Briggs & Stratton Air Filter - 399877S

Product Details & Features

Maintain peak engine performance and protection with the genuine Briggs & Stratton Air Filter (Part No. 399877S). This OEM replacement filter keeps your engine clean by preventing dust and debris from entering the carburettor, ensuring smooth operation and reliable power output.

Key Features:

• Genuine Briggs & Stratton Part – built to exact factory specifications for a perfect fit and superior performance.

• High-Efficiency Filtration – traps dirt and debris before it reaches your engine, reducing wear and extending engine life.

• Consistent Airflow – designed to maintain optimal air intake for maximum power and fuel efficiency.

• Long-Lasting Construction – durable foam element resists moisture and engine oil exposure.

• Quick & Easy Replacement – fits securely in minutes for fast, hassle-free maintenance.

Compatible With / Ideal For:

Fits a range of Briggs & Stratton Classic, Sprint, and Quattro Series engines, commonly used in:

• Lawn mowers

• Pressure washers

• Tillers

• Other small outdoor power equipment

Part Number / Replacement Info:

Part Number: 399877S
Replaces: 494511, 496894, 5052H

Why Choose This / Why Genuine:

Using a genuine Briggs & Stratton air filter helps preserve engine efficiency, reduce emissions, and prevent costly repairs caused by contaminated air. OEM filters guarantee reliable protection and long-term performance across all operating conditions.