Fits HRB216, HRR216, HRR216K2, HRR216K3, HRR216K4, HRR216K5, HRR216K6, HRR216K7, HRS216, HRS216K1, HRS216K2, HRS216K3, HRS216K4, HRT216, HRT216K, HRT216K2 and HRZ216 mowers. Air Guide Gasket: 19651-Z0L-000, Carburetor Insulator: 16211-ZL8-000, Carburetor Muffler Gasket: 16221-883-800 16228-ZL8-000 16212-ZL8-000. Made Made of high quality materials, durable. Carburetor gaskets must be used for lawnmowers. Package includes: 1 set of carburetor insulator spacer gasket