Ariens 52408200 – Replacement MPN: 52407500,02465500,02465400,02438000,02437900,02406700,02406600 GEAR CASE-LRG BORE W/S&B-ALUM Genuine Ariens Part # 52408200. Ariens 52408200 02406600 GEAR CASE LRG BORE W S&B ALUM. Ariens Part Number: 52408200 Replaces Previous MPN: 02406600, 02406700, 02437900, 02438000, 02465400, 02465500 Compatible with the following Models: Ariens ST924 Ariens ST832 Ariens ST824S Ariens ST824L Ariens ST824 Ariens ST724 Ariens ST524 Ariens Metro 21. We are proud to be a factory authorized retailer. We use several different carriers and choose the most economical for the item and destination based on the estimated transit time displayed. FixMyToys – A Division of Ball Equipment.