If you can get a serpentine pulley from another pump and swap by pressing them might help.
Be careful pressing the since the pumps have sintered parts in them and can be broken.


Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.