Kitchenaid Part Number WP9708191. Kitchenaid 7QT (6.9L) Planetary Agitator Shaft Without The Tool Cowl. The Agitator Shaft will fit planetary's that fit the following models 5KSM6521XEAC0, 5KSM6521XBFP0, 5KSM6521XEFP0.