RE574122 Viscous Fan Clutch Assembly Fits John Deere 7220 7820 RE189801

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: After installing a new fan clutch, what tests should be performed to verify that it is functioning properly?​
A: After installing a new fan clutch, several tests are necessary to confirm its normal operation. First, conduct an idle test: start the engine and let it run at idle speed (usually 700-900 rpm) for 5-10 minutes. During this period, observe the fan’s rotation speed—when the engine is cold (coolant temperature below 70°C), the fan clutch should be in a disengaged or semi-disengaged state, and the fan should rotate at a low speed (approximately 30%-50% of the engine’s idle speed) to reduce power consumption. As the engine warms up (coolant temperature rises to 80-90°C, the normal operating temperature), the fan clutch should engage gradually, and the fan’s rotation speed should increase significantly to enhance cooling. Second, perform a temperature-controlled engagement test: use a infrared thermometer to monitor the coolant temperature. When the temperature reaches the manufacturer-specified engagement temperature (typically 82-90°C), listen for a slight "click" sound (indicating the fan clutch’s internal valve has opened) and observe that the fan speed increases rapidly. When the temperature drops to the disengagement temperature (usually 75-85°C), the fan speed should decrease accordingly, confirming that the temperature control function is working. Third, check for abnormal noises or vibrations: during the test, listen for any grinding, squealing, or rattling noises coming from the fan clutch area, and feel for unusual vibrations in the engine compartment. If such issues occur, it may indicate improper installation (e.g., loose bolts) or a defective fan clutch. Finally, conduct a road test: drive the vehicle under normal conditions (such as urban roads and highways) for 20-30 minutes, monitor the coolant temperature gauge to ensure it remains within the normal range (typically 80-100°C), and confirm that there are no sudden temperature spikes or drops, which would indicate the fan clutch is not regulating cooling effectively.

Q: What is the recommended frequency for inspecting a fan clutch during routine vehicle maintenance, and what key aspects should be checked during the inspection?​
A: For routine vehicle maintenance, it is generally recommended to inspect the fan clutch every 6 months or 10,000-15,000 kilometers (whichever comes first), as regular inspections can help detect potential issues early and avoid sudden failures. During the inspection, several key aspects need to be focused on. First, check the external condition of the fan clutch: look for signs of oil leakage (such as oil stains around the fan clutch housing or on the mounting surface), as oil leakage indicates damage to the internal seal of the fan clutch, which will reduce its torque transmission efficiency and may lead to complete failure. Second, inspect the fan blades and mounting bolts: check if the fan blades have cracks, chips, or deformation (which may be caused by impact or long-term fatigue), and ensure that the mounting bolts connecting the fan clutch to the drive component are tight—use a torque wrench to recheck the torque if necessary, as loose bolts can cause the fan to wobble and generate noise. Third, test the fan clutch’s free rotation and resistance: with the engine turned off and cool, manually rotate the fan. It should rotate freely for 2-3 full turns (without excessive resistance) and then come to a stop gradually; if it is difficult to rotate or stops immediately, it may indicate internal jamming of the fan clutch. Additionally, when rotating the fan, check if there is any abnormal play (excessive movement) in the fan clutch’s bearing—excessive play suggests bearing wear and may require replacement of the fan clutch. Fourth, check the connection between the fan clutch and the drive belt (if applicable): ensure the drive belt is properly tensioned (no slack or excessive tightness) and that there are no signs of wear (such as cracks, fraying, or glazing) on the belt, as a faulty drive belt can affect the fan clutch’s operation. Finally, if the vehicle is equipped with an electric fan clutch, inspect the wiring harness and connectors for damage, corrosion, or loose connections, as electrical issues can cause the fan clutch to fail to engage or disengage.