About Us

At Gaynor Transmission, our mission is to provide high-quality transmission and auto repair services. We focus on transparency and integrity in every job we undertake.  We are family owned & operated and have proudly served the Montclair, NJ surrounding area since 1974.  We service all makes and models of any car, truck or SUV.  We stand by our 5-star reputation given to us by our customers and always strive to exceed your expectations on any job we complete.