Color:Nylon Yellow Quantity:1 piece Set or Combination:This is a single replacement worm gear. Size:According to the dimension drawing and corresponding model Material:High-quality durable nylon Function:This worm gear is designed to replace the worn-out or damaged worm gear for your KitchenAid 4.5QT and 5QT stand mixers. It ensures smooth operation of the mixer’s planetary action, facilitating the attachment of mixing tools and preventing the motor from strain or overheating. The gear features durable nylon construction, offering long-lasting performance and wear resistance. Purpose: Used for repairing and replacing the worm gear for KitchenAid stand mixers. Ideal for users looking to restore smooth functionality to their mixer and extend its lifespan. Compatible with models from KitchenAid, Whirlpool, and Kenmore, it provides a reliable solution to keep your mixer in top working condition, perfect for mixing, kneading, and other heavy-duty tasks in the kitchen. Compatible with Multiple Part Numbers – Fit for most top name brands (for KitchenAid, Whirlpool, Kenmore) .Part numbers: 4161531, 4162897, 4169830, WPW10112253, WPW10112253VP, PS11748374, AH1491159, EA149115 9, AP4295669, 1206513, 5K45SS, 5K5SS 5KPM5 and More. Easy to Install for Quick Repairs – Designed for effortless installation, this mixer worm gear can be quickly installed without complicated tools or processes. The simple installation ensures minimal downtime for your KitchenAid mixer, allowing you to get back to mixing in no time. Durable and High-Quality Nylon Construction – Constructed from high-quality nylon material, this 23-tooth nylon worm gear ensures longevity and reliable performance. It’s built to withstand regular use, providing smooth operation and lasting durability for your KitchenAid mixer. Cost-Effective and Eco-Friendly Solution – This nylon worm gear offers an eco-friendly, battery-free solution restoring for your KitchenAid mixer’s performance. It’s not only cost-effective but also provides a sustainable option to keep your mixer running smoothly without relying on disposable components. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.