Fits: Water distribution housing assembly fits for Mercury for Mercruiser for Quicksilver Inboard 4.3L, 5.0L, 5.7L, 6.2L for MPI, 350 377 for Mag for MPI, 383 for Mag Stroker, 262 305 350 377 CID, V6 V8.(Please refer to the list below for specific models.) Replace: 863631T1 863802T2 863444T2 Package list: 1 × Water Distribution Housing, 5 × Manifold Engine Block Drain Plug Note: Please check whether your part numbers are the same before buying. Don't just look at the pictures. Sometimes the part numbers are not the same as the pictures