1. Fan & Shroud Assemblies Offers
  2. sku: 12214206330057604
  3. US WORKS 66837

US MOTOR WORKS Derale High Dual Fan Controller Cfm Amplifier 083277668371 Dra 4000DRA

fits model: 4000, Pwm.

66837 Us Motor Works Derale High-output Dual Fan Assembly With Pwm Controller Cfm 4000 Amp Dra

( Brand: Us Motor Works ), ( Part Type: Fan Controller Amplifier Motor ), ( UPC: 083277668371 ), ( Manufacturer Part Number: 66837 ), ( California Prop 65 Warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer Reproductive Harm. )

Review US MOTOR WORKS Derale High output Dual Fan Assembly Controller Cfm 4000dra fits 4000 PWM

Introducing the Derale Motor 66837 High-Output Dual Fan PWM Controller, a powerful and efficient solution for managing your cooling system. This controller is designed for high-performance applications, boasting a CFM (Cubic Feet per Minute) rating of 4000 and a maximum DRA (Dynamic Airflow) rating of 4000 amps.

The Derale Motor 66837 is a PWM (Pulse Width Modulation) controller, which allows for precise fan speed control. This results in improved cooling performance and reduced noise levels. The controller is equipped with two independent fan channels, each capable of managing a fan with a resistance range of 0.1 to 5.0 ohms.

The controller features a rugged, waterproof design with an IP68 rating, ensuring it can withstand the harshest environments. It is also compatible with a wide range of fan types, including DC brush fans and three-phase AC fans.

The Derale Motor 66837 comes with a user-friendly, adjustable speed knob, allowing for easy fan speed adjustment on the fly. It also includes a thermal protection feature, which automatically adjusts fan speed based on coolant temperature.

This high-output controller is ideal for a variety of applications, including racing, off-roading, and high-performance automotive use. With its advanced features, robust design, and high power handling capabilities, the Derale Motor 66837 is a must-have for any serious enthusiast looking to optimize their cooling system for maximum performance and efficiency.

The Derale High-Output Dual Fan PWM Controller (Model 66837) is a popular choice for those seeking to upgrade their cooling system in their vehicles. This controller offers a CFM rating of 4000 and a maximum amperage of 4000, making it an efficient and powerful option. Here are some pros and cons of purchasing this controller.

Pros:

1. High-performance: With a CFM rating of 4000 and an amperage of 4000, this controller can effectively manage the cooling needs of high-performance vehicles or those with large radiators.

2. PWM Technology: The PWM (Pulse Width Modulation) technology used in this controller allows for precise fan speed control, which can help maintain optimal engine temperature and improve fuel efficiency.

3. Dual Fans: The ability to control two fans independently allows for more effective cooling, especially in high-heat conditions.

4. Easy Installation: The plug-and-play design makes installation straightforward, and the controller comes with clear instructions and necessary hardware for most applications.

5. Compatibility: This controller is compatible with various fan types, including DC fans and thermostat-controlled fans, making it a versatile option for a wide range of vehicles.

Cons:

1. Price: The Derale High-Output Dual Fan PWM Controller is pricier than some other fan controllers on the market, which may be a deterrent for some buyers.

2. Limited Fan Speed Control: Although the PWM technology offers precise fan speed control, it does not offer a wide range of fan speed settings. Some users may prefer a controller with more fan speed options.

3. Size: The controller is relatively large, which may require additional wiring harnesses or mounting solutions for some installations.

In conclusion, the Derale High-Output Dual Fan PWM Controller (Model 66837) offers impressive performance, easy installation, and versatility, making it a valuable investment for those seeking to upgrade their vehicle's cooling system. However, its relatively high price tag and limited fan speed control options may be a concern for some buyers. Ultimately, the decision to purchase this controller depends on individual needs and preferences.

Recommendation: If you're looking for a powerful, efficient, and easy-to-install fan controller for your high-performance vehicle, the Derale High-Output Dual Fan PWM Controller (Model 66837) is an excellent choice. However, if you're on a budget or prefer a fan controller with a wider range of fan speed settings, there may be other options on the market that better suit your needs.

Details:

American Express.

part #: 66837 prices

  • $120.79-$1045.45

specifications shroudshell:

  • for models: 4000, Pwm
  • brand: Us Motor Works
  • part type: Fan Controller Amplifier Motor
  • upc: 083277668371
  • manufacturer part number: 66837
  • california prop 65 warning: This Product Contains A Chemical Known To The State Of California To Cause Cancer Reproductive Harm.

offer shroudshell:

  • availability: In Stock
  • quantity: 1
  • sold: 0
  • started: March 9, 2026
  • options: Ship-to-home

seller shroudshell:

  • rating: 99.2%
  • # reviews: 619547
  • city: , Ohio

returns shroudshell:

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

general shroudshell:

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

payments shroudshell:

  • other
  • wallet: Paypal
  • credit card: Visa

shipping shroudshell:

  • transit: 9-15 Days
  • class: Standard
  • service: Standard
  • cost: $0.00
  • type: Fixed
for models: 4000, pwm, part type: fan controller amplifier motor, california prop 65 warning: this product contains a chemical known to the state of california to cause cancer reproductive harm.,
category: auto parts > car truck parts accessories > engine cooling components > fan shroud assemblies, sku: 12214206330057604,

Us Motor Works 66837 Is Similar To:

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