The AllPoints Foodservice Parts & Supplies 5681031 Rear Auger Seal is designed for optimal performance in soft serve machines. This durable rubber seal features a 3" outer diameter and a 1-3/16" inner diameter, ensuring a secure fit for various models. Compatible with Stoelting models including AUTOVEND, A118, D118, E111, E112, E122, E131, F111, F112, F122, F131, F144, F212, F231, O111, O112, O212, O231, SF, SO212, U218, and VF231-2X-GN, as well as the 2000, 3000, and 4000 series. Enhance the efficiency and reliability of your soft serve machine with this essential replacement part.