Description
Overview:
This genuine Briggs & Stratton air filter (OEM No: 393957) is a round cartridge designed to provide clean intake air for small petrol engines used in outdoor power equipment. Built with durable, pleated filter media and a robust rubber seal, it captures dust and debris before they reach the carburettor and cylinder, helping to maintain smooth running and reduce wear. Sized for a secure fit, it suits a wide range of Briggs & Stratton engines, including 301430 and 302400. Typical dimensions are length/height 95 mm (3.74 in) and outside diameter 110 mm (4.33 in). It is a straightforward maintenance item that supports reliable starting, consistent performance, and longer engine life across lawn and garden machinery, generators, and similar equipment.
Key Features:
- Genuine Briggs & Stratton part for assured fit and performance
- OEM-grade filtration media for reliable dust and debris capture
- Robust rubber sealing lip helps prevent unfiltered air bypass
- Dimensions: 95 mm (3.74 in) length/height; 110 mm (4.33 in) outside diameter
- Helps protect carburettor, piston, and rings from abrasive particles
- Supports stable airflow for efficient combustion and fuel economy
- Easy to install and remove for routine servicing
- Built to OEM specification for consistency and durability
Typical Applications:
Used on Briggs & Stratton single-cylinder and V-twin engines powering walk-behind and ride-on lawn mowers, garden tractors, scarifiers, tillers, generators, pressure washers, and general-purpose equipment. Ideal for regular service intervals to maintain starting, throttle response, and engine longevity in residential, commercial, and site environments.
Also known as:
Engine air filter element, air cleaner cartridge, primary air filter, round cartridge filter, Briggs air filter, replacement air element for small engines.
Fits Models:
170400, 171400, 190400, 194400, 195400, 220400, 221400, 222400, 233400, 243400, 251700, 252400, 253700, 256700, 290000, 290400, 294400, 300000, 301430, 302400, 303400, 325430, 326400, 350000, 380000
Alternate Part Numbers:
393957, 393957s
Product Specifications
| L&S Part No. | 393957S |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Briggs & Stratton |
| OEM No. | 393957s |
| Unit of Sale | 1 |
| Applications | 170400, 171400, 190400, 194400, 195400, 220400, 221400, 222400, 233400, 243400, 251700, 252400, 253700, 256700, 290000, 290400, 294400, 300000, 301430, 302400, 303400, 325430, 326400, 350000, 380000 |
| Machine Type | Engines |
| Fits Brands | Briggs & Stratton |
