| Diagram | Fig. 13 — FRAME — BATTERY CARRIER — ENGINE SHIELD · ref 55 |
| Subsystem | electrical |
| Listed in parts books | 1971 |
DRAIN PLUG UNC 71 OIF
A UNC-threaded drain plug listed for the OIF frame, also numbered 92865A156.
This is a drain plug, catalog number 21-1945, listed with a UNC thread and turning up in the OIF frame records alongside the battery carrier and engine shield figure. The catalog entry is brief, so we're working from that one line plus the alternate part number 92865A156 that's tied to it.
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Drain plugs like this seal off an oil or fluid drain point so you can pull it for servicing and thread it back in when you're done. Given the figure grouping here, this one's associated with the frame area rather than the engine cases themselves, so don't assume it's your primary engine oil drain plug without checking against your own machine.
It's a small, inexpensive item to keep a spare of in the toolbox. Call the shop and we'll confirm exactly where it threads in before you order.
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