Impeller Service Kit for: Mercruiser (2000-Up) MCM V6, V8 (305, 350, 496, 502 cid) engines with the brass sea water pump. Excluding 4.5L, 6.2L. Includes shorter heavy duty impeller and overmolded inner (front) wear plate for use when the front of the seawater pump impeller housing is worn due to debris.
 
Replaces: Mercury/Mercruiser: 47-8M0137219
Fits: Mercruiser (2000-Up) MCM V6, V8 (305, 350, 496, 502 cid) engines with the brass sea water pump. Excluding 4.5L, 6.2L. Includes shorter heavy duty impeller and overmolded inner (front) wear plate for use when the front of the seawater pump impeller housing is worn due to debris.