Is your car door not locking or unlocking properly? Replace it with this A-Premium door lock actuator! Designed for the rear left (driver side) door of the Ford Escape (2008-2012) and Mercury Mariner (2008-2011, up to 4/29/11), this actuator restores smooth, reliable door lock function. Made from sturdy plastic and high-density metal, it meets or exceeds OEM specifications for durability and performance. The 4-pin connector ensures a secure fit, and installation is straightforward if you're handy with tools. Part numbers include BL8Z7826413B, BL8Z7826413BFC, and others—check your vehicle details before ordering. Comes with a one-year unlimited-mileage warranty, so you can buy with confidence. Say goodbye to faulty locks and enjoy easy, responsive door control again!