1999 Buick Riviera 3.8L V6. Notes: Accessory Drive Belt -- Belt Style: Serpentine; Rib Qty: 6; Effective length (mm): 2350.0; Top Width (in): 0.84. Position: Accessory Drive. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
