Severe Duty Cooling Kit – with Severe Duty Radiator, High Output Aluminum Shrouded Electric Fans and PWM Controller in one Kit

Description

Engineered for trucks and SUV’s that work hard and run hot, the Derale Severe-Duty Cooling Kit combines increased cooling capacity, high-output airflow, and heavy-duty construction into one complete package. Designed for towing, hauling, off-road use, as well as high-demand applications where factory cooling systems fall short.

Complete cooling KIT includes:

• Severe-Duty Radiator
• Dual high-output electric fans
• PWM CONTROLLER
• Aluminum Shroud

Kit Specifications:

  • Width: 34’’
  • Height: 17-1/4’’
  • Depth: 1-1/8’’
  • Overall Depth: 3-3/4”
 

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Severe-Duty Radiator
PN: OSC-2370SD Features:

  • Severe-Duty Steel Crimp Strips
  • More tubes than OE
  • More fins per inch
  • Larger tube design
  • Increased thermal efficiency and durability
  • All hardware, clamps, and bushings included
  • Engineered to OE fit and function while delivering
    increased airflow, improved cooling efficiency, and
    enhanced long-term durability

Dual 17’’ Electric Fans & Shroud
PN: 16843 Features:

Electric Fans

  • (2) High-output dual-speed 265-watt motors
  • (2) 2400CFM Electric Fans (4800CFM Combined)
  • Amp draw per fan: 23.5/23.5 High Speed
    17.4/17.4 Low Speed
  • Ultra-quiet skewed blade design
  • For puller (engine side) applications only

Raw Aluminum Shroud

  • Tig-Welded Corners
  • Integrated stator flow directors
  • Polish, Anodize or Paint to match your build
  • Multiple mounting options


PWM Fan Controller
PN: 16797 Features:

  • Pulse Width Modulation controls fan(s) speed
    from 0-100%
  • Soft start technology
  • Constantly adjusts fan(s) speed to maintain the
    desired temp
  • Reduced fan noise
  • Controls multiple electric fans up to 70amp capacity
  • 20-second cooldown timer when the vehicle is
    turned off
  • Black Finned, 6061 aluminum housing

Reference Chart for vehicle applications.

Make Model Year Range(s)
Cadillac Escalade 2002–2014
Chevrolet Avalanche 2002–2013
Chevrolet Silverado 1500 2001–2013
Chevrolet Silverado 2500 1999–2010
Chevrolet Silverado 3500 2001–2010
Chevrolet Suburban 2000–2014
Chevrolet Tahoe 2005–2014
GMC Sierra 1500 2001–2013
GMC Sierra 2500 1999–2010
GMC Sierra 3500 2001–2010
GMC Yukon 2000–2014
Hummer H2 2003–2004, 2008–2009

 

68843 Instruction Sheet

 

PWM Installation Tips Video

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