).
3.Structural Support: The water pump bearing and shaft are designed to handle the significant radial and axial loads generated by a heavy, spinning fan.

Q: What impact does excessive clearance in a fan clutch have?
A: Excessive clearance in a fan clutch—whether between external components or internal parts—can negatively affect its performance and the engine’s cooling system. Externally, if there is too much space between the fan blades and the clutch housing, or between the fan and the radiator, airflow generated by the fan will leak through these gaps instead of passing through the radiator core. This reduces the amount of cool air that contacts the radiator, lowering heat dissipation efficiency and potentially causing the engine to run hotter than normal. Internally, excessive clearance between the clutch’s friction plates and the driving/driven discs (common in worn clutches) weakens the friction force needed for torque transfer. This means even when the clutch is supposed to engage fully (e.g., in lock-up mode), the fan cannot reach the required speed because the plates do not make sufficient contact. The result is insufficient airflow, engine overheating, and increased fuel consumption as the engine works harder to compensate for poor cooling. Additionally, excessive internal clearance can cause the clutch to engage and disengage more frequently (known as "chattering"), leading to increased noise and accelerated wear on the friction plates. To avoid these issues, the fan clutch’s clearance (both internal and external) should be checked during maintenance and adjusted or repaired according to the vehicle manufacturer’s specifications.