This product includes both part #2475 and #2476. It is a 7" Seat Cover assembly. This one is grey. Fully assembled, these parts are 7 7/8" wide, 9" deep and 8 1/4" tall.
This part is interchangeable with part #2473 and #2474 however, you will need to drill holes in your vertical to accommodate the different hole position. This will void your pools warranty unless you promptly paint the newly drilled holes with oil-based paint.