Oregon 33-708 Electric Starter Motor Replacement for Briggs & Stratton 497401, 494990, 490920, 499521 For 12.5 through 16 HP single cylinder engines only 4-3/8" housing length Use Oregon 33-761 replacement brush kit Standard version, comparable to OEM Replaces Briggs # 497401, 494990, 490920, 499521