The Vitamix 0400841044021 Potentiometer is an OEM replacement part designed for precise speed control in Vitamix blenders and food processing equipment. This component ensures smooth and accurate variable speed adjustments, allowing for optimal blending performance. Built with high-quality materials for durability and reliability, this potentiometer is manufactured to meet original specifications for seamless compatibility. Keep your equipment running smoothly with this essential replacement part. Order today for fast shipping! Key Features: Model/Part Number: Vitamix 0400841044021, 101119revB Application: Controls variable speed in compatible Vitamix blenders OEM Replacement: Ensures precise and smooth speed adjustments Durable construction for long-lasting performance Designed for easy installation and reliable operation Disclaimer This product is intended for professional use only. Installation by a certified technician is recommended. The seller is not responsible for improper installation, misuse, or any damage caused by self-installation. All trademarks and brand names mentioned in this listing belong to their respective owners. They are used for identification and compatibility purposes only. The product you receive will match the item shown in the photos. Please review all images carefully before purchasing.