| 摘要 |
A drain plug housing body coupled to the interior of an oil pan, which receives, via threaded portions, an extended length drain plug. The drain plug housing further comprises a first threaded aperture having a first diameter terminating at the interior of the oil pan and a second threaded aperture having a second diameter greater than the first diameter, with a hollow cavity therein between. The drain plug is a substantially cylindrical bolt of varying diameters having a first male threaded portion and a second male threaded portion on its shaft that are compatible, respectively, with each of the threaded apertures of the drain plug housing.
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