Oregon 30-851 Briggs & Stratton Air Filter Replaces 4243

Specifications: OD: 3"; ID: 1-1/2"; Height: 5".
Fits Briggs & Stratton model series 31A500, 31A600, 31A700, 31C700, 31E500, 31E600, 31E700, 31G700, 31N600, 31N700, 31P600, 31P700, 31Q500, 31R500, 31R600, 31R700, 31R800, 31R900, 401500, 405500, 406700, 407700, 40N700, 40N800, 40R500, 40R600, 40R700, 40R800, 445600, 44N600, 44N800, 44R500, 44R600, 44R700, & 44R800.
Replaces Briggs & Stratton 4243, 5421, 5428, 5428H, 5428K, 590825, 591334, 594201, 796031; John Deere GY21435, MIU13038, MIU13963, MIU14395; Stens 102-012.