Oregon 49-071 Carburetor Rebuild Kit Replacement for Briggs & Stratton 391071, 394989 For older style 10-12, 16 HP single cylinder engines Series 220400, 221400 and 222400 before code 81060200, 243400 after code 81101200, 326400 before code 81090900 Replaces Briggs # 391071