[mav1178]

Originally Posted by AKADriver

Does NPR still make the whole KA24DE piston also? I see a few sellers that list them but it's hard to verify if these are genuine NPR. PN 11-598-x.

yes but there's also almost no point if the Nissan genuine units are available (STD grade 2 only):
https://www.nissanpartsdeal.com/part...010-53f01.html

but yes, the part number is accurate.
https://www.npramerica.com/attacheme...orPRINTOUT.pdf

page 212


Edit: I should add that very few people buy OE replacement piston rings or pistons unless it was a stock rebuild. I can probably source the parts, but given the responses so far in this thread it will probably be a money losing proposition for me.