Patent ID: 8408401

Claim:
An oil strainer adapted to be disposed in a suction area of an oil pump of an outboard engine unit, for filtering oil and supplying the filtered oil to the oil pump via an oil channel, the oil strainer comprising: a strainer case with a filtering element housed therein, the strainer case being provided with an oil inlet and an oil outlet; an oil tube extending from the oil outlet to an inlet of the oil channel, the oil tube having a first end and a second end opposite to the first end, the first end of the oil tube having a first outwardly stepped part, and the second end of the oil tube having a second outwardly stepped part; a first seal member fitted on to the first end of the oil tube and compressed at the oil outlet to operate as a seal; the first outwardly stepped part, restricting axial movement of the first seal member; and a second seal member fitted on to the second end of the oil tube and compressed at the inlet to the oil channel to operate as a seal, the second outwardly stepped part restricting axial movement of the second seal member, wherein the oil tube is supported at both ends by the first seal member and the second seal member and is removable from the strainer case.