Description Hayward Poolvac Gearbox AC_V408P. PART DESCRIPTION. The list is there so you can see other parts that you may need just sen a email with THIS LINK with the part number and we will reply you can also call week-days 9am to 5pm. If you wish to order this part you can also put the part number you need in the notes at check out. Whats in the box: Gearbox AC_V408P.