Starter Motor for Briggs & Stratton 499521,494990,499529 Quality Aftermarket Starter Motor for Briggs & Stratton 499521,494990,499529 4" Long Case Housing, 2.25" Center to Center Mounting holes 12 Volt, CCW Rotation, 16 Teeth Drive Replace Briggs & Stratton 399169, 494990, 497401, 499521, 490420,499529 Warranty: One Year