Briggs and Stratton Pre-Filter part# 271794 is used with our 393957S Air Filter. Following is a list of some of the engine model series that use this pre-filter; 243300, 294400, 295400, 303400, 305400, 326400, 350400, and 356400. There may be other models that use this pre-filter that we have not listed here. Type and code number of your engine, as well as the model number, need to be referenced to select the correct pre-filter for your machine. Refer to your owners manual when possible to select the correct pre-filter for your engine.
