Prime Line 7-06821 Starter Replacement for Model Briggs and Stratton 497596, 498148, 495100, 399928 Fits Models 400400, 400700, 401700, 402400, 402700, 404400, 421700, 422400, 422700 For 14, 16, & 18 HP Engines Uses 7-03443 Drive Kit