From what I found there is a difference between the 1z and 2z.The only # I found was for the gt,xrs and celica gt-s which is the same.#16173-88600,It's a toyota #,check here athttp://www.Partznet.com.
June '07 VOTM Sept '07 MOTM HCVO /HCMO The Red Devil
Yeah, the info I found was there was a part number for the 2ZZ water pump pulley but all I found for the 1ZZ is that it's serviced with the water pump assembly. I was hoping someone could comfirm whether the pulleys were the same or not.
My Fleet:
'15 Ford Fusion AWD Titanium 2.0 Tutbo
'14 Lincoln MXZ AWD 2.0 Turbo
'14 Nissan Pathfinder AWD SL
'05 Pontiac Vibe AWD