Briggs & Stratton 4135 Air Filter

Bulk pack of 4 (394018S) air filters. This round style, pleated-paper air filter provides superior protection against the destructive effects of dirt ingestion. Used on most 12.5 - 21  HP horizontal shaft L-Head twin cylinder, and most Vanguard™ OHV V-Twin engines, this OEM part ensures proper fit and performance to maintain the life of your Briggs & Stratton engine.