AIR FILTER FOR B&S REPL 394019 394019S 398825 272490 AM38990

Air Filter for B&S

This air filter for B&S replaces OEM numbers 394019, 394019S, 398825, 272490, and AM38990, delivering clean airflow and engine protection for small engines.

Overview

This air filter for B&S is a direct replacement for a range of OEM part numbers including 394019, 394019S, 398825, 272490, and AM38990. It traps dirt and debris to keep the engine running smoothly, ideal for lawn mowers and garden tractors powered by B&S engines.

Built For Performance

• Pleated paper filtration media captures fine particles
• Foam pre-filter layer for extended service life
• Reinforced seal prevents air bypass
• OEM-equivalent dimensions for a snug fit
• Resistant to moisture and oil contamination

Specs At A Glance

Good To Know

Q: How often should I replace the air filter? A: Replace every 100 hours of operation or once per season, whichever comes first, to maintain engine performance.

Q: Will this fit all B&S engines? A: This air filter for B&S is designed for engines using the listed OEM part numbers; check your engine model and serial number to ensure compatibility.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.