604-113 HVAC Blend Door Actuator for 1500 Mode 99-02 52473356 [FUNCTION]: Replacement air door actuator controls the temperature of air from AC vents and recirculation/ outside air into the interior of the vehicle. [REPLACE PART]: 52473356, 604-113, F04020, 73003. Direct replacement for the factory blend door actuator on your vehicle. [EASY INSTALLATION]: Quick and simple installation for a proper fitment on driver and passenger side. Don't forget to recalibrate you HVAC system after installation. Part Name: HVAC Heater Blend Door Actuator Condition: New Manufacturer Part Number: 604-113 Placement on Vehicle: Front Fitment Type: Direct Replacement Interchange Part Number: 52473356, 604-113, 15-72505 Compatible with the following vehicles: Vehicle Information for: Escalade 2002 Escalade EXT 2002 1500 2002 2500 2002 1500 1999-2002 1500 HD 2001-2002 2500 1999-2002 2500 HD 2001-2002 3500 2001-2002 1500 2000-2002 2500 2000-2002 2000-2002 1500 1999-2002 1500 HD 2001-2002 2500 1999-2002 2500 HD 2001-2002 3500 2001-2002 2000 XL 1500 2000-2002 XL 2500 2000-2002 Material:plastic colour:black Package Contents: 1 * HVAC Heater Blend Door Actuator Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.