OEM-Spec Compatibility: Direct replacement A/C HVAC Heater Blend Door Actuator with 604-120 89018373 52474795 89018678 for 1999-2009 GMC Sierra/Yukon XL, Chevy Silverado/Tahoe/Suburban 1500-3500. Optimized Recirculation door calibration for precise climate control Military-Grade Durability: 1PC matte-black housing with ceramic-coated gears withstands -40°F to 300°F. With 30% higher torque than OEM actuators Complete Vehicle Coverage: Engineered for Buick Rainier (2004), Cadillac Escalade ESV/EXT (2002-2006), Isuzu Ascender (2004) and 28+ GM truck models. Includes alignment tool for 2007 Classic series Fault Code Elimination: Solves P0521/P0530 HVAC errors, temperature blend door failures, and Recirculation mode malfunctions. Compatible with dual-zone climate systems Precision Manufacturing: Laser-etched part numbers match OE specs within ±0.3mm. Zinc-alloy bushings prevent gear slippage in 4WD/HD models Feature:
Part Number: 15-73599 89018373 89018678 52474795
Color: Black
Direct fit and easy installation.
Used for Driver Side Temperature, Recirculation/Outside Air, Passenger Side Temperature

Position: Main

Fit for:

2004-2007 for Buick Rainier

2002-2006 for Cadillac Escalade

2003-2006 for Cadillac Escalade ESV

2002-2006 for Cadillac Escalade EXT

2001-2002 for Chevy Silverado 2500

2003-2006 for Chevy Silverado 2500 2 Door; Cab and Chassis

2003-2006 for Chevy Silverado 2500 4 Door; Cab and Chassis

2007   for Chevy Silverado 2500 Classic

2003-2006 for Chevy Silverado 2500 Crew Cab Pickup

2003-2006 for Chevy Silverado 2500 Extended Cab Pickup

2003-2006 for Chevy Silverado 2500 Standard Cab Pickup

2001-2002 for Chevy Silverado 3500

2003-2006 for Chevy Silverado 3500 2 Door; Cab and Chassis

2003-2006 for Chevy Silverado 3500 4 Door; Cab and Chassis

2003-2006 for Chevy Silverado 3500 Crew Cab Pickup

2003-2006 for Chevy Silverado 3500 Extended Cab Pickup

2003-2006 for Chevy Silverado 3500 Standard Cab Pickup

2003-2006 for Chevy Sonora (Mexico)

2001-2006 for Chevy Suburban 1500

2000   for Chevy Suburban 1500 V8 325 5.3L (5328cc)

2000-2006 for Chevy Suburban 2500  

Package Including
1Pack