Derale 5" High-Output Extreme Paddle Blade Electric Fan - 315 CFM

Derale Radiator Fans - D16105

5-5/8" Wide x 6-1/4" tall x 2-1/4" deep, high-output, electric fan improves gas mileage and boosts overall performance by maintaining proper airflow to your vehicle's radiator. Includes standard mounting kit.

Features:

• Increases fuel economy
• Improves overall performance
• Moves large volume of air with oversize paddle blades and high-watt, high-torque motor
• Designed to be waterproof and dustproof - perfect for off-road use
• Can be mounted in various locations behind the radiator
  • Fan both pulls and pushes 315 CFM
• Includes standard mounting kit with installation instructions

Specs:

• Overall dimensions: 5-5/8" wide x 6-1/4" tall x 2-1/4" deep
• Fan dimensions: 5" diameter x 1-1/4" deep
• 3-Hole mount: 4-1/4" apart
• Maximum cubic feet per minute: 315
• Power draw: 3.6 amps
• 1-Year warranty

Whereas belt-driven fans use up power from the engine to turn, electric fans do not, thus removing any unnecessary load and increasing both fuel economy and horsepower. In addition, you do not have to worry about an electric fan's slowing down at low RPM, as many belt-driven fans do, so you are guaranteed sufficient airflow regardless of the vehicle speed.

Before purchasing an electric fan, be sure to determine the CFM (cubic feet per minute) requirements for your engine. And remember, engines that have been modified or vehicles often used for towing may require additional CFM. There is no limit to the number of fans you can install, as long they all fit appropriately and are mounted on the same side of your radiator so that they do not cancel each other out.

Two types of turn-on sources are available for this fan. The Derale Lighted On/Off Switch for Electric Fans (D16740) allows for manual control of your fan so that you can choose when to turn it on and off. Thermostatic controls, on the other hand, send a signal to the fan, directing it to shut off when fluid temperatures reach an appropriate level, thus saving power. Once the temperature climbs again and additional cooling is needed, the fan is automatically turned back on. Thermostat switches can be single-stage with pre-set temperatures - D16735, D16738, D16739, D16720 and D16721 - or adjustable - D16778 and D16779.

16105 Derale High-Output Extreme Radiator Fan

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Derale 4" High-Output Extreme Paddle Blade Electric Fan - 125 CFM$84.95

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Ask the Experts about this Derale Radiator Fans

• Transmission Cooler Recommendations for a 2008 Ford F-150
  
• Adding fans like # D16105 will optimize the cooling efficiency of the factory cooler but you are not likely to see additional benefits if traveling at highway speeds. The benefits will come with the vehicle moving slowly are stopped. What I recommend is adding a supplemental remote cooler with its own fan, like # D12733 or a kit like # D15950. The benefit is that you can mount this type of cooler where you have space and you will receive the optimum amount of cooling.
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