Key Features

• Genuine Briggs & Stratton Part – 399877S, engineered to exact factory specifications for precise fit and reliable performance.
• High-Efficiency Filtration traps dirt and debris before reaching the carburetor, helping reduce wear and protect power output.
• Consistent Airflow maintains optimum air intake for maximum power and fuel efficiency across operating conditions.
• Long-Lasting Foam Element resists moisture and engine oil exposure to sustain filtration effectiveness over time.
• Quick & Easy Replacement installs securely in minutes, enabling fast, hassle-free maintenance.

Product Details

• Part Number: 399877S
• Replaces: 494511, 496894, 5052H
• Material: durable foam filtration element with moisture and engine oil resistance
• Function: prevents dust and debris from entering the carburetor, helping preserve engine efficiency and power
• Performance & Longevity: reduces engine wear and supports longer engine life by maintaining a clean air intake
• Installation: designed for quick, secure mounting and straightforward service procedures
• OEM Assurance: authentic Briggs & Stratton air filter for reliable protection and consistent performance across operating conditions
• Use Cases: ideal for routine maintenance on equipment powered by Briggs & Stratton Classic, Sprint, and Quattro Series engines; effective in dusty environments such as lawns, construction sites, and general outdoor work

Compatibility

• Fits Briggs & Stratton Classic, Sprint, and Quattro Series engines
• Commonly used in lawn mowers, pressure washers, tillers, and other small outdoor power equipment
• Replaces compatible part numbers within the listed engine families: 494511, 496894, 5052H