Shop Nilight HVAC Blower Motor Resistor Fit for Ford F-150 2004-2014, F250 F350 Super Duty 2008-2010, Lincoln Mark LT 2006 2007 2008, Mercury Mariner 2008-2011 Replaces 3F2Z-18591-AA, YH-1715 in high quality, support 2 year warranty. HVAC Blower Motor Resistor Connector is made of high quality ABS and copper cores with features that ensure impact, heat, aging and high stiffness resistance.