Starter Pulley replaces B&S 493824 & 492832. for 5 HP Vertical OHV Vanguard, 12CID Quantum. For Models 99700, 121700, 121800, 123800, 124800, 126800, 122700 & 124700. Comes with Rotary Spring 26-5876.Replaces:BRIGGS & STRATTON 492832BRIGGS & STRATTON...