I really do not know what you are trying to do but you need to compair apples to apples.
I think......... You looked up D1NL6600A at o'reilly and they crossed it to M67E with a price of $59.99 Then You......... Looked on this site for a oil pump and saw their price was $133.54
While both pumps are made my Melling they are not the same. This site sells pump C3NN6621A that crosses to M67B. O'Reilly can get M67B also but it is $90.99
Now if you want to complain about the mark up from $91 to $134 then you are right. This site did the leg work crossing the pump.
Melling is a good product so buy where it is cheapest.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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