Genuine LiftMaster replacement part for the SL540GL and SL570GL commercial slide gate operator.
Limit Switch Assembly Kit. Shown as reference S on the factory parts diagram.
Please confirm the part number against your operator's data label before ordering.
![Liftmaster D K74-40347 Limit Switch Service Kit [NO LONGER AVAILABLE]](https://cdn11.bigcommerce.com/s-32eq2wsbti/images/stencil/500x659/products/9196/233055/liftmaster-d-k74-40347-limit-switch-service-kit-no-longer-available-k74-40347__63270.1724089538.jpg?c=2 "Liftmaster D K74-40347 Limit Switch Service Kit [NO LONGER AVAILABLE]")