Yanmar 105225-02020 o-ring main bearing house

This o-ring fits the engines below.

Yanmar 1GM, Yanmar 1GM10

Yanmar 2GM, Yanmar 2GM20, Yanmar 2GM20 EU, Yanmar 2GM20F (dual cooling), Yanmar 2GM20F EU (dual cooling)

Yanmar 3GM, Yanmar 3GM30, Yanmar 3GM30 EU, Yanmar 3GM30F (dual cooling), Yanmar 3GM30 F EU (dual cooling)