Air Filter Briggs & Stratton #273638S | ESF101-005

The ESF 101‑005 Air Filter is a durable, high‑performance replacement intake filter engineered to protect small gasoline engines from harmful dust, dirt, and contaminants. Designed as an OEM‑equivalent replacement for Briggs & Stratton part #273638S, this air filter fits older vertical‑shaft 6 HP, 7 HP, and 8 HP engines — including series like 146700, 147700, 170700, 171700, 190700 and 193700 — making it an ideal service part for routine maintenance and repairs. By capturing airborne particles before they reach the engine, the ESF 101‑005 helps maintain smooth operation, improve performance, and extend equipment life.

• OEM‑Equivalent Fit — Direct replacement for Briggs & Stratton #273638S, ensuring proper installation.
• High‑Efficiency Filtration — Protects engine from dust and debris, reducing wear.
• Durable Construction — Built to withstand outdoor conditions and frequent service.
• Improves Performance — Cleaner air supports smoother starts and steady power.
• Easy Installation — Drop‑in design saves maintenance time and effort.