I started a spreadsheet of D4 parts that I used on my RD4, their orig.PN, the newer PN, cat list, and source price. These prices are 2-3yrs old, but close, and show the diff between cat and other sources. This is a pdf file, so you can download it. It can be added to whenever I get more numbers needed from y'all.

Also, cats part# system now uses 4digit+ numbers, so any old parts like 4b72 would now be 4b0072 to cat.

Nice job on the spread sheet.
I am rebuilding a D4 5T.
I will add anything I can to it and send it your way.

Has anyone found a place to get cylinder liners for the 4400 engine part number 7B4348? Regal kept me waiting telling me for about a year that they were going to get them from there Edmonton Canada location reasonable for a little over $21.oo each then finally told me they were not going to get them anymore.

I am still have 2 or 3 linners 7b4348