Ariens 72403600 – Replacement MPN: 435-615 120 V STARTER KIT- 8 TO 11.5HP Genuine Ariens Part # 72403600. Ariens 72403600 120 V Starter 8 To 11.5Hp Kit ST824 ST824E ST8526LE. Ariens Part Number: 72403600 Compatible with the following Models: Ariens ST8526LE Ariens ST8526L Ariens ST8524LE Ariens ST824E Ariens ST824. 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.