Feature: Pressing the lock or unlock button, the door lock actuator is activated and moves the door lock mechanism. This is a Non-OEM product, accessory only! Specifications: Color: Black, Silver Tone Material: Plastic, Metal Placement on Vehicle: Front Left Driver Side Replaces Part Numbers: 25876385, 25876386, SK931303, DLA823, 931303, 20783849, 25879296, 25945751, 20783850, 25848878, 25879295, 25945752 Pin Number: 5 Dimension: 15.5x7.5x7.5cm / 6.10"x2.95"x2.95"(L*W*H) Note: The product is very difficult to install, professional installation is recommended, it is recommended to find the relevant installation video and then perform the installation operation. After installation in the specified position, we strongly recommend to test the door lock key and door lock motor work properly, and then close the installation window. To avoid problems caused by poor installation. Why we need to replace our Door Lock Actuator? 1. The door can't lock or unlock. 2. Doors only can lock or unlock sporadically. 3. If the doors make an unusual noise while locking or unlocking. 4. Or the Car alarm goes off randomly. We can replace the old to solve out the problem. Fitment: for Chevrolet Silverado 3500 HD 2007-2009 for Chevrolet Suburban 1500 2007-2009 for Chevrolet Suburban 2500 2007-2009 for Chevrolet Tahoe 2007-2009 for GMC Sierra 1500 2007-2009 for GMC Sierra 2500 HD 2007-2009 for GMC Sierra 3500 HD 2007-2009 for GMC Yukon 2007-2009 for GMC Yukon XL 1500 2007-2009 for GMC Yukon XL 2500 2007-2009 Package Included:1 x Car Door Lock Actuator Motor