Stainless Steel Gen 7 Sea Pump for Mercury 350 Mag, 496 Mag / HO, 8.2L Mag and 502 Mag - With Pulley This pump comes complete, with pulley and it will re-use your factory rear pump inlet. This pump features wear plates on both sides of the impeller. This is a unique feature of this pump and will allow you to service this pump for years to come without any housing damage. No modification is required, this pump was engineered to accept the stock mounting bracket. Fits Mercruiser Gen 7 Sea Water Pumps (2000-Present)305/350/377/496 C.I.D 5.0L/5.7L/6.2L/8.1LTBI/MPI/EFI/MAG/Horizon/Scorpio This Part includes a pulley already assembled to the pump. The 625-4102 will reuse your stock pulley. The pulley included in this kit is 5-3/4" in outside diameter and WILL NOT replace pulleys from Axius models as the diameter is not the same.