Over time, blades can dull and gaskets can leak. These kits provide everything needed to restore performance. Oster Fusion Blender Blade Cutter BlenderPartsUSA& more Go to product viewer dialog for this item.

Felji 5-Cup Square Top 6-Piece Glass Jar Replacement Set for Oster Blenders eBay - dollarsaveclub& more Go to product viewer dialog for this item.

A replacement round jar with a 5-inch opening. Note that it may require a specific lid to fit correctly.