The HVAC blend door actuator controls the temperature of air blowing into the interior of the vehicle. It usually produces a clicking or popping sound during operation when faulty, which results in incorrect A/C or heater temperatures inside the vehicle. Fits the Following Vehicles: Buick: 1991-1993 Commercial Chassis - Main 1991-1993 Roadmaster - Main Cadillac: 1993 Commercial Chassis - RWD - Main 2000-2005 DeVille - Main/Left Main 1993 Fleetwood - Main Chevrolet: 1992-1994 Blazer - Main 1988-1994 C1500 - Main 1992-1994 C1500 Suburban - Main 1988-1994 C2500 - Main 1992-1994 C2500 Suburban - Main 1988-1994 C3500 - Main 1990-1991 C50 - Main 1990-1995 C5500 Kodiak - Main 1990 C60, C70 - Main 1990-1996 C60 Kodiak - Main 1997-2002 C6500 Kodiak - Main 1990-1996 C70 Kodiak - Main 1997-2002 C7500 Kodiak - Main 1990-1996 Corvette - Main 1988-1994 K1500 - Main 1992-1994 K1500 Suburban - Main 1988-1994 K2500 - Main 1992-1994 K2500 Suburban - Main 1988-1994 K3500 - Main GMC: 1988-1994 C1500 - Main 1992-1994 C1500 Suburban - Main 1988-1994 C2500 - Main 1992-1994 C2500 Suburban - Main 1988-1994 C3500 - Main 1990 C5000 - Main 1990-1991 C5000 Topkick - Main 1991-1995 C5500 - Main 1990 C6000 - Main 1990-1996 C6000 Topkick - Main 1991-1996 C6500 - Main 1995-2002 C6500 Topkick - Main 1990 C7000 - Main 1990-2002 C7000 Topkick - Main 1997-2002 C7500 Topkick - Main 1988-1994 K1500 - Main 1992-1994 K1500 Suburban - Main 1988-1994 K2500 - Main 1992-1994 K2500 Suburban - Main 1988-1994 K3500 - Main 1992-1994 Yukon - Main Ford: 2006-2012 Fusion - Main 2010-2012 Fusion - Left Main - Flex, Full Hybrid EV-Gas (FHEV), Gas Lincoln 2007-2012 MKZ - Main 2011-2012 MKZ - Full Hybrid EV-Gas (FHEV) 2010-2012 MKZ - Left Main - Gas 2006 Zephyr - Main 1998-2001 ML320 2010-2003 ML320 - Main 2003-2005 ML350 - Main 1999-2001 ML430 2001 ML430 - Main 2002-2005 ML500 - Main 2000-2001 ML55 AMG 2001-2003 ML55 AMG - Main 2006-2011 Milan - Main 2010-2011 Milan - Left Main - Gas, Flex, Full Hybrid EV-Gas (FHEV) Oldsmobile: 1991-1992 Custom Cruiser - Main Volvo: 2011-2014 VAH - Auxiliary, Upper Auxiliary 2003-2014 VHD - Auxiliary 2004 VN - Auxiliary 2003-2016 VNL, VNM - Auxiliary 2000-2001 VNM - Upper Auxiliary 2015-2016 VNX - Auxiliary 2006-2010 VT - Auxiliary Replaces Part Numbers: 16141802, 16045655, 16055595, 16124962, 16133829, 16134099, 16135672, 16135682, 16141439, 16145772, 1572654, 16124952, 16149192, 1638200108, 52474878, 52474989, 52482937, 52487844, 52492937, 6E5Z19E616A, 6E5Z19E616AA, 85104208, 89018368, 89018369, 89018370, 89018380, 89018381, AE5Z19E616A, AE5Z19E616B, AE5Z19E616C, 604-991 This is a compatible replacement part manufactured by AA Ignition. This blend door actuator is NOT a genuine OEM part. Vehicle makes and their associated vehicle models and part numbers are used in this listing only to identify the vehicles this blend door actuator fits.