Briggs & Stratton Air Filter - 397795S

Key Features

• Genuine Briggs & Stratton OEM foam air filter, part number 397795S, designed for Briggs & Stratton single-cylinder petrol engines with matching foam housings.
• Foam filtration element traps dust and particles while preserving sufficient airflow to support carburettor operation and combustion.
• Simple replacement for routine service intervals to minimize downtime and maintenance effort.
• Helps extend engine life by reducing carburettor contamination and internal wear, contributing to easier starts and smoother running.
• Includes compatibility guidance with pre cleaner 399039 for optimized filtration performance.

Product Details

• Product Type: Foam Air Filter / Air Cleaner Element
• Part Reference: 397795S
• Filtration Type: Foam
• Compatibility: Briggs & Stratton single-cylinder petrol engines with matching foam housing
• Application: Engine air filtration for carburettor and internal protection
• Pre Cleaner: 399039
• Engine Class: Suitable for 3.5hp and 4hp Max Series engines
• Typical Engine Families: Single-cylinder 425E / 450E / 500E / 550E; 450EX / 500EX / 550EX variants
• Fitment Note: Air filter compatibility depends on engine model number and air cleaner housing design; verify by comparing with the current filter or checking the engine’s model tag before ordering
• Housing Design Requirement: Compatible with foam housing configurations used by Briggs & Stratton air cleaners
• Fitment Verification Guidance: Confirm by engine model tag or by comparing current filter to 397795S

Compatibility

• Engine Families: 425E / 450E / 500E / 550E (single-cylinder); 450EX / 500EX / 550EX variants
• Typical Equipment: walk-behind lawn mowers, garden tractors, tillers, and other compact outdoor power equipment
• Housing Requirement: foam air cleaner housings configured for Briggs & Stratton foam filters
• Verification: check engine model tag or compare with the current filter to ensure 397795S compatibility
• Pre Cleaner Pairing: designed to work with Briggs & Stratton pre cleaner 399039 for integrated filtration