【❗Fitment (Vehicle Compatibility)❗:】 Designed To Fit Buick Rainier Model Years 2006 And 2007 Equipped With The 5.3L V8 (Direct Replacement/Interchangeable Part) .
✅【 Function (Part Description):】 Serves As An Idler/Tensioner Pulley To Route And Guide The Accessory Belt Including The Air Conditioning Belt Path.
✅【 Replacement Reason (Service Description):】 Often Replaced When Bearing Noise, Wobble, Or Surface Wear Causes Belt Slippage Or Misalignment.
✅【 Construction and Material:】 Metal Hub Construction With Sealed Ball-Bearing Assembly And Molded Pulley Surface For Belt Contact.
✅【 Testing and Installation:】 Inspected For Smooth Operation And Dimensional Match; Installs In The Vehicle'S Original Pulley Location Using Standard Tools.