Derale 19" High-Output, Electric Radiator Fan-and-Shroud Assembly - 2,400 CFM

Derale Radiator Fans - D16919

19-1/2" Wide x 18" tall x 3-5/8" deep, high-output, 2-speed electric fan assembly will boost your vehicle's fuel economy and increase both torque and horsepower.

Features:

• Increases fuel economy, horsepower and torque
• Improves overall performance
• Has patented, ultra-quiet, skewed-blade design
• Designed with durable, powder coated metal shroud
• Offers 2 different speeds
  • Separate turn-on sources required for 2-speed operations
• Can be mounted in various locations behind the radiator
  • Puller applications only
• Includes all necessary mounting hardware and high-amperage relay wiring harness
• Made in USA

Specs:

• Overall dimensions: 19-1/2" wide x 18" tall x 3-5/8" deep
• Mounting dimensions: 15-3/4" wide x 8-7/8" tall x 1-5/8" deep
• Maximum cubic feet per minute:
  • 2,400 at high speed
  • 1,800 at low speed
• Power draw:
  • 23.5 amps at high speed
  • 17.4 amps at low speed
• 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.

While this assembly is intended for primary cooling and should, therefore, provide enough CFM to replace your vehicle's factory fan, you will still need to determine the CFM requirements for your engine before making your purchase. 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.

16919 Derale High-Output Single RAD Fan with Shroud

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