Ed and Hoyt,thanks for the information.I went to lmc today and purchased the right oil pump for my engine.My pump is listed as the 1954-1955 1st series pump and yes the 235 is the same pump.

sealed power # 224-4142 has m-29 stamped on pump shaft housing.
melling part # m-29

Here are a couple of pics of the new pump beside the original.

1954-1955 1st oil pump

1954-1955 1st m-29 oil pump

I do have a question about the pickup tube>I will start a new post on it.

Thank you for your help,Tim

1951 3100 Chevrolet
1951 Chevrolet Suburban Carryall
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