The Vitamix Part #891 Drive Socket Kit is an official replacement part designed for commercial Vitamix blenders, compatible with all models except the Vitamix XL. It is the ideal solution for replacing a damaged or worn drive socket to restore proper blender performance.

The drive socket serves as the coupling mechanism between the blender's motor and the blade assembly. Built on a fail-safe design, it protects the motor from overheating and damage if the blades become stuck during operation, and it also helps reduce blending noise. Each kit includes one drive socket, one Allen wrench, and an instruction manual, making field installation straightforward without requiring specialized tools.

Vitamix recommends weekly inspection of the drive socket to maintain safe operation. This part carries UPC code 703113008917.