High Back Seat Black, Height: 18 5/8 ", Corrosion resistant, Seat width 18.7", Depth: 22 ", 5/16"-18 bolts, NOT included, Multi-hole mounting pattern, Width: 18 3/4 ", Fully waterproof vinyl, Made By: An OEM supplier, Central drain. Replaces Part Numbers: Simplicity 1731999, Simplicity 1731999SM, John Deere VG12160, Genie 123137 Stens Part Number: 420-360