Sourcing front upper ball joint

[Purplehaze]

Hi all, new to these cars, looking to fix a loose upper front ball joint, but can't find the part anywhere online. Is this a dealer only part? Is it built into the part that bolts to the strut? Never had this much trouble trying to fix a ball joint. Thanks in advance.

[itsa300zx]

Hi all, new to these cars, looking to fix a loose upper front ball joint, but can't find the part anywhere online. Is this a dealer only part? Is it built into the part that bolts to the strut? Never had this much trouble trying to fix a ball joint. Thanks in advance.

Do you have a picture of what you are replacing?
Z32 do not have upper ball joints, they use a upper control arm with bushings and they do not directly attach to the "front strut" (in this case front shock).