DERALE High Single Electric Fan Shroud Kit Controller 083282668212 Fan/alum

( Brand: Derale ), ( Type: Engine Cooling Fan Assembly ), ( Manufacturer Part Number: 66821 ), ( Performance Part: Yes ), ( UPC: 083282668212 )

Review DERALE High Output Single Inch Electric Rad Fan/alum Shroud Kit Controller fits PWM 2017

Introducing the Derale 66821 High Single 17 Electric Rad Fan Kit with Aluminum Shroud and PWM Controller. This fan kit is designed to provide optimal cooling performance for your engine, ensuring efficient and reliable operation.

The High Single 17 fan features a powerful electric motor that delivers impressive airflow, making it an excellent choice for high-performance applications. The fan blade design is optimized for maximum airflow and minimal drag, ensuring that your engine stays cool even during the most demanding conditions.

The fan kit comes with an aluminum shroud that not only enhances the aesthetic appeal of your engine bay but also improves the fan's efficiency. The shroud is designed to direct airflow towards the core of the radiator, ensuring that every inch of cooling surface is effectively cooled.

The Derale 66821 fan kit also includes a PWM (Pulse Width Modulation) controller. This advanced controller allows for precise fan speed control, ensuring that your engine stays at the optimal operating temperature. The PWM controller is easy to install and can be integrated with most aftermarket gauge packages and factory wiring harnesses.

The fan is designed to be compatible with a wide range of applications, making it a versatile choice for various vehicle types. The kit includes all necessary hardware for installation, including mounting brackets, wiring harness, and fan mounting screws.

The Derale 66821 High Single 17 Electric Rad Fan Kit with Aluminum Shroud and PWM Controller is manufactured to the highest standards of quality and durability. The fan motor is built to withstand the rigors of high-performance use, while the aluminum shroud and PWM controller are designed for long-lasting performance. With its powerful airflow, precise speed control, and easy installation, this fan kit is an excellent choice for anyone looking to upgrade their cooling system.

Pros and Cons of Buying Derale 66821 High Single 17 Electric Rad Fan with Alum Shroud Kit and PWM Controller

The Derale 66821 is a high-performance electric cooling fan kit designed for heavy-duty applications. This fan kit includes an aluminum shroud, a PWM controller, and a high-speed electric fan. In this analysis, we will discuss the advantages and disadvantages of purchasing this fan kit.

1. High-Efficiency: The Derale 66821 fan is designed to provide superior cooling performance, ensuring that your engine remains at optimal operating temperatures.

2. PWM Controller: The inclusion of a PWM (Pulse-Width Modulation) controller offers precise fan speed control, which is beneficial for both fuel economy and engine longevity.

3. Durable Construction: The fan is made of high-quality materials, including an aluminum shroud and a robust motor, ensuring longevity and reliability.

4. Easy Installation: The fan kit comes with all necessary mounting hardware and a wiring harness, making installation a relatively straightforward process.

5. Adjustable Speed: The PWM controller allows for fan speed adjustment, giving users the flexibility to customize their cooling system to their specific needs.

1. Price: The Derale 66821 fan kit is more expensive than some other fan options in the market. However, its high-performance features may justify the investment for certain applications.

2. Size: The fan is larger than some standard fans, which may require additional clearance for installation.

3. Complexity: The inclusion of the PWM controller adds some complexity to the installation process, which may be a drawback for some users who prefer simpler solutions.

The Derale 66821 high single 17 electric rad fan with an aluminum shroud kit and PWM controller is an excellent investment for those seeking high-performance cooling solutions for their heavy-duty applications. Its advantages, including high-efficiency, precise fan speed control, durable construction, ease of installation, and adjustable speed, outweigh its disadvantages, such as the higher price and size.

If you require a reliable and efficient cooling solution for your heavy-duty vehicle or industrial application, the Derale 66821 fan kit is an excellent choice. Its advanced features, such as the PWM controller and high-quality construction, ensure optimal engine performance and longevity. While it may be more expensive than some other fan options, the investment is justified for those seeking top-tier cooling performance.

Details:

This unit features an Aluminum shroud measuring 20 3/4 wide by 17 5/8 top to bottom and is only 3 in overall depth offer a precision fit. Raw aluminum shroud construction can be polished, painted or anodized. This 17 high output two-speed fan is one of the best in our line-up offering up to 2400 cfm and specifically designed thrive on thick, tight fin radiator cores. The controller utilizes Pulse width Modulation to constantly adjust electric fan speeds from 0-100%, maintaining the optimal engine operating temperature.

Constantly adjusts fan speed to maintain the desired temperature. Manufacturer: Derale, Part Number: 66821, condition: New: High Output Single 17 Electric RAD Fan/Alum Shroud Kit w/ PWM Controller Get complete control of your engine temperature. Derale Performance has combined their high-performing shrouded PowerPC's with the ultimate fan controller. No more reacting to the engine temps, you can control it.

Using a high output electric fan incorporated into an engineered shroud, this PowerPC can conquer even the most difficult cooling conditions. Now add the PWM Fan Controller with built-in soft start technology.

part #: 66821 prices

• $716.61-$717.61

specifications shroudshell:

• for models: Pwm
• for years: 2017
• brand: Derale
• type: Engine Cooling Fan Assembly
• manufacturer part number: 66821
• performance part: Yes
• upc: 083282668212

general shroudshell:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Fan Shroud Assemblies

returns shroudshell:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

offer shroudshell:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 2
• started: September 24, 2025

shipping shroudshell:

• class: Standard
• transit: 2-6 Days
• type: Fixed
• service: Standard
• cost: $0.00

payments shroudshell:

• wallet: Google-pay
• credit card: Visa
• other

seller shroudshell:

• rating: 99.7%
• city: San Leandro, California
• # reviews: 109145

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