Fits Yanmar Impeller and Gasket Kit. Impeller Numbers 104211-42070, 104211-42071, Sierra 18-8952. 104211-42070 water pump impeller (has drive pin that fits slotted shaft) fits all YS series, all Japanese built raw water cooled 2/3GM's, 2GM20's, 3GM30's up to 1996 & 2QM15.
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