Replace OEM Numbers: 604-101, 15-72507, 52474810 Blend Door Actuator Compatible with: 2002 for Cadillac Escalade2002 for Cadillac Escalade EXT2002 for Chevy Avalanche 15002002 for Chevy Avalanche 25001999-2002 for Chevy Silverado 15002001-2002 for Chevy Silverado 1500 1999-2002 for Chevy Silverado 25002001-2002 for Chevy Silverado 2500 2001-2002 for Chevy Silverado 35002001-2002 for Chevy Suburban 15002000-2002 for Chevy Suburban 25002000-2002 for Chevy Tahoe1999-2002 for GMC Sierra 15002001-2002 for GMC Sierra 1500 1999-2002 for GMC Sierra 25002001-2002 for GMC Sierra 2500 2001-2002 for GMC Sierra 35002000-2002 for GMC Yukon2000-2002 for GMC Yukon XL 15002000-2002 for GMC Yukon XL 2500