Briggs & Stratton Air Filter - 394018S

Product Details & Features

Keep your Briggs & Stratton-powered equipment breathing clean with this genuine air cleaner cartridge (Part 394018S) — a high-quality filtration solution designed to protect your engine and help maintain optimal performance. Built to meet original equipment manufacturer (OEM) standards, this air filter helps prevent dirt, dust and debris from entering the engine’s intake system, reducing wear and prolonging service life. Briggs & 

The 394018S air filter features pleated filter media in a round cartridge design that delivers efficient engine protection without compromising airflow. It is engineered to fit a range of Briggs & Stratton horizontal twin-cylinder, L-head twin engines and Vanguard V-Twin OHV engines, helping ensure smooth operation season after season. 

Key Features:

• Genuine OEM Quality: Manufactured to Briggs & Stratton’s exact specifications for a precise fit and dependable performance. 

• Efficient Filtration: Pleated paper media captures harmful airborne particles before they reach the carburettor and combustion chamber.

• Direct Replacement: Replaces original parts including 394018, 392642, 86444, 86444GS and others, ensuring correct compatibility. 

• Durable Construction: Built to withstand regular maintenance intervals and typical outdoor conditions. 

• Easy to Install: Straightforward fitment makes routine servicing quick and convenient. 

• Optimal Dimensions: Approximately 181 mm outer diameter × 140 mm inner diameter × 57 mm height for the correct seal in compatible air cleaner housings. 

Why It Matters:
A clean and well-fitted air filter is essential for protecting your engine from premature wear, improving fuel efficiency, and maintaining reliable starts and smooth running performance. Replacing a worn or clogged filter with this genuine 394018S air cleaner cartridge helps keep your mower, garden tractor or other outdoor power equipment operating at its best.