New owner of 2017 Montana 3811MS TV mounting help

[Buddiestewart@gmail.com]

I recently purchased a 2017 Montana 3811MS, and bought a Samsung QLED 43” to put in the living room. The TV dimensions are 43.5”wideX 25”tall; and 2.5” deep. Will a MORryde Extending Swivel Wall Mount fit on the original wall bracket or do I have to drill new holes in the wall bracket and raise it on the wall about 3 inches before installing the new Morryde swivel mount.