Wrong piston ring?

1 week 2 days ago #2657 by bpetk7

I was told from Master Tool Repair sales to post my problem here.
I received the piston ring(WL211000SJPR) I ordered from Master Tool Repair but it doesn't seem to be the same part I placed an order for. This ring is 3 mm larger than my current one therefore it will not fit/slide inside the piston! I ordered this my for Campbell Hausfeld Model WL651101 with pump WL390100. Am I missing something? Are they expecting me to hone the piston(which is not specified anywhere on there site)?

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1 week 2 days ago #2658 by skatingtoolman

These piston rings are custom made as the original is no longer made. We have sold 100's of these custom made piston rings. Are you stating that the OD or the ID of the ring is different? How does it not fit the piston? I take it that you removed the screw and the cover plate to install the new ring.

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1 week 11 hours ago #2661 by bpetk7

The OD is 3 mm larger. And yes, I removed the cover plate and installed it correctly. My apologies, it will not fit inside the piston CYLINDER. I hope they aren't expecting me to hone the cylinder?

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1 week 8 hours ago #2662 by MTR-Admin

Here is a video on how to install these type of piston rings.

mastertoolrepair.com/how-to-install-an-o...r-kit-p-1324404.html

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