This OEM handle socket shield (Part #36439) fits Eureka and Sanitaire uprights, including models 1950A, 2124A, C2194A, C2194B, C4046B, C4046D, C4046E, and C4046F. The shield protects the handle socket joint from wear and impact.Without an intact shield, the socket joint takes direct knocks and grit that loosen the handle and make steering and locking unreliable. A sound shield guards the joint and keeps the handle solid through daily use. Fits: Eureka and Sanitaire 1950A, 2124A, C2194A, C2194B, C4046B, C4046D, C4046E, C4046F Function: shields the handle socket joint from wear and impact Benefit: a solid handle and reliable locking Tip: check the socket for play before fitting the new shield The shield installs in place of the worn original during handle service. Confirm your model number before ordering to match the joint.