Derale PWM Electric Fan Powerpacks

4.12 out of 5 stars 33 Customer Reviews

Get complete control of your engine temperature! Derale PWM electric fan Powerpacks have integrated their high-performing PWM fan controllers into the fan units. Th

Get complete control of your engine temperature! Derale PWM electric fan Powerpacks have integrated their high-performing PWM fan controllers into the fan units. The PWM fan controller features built-in soft start technology and utilizes pulse width modulation to constantly adjust electric fan speeds from 0-100%. This maintains the optimal engine operating temperature while allowing the fans to operate at the percentage needed, instead of 100% all the time. By using the fans at the percentage needed component life is increased and amperage spikes are eliminated. The Powerpacks use high output electric fans incorporat

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12 Inch 4,000 CFM Derale PWM Electric Fan Powerpacks 66838

Electric Fan, Powerpack Assembly, 12 in. Diameter, Puller, 4,000 cfm, Black, Plastic, Shroud, Aluminum, Each

Part Number: DER-66838

4.2 out of 5 stars ( 10 )