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A steel plug with a 1/8" Allen hex head and VITON oring, used for draining the oil rail before pulling injectors. Genuine Navistar OEM parts. |
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Use a straight 1/8" Allen wrench and lightly tap the wrench into the socket hole to remove any oil or degris from the Allen wrench hole as these plugs are easily stripped out if the wrench is not seated in the plug.
There are two plugs under each valve cover.
Order of 1 = 1 plug
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It is what is says
If you ever remove the originals do not put them back in, use these instead, at the very least replace the orings. This product comes with quality orings.
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Quality product
These tend to strip. Had to replace injector O rings.So for the price purchased these just in case.
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Quality plugs
Oil rail plugs fit perfectly and looks to be made of quality material
