Oregon 35-004 Bolt on Style Replacement for Briggs & Stratton 297274, 297506, 494585, 493936 Fits 4 and 5 HP engines 100200, 100900, 130200 and 130900 series 4" L x 3-5/8" W x 1-1/2" Thick 1-1/2" center-to-center Replaces Briggs # 297274, 297506, 494585, 493936