Holset H1C part numbers

Hi,
I am looking to replace aging turbo for a 1996 cummins 6BT which has a part number 3533732.
There are some turbos I can find that are described as H1C replacements but have different part numbers. Is there a site somewhere that gives equivalent part numbers?
Many thanks for any advice??

Any good turbo shop should be able to cross reference the numbers on your turbo. Here is one.

Locations - D&W DieselD&W Diesel

Turbos range from $300 for a Chinese clone to $3000 from a Cummins dealer (and you need to prove to me that they are not identical!). I have had great difficulty matching the numbers on my 6CTA version and as above, huge variations in price. Definitely avoid a "marine" store if you can and get one from a farm specialist or a truck shop. If it just needs bearings and seals, a turbo shop can do it, if it needs wheels and shafts, you need a cartridge which is harder to find.

Why do you think your turbo is shot? Smoke? Poor response? Sometimes a good cleaning of the intakes etc. is all they need. Clean air filter? No restrictions in the CC breather?