DUECO Inc. (DUECO), a manufacturer of utility vehicles, is recalling certain Dueco-modified model year 2009-2011 International 4300, 2010 International 4400, 2009 and 2011 International 7400, 2010 Freightliner M2, 2008-2009 GMC C5500, and 2011 Ford F-750 vehicles, equipped with Sure Power DC-DC converters containing a particular epoxy sealing, aka ‘potting’, compound. The specific potting compound used in the subject products for insulation was found to be capable of conducting electricity after being exposed to heat.