If you're still looking for an oil pump I would suggest finding a used oem one(the one that came off looks like a chinese replacement) and buying the oem parts to rebuild it. Do not rebuild the chinese one with oem parts. I read everywhere that it was fine to do that, but when I did it I noticed upon assembly it was extremely tight, and after the motor ate a bearing 1000 miles in I found that the brand new drive gear had cracked.
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