1. W11192794 hub gear failure can cause inefficient mixing, unusual noises, attachment problems, or complete malfunction, and may worsen over time. Replace it with the W11192794 to prevent further issues and restore proper operation. 2. The W11192794 gear replacement is constructed from high-quality materials to help extend service life, reduce the need for frequent replacements, and support reliable performance. 3. The W11192794 Mixer Attachment Gear Hub Kit is designed to fit various stand mixer models, allowing you to replace worn gears without replacing the entire mixer. It ensures seamless integration and consistent performance. 4. The W11192794 Hub Gear Kit is designed for easy installation, enabling users to restore mixer function quickly without professional help, helping save time and reduce repair costs. The W11192794 Kit includes 9705130 and 9709627 attachment center and hub gear. Fits specific stand mixer models. Alternate part numbers include 4159643, 4161403, 4161405, 4169820, 9703905, 9703907, 9705130, 9709627, W11175138, W11175140, WP9705130, WP9709627, 4591453, AP6329541, PS12348885, EAP12348885. Compatible with models: 3K45SS, 3K5SS, 3KSM150PSTBW0, 3KSM150PSTCB0, 3KSM150PSTCL0, 3KSM150PSTCU0, 3KSM150PSTER0, 3KSM150PSTGA0, 3KSM150PSTIC0, 3KSM150PSTMY0, 3KSM150PSTOB0, 3KSM150PSTPK0, 3KSM150PSTTG0, 3KSM150PSTWH0, 3KSM5CBTER0, 3KSM5CBTWH0, 3KSM95TWH0, 4K45SS, 4K45SS7OB0, 4K45SS7WH0, 4K45SSDWH-1, 4K45SSWH-1. The W11192794 Gear Hub Kit does not fit all appliances; please verify your model before purchase. Parts may appear similar but differ in fit. Color: Silver Material: Metal Package Contents: 1 x Gear Kit Note: Light reflection and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.