Engine Motor & Trans Mount Set of 4 for Nissan Sentra 1.8L Engine 2013-2017 for AUTO Transmission 54150074Introductions: An engine mount is exactly what it sounds like the part of your car that holds the engine in place. Typically, engine mounts are made of rubber so that they don't clang against the frame of the car and make distracting sounds. They might also be filled with liquid to help reduce vibrations even more. Features: 100% Brand new and high quality. Built to O. E. specifications Prevents damage to vehicle components 4 Pieces in one set