Hi where can I find Hyundai part numbers - need tensioner pulley ( spring loaded arm) and also need the AC clutch assembly and belt
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Have always replaced the tensioner assy when pulley was worn out. Not sure if that pulley is available separately. As the bearing in the pulley wears so also does the tension spring and best to replace entire assy. The aligning marks on the tensioner assy will tell the story.

A dealership parts dept.,,,,,,,,,,,may provide the info you seek.