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1955-1960 Corvette DeWitts Radiator LS Series Engine Upgrade 32-4139055A

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Brand Logo DeWitts Radiators
Item ID: 606-970
GM Part #: 3133689
Availability: Ships Directly From Supplier
   Pending Manufacturer Availability
Fits Years:
  • 1955-1960
$1,499.99
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  • Description

1955-1960 DeWitts Radiator LS Series Engine Upgrade 32-4139055A - OEM Number(s) (3133689)

Mid America Motorworks now offers DeWitts special LS Series Corvette Radiators. This Retro-Mod Radiator is built to fit the stock mounting but configured to hook up with a newer LS series engine. High performance Spal fans are mounted directly to the radiator, eliminating the need for the factory fan and shroud. Relay and wiring harness is also included in each package. Connection sizes are changed to match the ports on the new motor. We also include a connection for the steam line and install the fan control switch into the end tank.

Made in USA

  • Direct fit with Stock Mounts
  • High Performance Spal Fan
  • Wire Harness Included
  • Directly Hooks up to Newer LS Series Engine
  • Includes Automatic Transmission Cooler
  • May Be Used On Manual Transmission Also
 DeWitts High Performance Radiators Technical Information
Radiator and Materials           Description
Radiator Material Aluminum
Radiator Style Downflow
Inlet Location  Upper Driver Side (LH)
Outlet Location Lower Passenger Side (RH) 
Overall Width 26.25 in
Overall Height  18.75 in 
Overall Thickness   6.75 in 
Row Quantity  2
Radiator Finish Natural
Core Width 23.00 in
Core Height 14.00 in 
Core Thickness    2.25 in
Radiator Inlet Size    1.50 in 
Radiator Outlet Size   1.75 in 
Radiator Cap Included No
Radiator Weight  12 lbs 
Fan Included Yes 
Fan Quantity Single
Fan Diameter  16.00 in
Max Fan CFM 2,360 cfm 
Fan CFM Range 2,300 - 2,399
Blade Material  Plastic
Blade Color  Black
Transmission Cooler Yes 
Trans Cooler Adapter Fittings Included Single 
Tube Size   1.00 in 
Cooler Thread Size  5/16 Inverted Flare 
Shroud Material Aluminum 
Shroud Color Natural

 

 

 

Also known under these part numbers: (For reference only)

  • 3133689
  • 32-4139055A
  • LS55MRX
Prop 65