Quicksilver 8M0078858 Water Pump KitGenuine OEM Mercury-Mercruiser part. Complete water pump repair kit for Mercury Verado outboards. Water pump repair kit 8M0078858 fits 200-300hp Verado (6-cylinder) 4-stroke outboards. The kit includes water impeller, upper and lower housings, face plate, gaskets, drive key, face seal, seal carrier and water tube coupling.Kit Includes: water impeller, upper and lower housings, face plate, gaskets, drive key, face seal and water tube coupling.Application: 200 HP Verado (Serial 2B144123-2B578935) 200/225/250/275/300 4-Stroke Verado (6 Cylinder) (Serial 1B517434-2B144122) 350-400/350 PRO/400R Verado (4-Stroke)(6 Cylinder) (Serial 2B141124-3B342962) Expansive kit to replace water impeller, upper and lower housings, face plate, gaskets, drive key, face seal, seal carrier and water tube coupling; One of the most complete kits available to repair Verado outboard water pumps; For select Mercury Verado outboards; Fits: 200 HP Verado 6 Cyl - s/n 1B517434 thru 2B144122; 200 HP Verado 6 Cyl - s/n 2B144123 thru 2B578935; 225 HP Verado 6 Cyl - s/n 1B517434 thru 2B144122; 225 HP Verado 6 Cyl - s/n 2B144123 thru 2B578935; 250 HP Verado 6 Cyl - s/n 1B517434 thru 2B144122; 250 HP Verado 6 Cyl - s/n 2B144123 thru 2B578935; 275 HP Verado 6 Cyl - s/n 1B517434 thru 2B144122; 275 HP Verado 6 Cyl - s/n 2B144123 thru 2B578935; 300 HP Verado 6 Cyl - s/n 1B517434 thru 2B144122; 300 HP Verado 6 Cyl - s/n 2B144123 thru 2B578935; 350 HP 2.6L L6 Pro Verado - s/n 2B141124 & up; 400 HP 2.6L L6 Verado - s/n 2B618256 & up; 400R HP 2.6L L6 Racing - s/n 2B141124 & up;