Stens 102-012 Air Filter Replaces: Briggs & Stratton: 5421, 5428, 591334, 796031, John Deere: GY21435, MIU13038, MIU13963 Fits: Briggs & Stratton 31A507, 31A607, 31A677, 31A707, 31A807, 31C707, 31E577, 31E607, 31E677 Fits: Briggs & Stratton 31E777 and 31G777 ID: 1 5/8" OD: 3" Height: 5"