An IHI part number is alphanumeric. Please see the following examples of IHI part numbers:-
The part number or SPEC is located on the alloy compressor cover of the turbocharger and will be stamped on. There is a series of numbers on the cover, which include the model number and part number.
How to recognize the correct IHI partnumbers
IHI partnumbers are composed from a SPEC number and a family number.
In this case, the SPEC number is VJ27
The family name is RHF3