Some blowers' not Listed May or May not Require An Adapter Kit

Fits Parts 640349

Bobcat 38389

Fits Troy-Bilt 1812039

13Am772G755

Air Filter Tune Up Kit Bundle For Briggs & Stratton 18.5-21 HP Engines 793569 691035 4960185 31AM2N1B700 Some blowers' not Listed MayAir Filter Tune Up Kit Bundle for Briggs & Stratton Intek and Professional Series Riding Lawn Mowers, 18. 5 21 HP Engine. Kit Includes: (3) Air Filter (3) Pre Filter (2) Fuel Filter (2) Spark Plug Fits Models: Intek and Professional Series Riding Lawn Mowers, 18. 5 21 HP Engine. Replaces OEM: 793569 (Air Filter), 793685 (Pre Filter), 691035 (Fuel Filter) and 496018S (Spark Plug). Specifications: ID: 1 1 2" OD: 3" Height: 5 7 8"