5 AIR FILTER FOR B&S 4250 798897 794935 44M977 44P977 44Q977 49L977 49M977

Air Filter for B&S

This air filter is a replacement part for B&S engines, referenced by OEM cross-numbers 4250, 798897, 794935, 44M977, 44P977, 44Q977, 49L977, and 49M977, designed to trap dirt and debris and protect engine air intake.

Overview

The air filter for B&S provides essential engine protection by capturing airborne contaminants before they enter the carburetor. This air filter is a direct replacement for many Briggs & Stratton engines, ensuring proper airflow and efficient combustion. Regular replacement of this air filter helps maintain engine performance and longevity.

Built For Performance

• High filtration efficiency catches fine particles
• Durable paper media resists tearing
• Preformed foam layer adds extra dust retention
• Exact fit for specified engine models
• Maintains optimal air-to-fuel ratio

On-The-Job Use

• On lawn mowers and garden tractors for clean air intake
• In portable generators to prevent engine wear
• On pressure washers and small utility engines
• During routine maintenance of B&S powered equipment

Specs At A Glance

Good To Know

Q: When should the air filter be replaced? A: Replace every 25–50 hours of operation or at the start of each mowing season to maintain engine efficiency.

Q: Can a dirty air filter cause engine starting problems? A: Yes, a clogged air filter restricts airflow, leading to hard starting, rough idle, and reduced power.

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