This front left power door lock actuator is designed for use on compatible GM vehicles.It is an electronic component that operates the power door lock mechanism, engaging when the lock or unlock command is sent from the key fob or interior controls.The unit features a 5-pin configuration and is built with a combination of plastic and stainless steel housing for.Rubber components are included to help reduce operational noise.This actuator is a direct replacement with bolt holes that align with existing door mounting points, allowing installation without modifications.Compatible models include Avalanche, Silverado 1500/2500 HD/3500 HD, Suburban 1500/2500, Tahoe, Sierra 1500/2500 HD/3500 HD, Yukon, Yukon XL 1500/2500, Escalade, Escalade ESV, and Escalade EXT from model years 2007–2009.Package includes one door lock actuator.