Seals It Split Grommet 3" OD, Blank - SGS35BL (Qty 2)$$Hardware

They are great for use with wiring, hoses or lines going through firewalls or other bulkheads in your vehicle. 3" outside diameter with no inner hole, cut to fit your application. Can cover holes as large as 2-1/4" The unit comes in two half-part sections so that it can be mounted on an existing installation without disturbing anything Qty 2 grommets