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2005-2006 Corvette Radiator and Fan Kit Direct Fit Aluminum with Z51

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Brand Logo DeWitts Radiators
Item ID: 642-390
Availability: Ships Directly From Supplier
   Pending Manufacturer Availability
Fits Years:
  • 2005-2006
$1,519.99 This Item is Not Eligible for Promotional Discounts
  • Description

2005-2006 Radiator and Fan Kit Direct Fit Aluminum with Z51

Enjoy maximum engine cooling efficiency with our convenient 2005-2006 Corvette Radiator and Fan Package. For 2005-2006 Z51 Option.

Dewitts Direct Fit 2005-2006 Z51 Optioned Corvette Aluminum Radiator and Spal Fan Package features two rows of 1" tubes, doubling the cooling capacity vs. the factory GM single row unit. Exclusive press formed aluminum end tanks are tig-welded by expert craftsman, eliminating the leaks common to the plastic tanks found on factory units. Radiator also features correct engine & transmission oil cooler line fittings unique to 2005-2006 Corvettes with Z51 Performance Package. Combine this with Spals dual fan which boosts air flow up 40% from stock and you're at the pinnacle of C6 Corvette engine cooling efficiency!

NOTE: Factory wiring will need to be cut and spliced in order for the factory ECM to operate the fans.

NOTE: 2007 Corvettes with the Z51 option did not have the Engine Oil Cooler. Use 642393 for 2007-2009 with Z51.

Made in USA


  • Fits All 2005-2006 Corvette w/Z51 Performance Package
  • Dewitts Direct Fit Aluminum Radiator 1139105B
  • Increased Cooling Capacity
  • Aluminum Tanks Superior to Factory Plastic Type
  • Supports LH Engine Oil Cooler & RH Treansmission Oil Cooler Unique to 2005-2006 Z51 Models
  • 100% Hand Built in USA

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

  • 32-4139105B
  • 12511111
  • 4139105B
Prop 65