4010 can't find replacement piston rings.

Having trouble finding the right piston rings for my 4010 diesel. Old ones measure .118,.118, and the oil ring is .187. It has been updated to the 404 with 4.25 bore back in the day. The best i can find are .125,093,187. The gaps in the piston for the compression rings both measure the same. Is this common to have the second compression ring smaller now? if this so can i order just the 6 .187 oil rings from somewhere?
 
A competant Hastings dealer / machine shop should be able to help you if not by application, possibly by size.


(quoted from post at 17:13:55 01/20/22) Having trouble finding the right piston rings for my 4010 diesel. Old ones measure .118,.118, and the oil ring is .187. It has been updated to the 404 with 4.25 bore back in the day. The best i can find are .125,093,187. The gaps in the piston for the compression rings both measure the same. Is this common to have the second compression ring smaller now? if this so can i order just the 6 .187 oil rings from somewhere?
 

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