EMP 46-00091 Mercury MerCruiser Impeller Service KitThis impeller service kit is intended for use on Mercury and MerCruiser engines and meets all OEM requirements.Impeller Service Kit Application:For 1999-2006 Mercury Mariner V6 135-225HP OutboardsFor 1978-1990 MerCruiser MC-1 & R/MR/Alpha One water pumpsReplaces: Mercury; 89984Q5; 89984T6; Interchangeable: Sierra; 18-3217; GLM; 12290; Mallory; 9-48304;