Briggs & Stratton Air Filter - 396424S (4 Pack - 4137)

Key Features

• OEM Briggs & Stratton foam air filter – part 396424S, sold as a 4-pack (SKU 4137).
• Foam filtration traps dirt and debris while preserving airflow essential for combustion.
• Pack of 4 filters provides replacements for multiple maintenance intervals or servicing several machines.
• Manufactured to Briggs & Stratton original equipment specifications for precise fit and dependable performance.
• Supports engine longevity by reducing carburettor blockages and internal wear, contributing to smoother starting and steadier operation.
• Maintains optimal airflow while capturing contaminants, supporting engine performance and extended service life, with reduced emissions.
• Designed for Briggs & Stratton twin-cylinder / V-Twin engines using compatible foam air cleaner housings.
• Typical applications include larger ride-on mowers and garden tractors that use the 396424S foam filter.

Product Details

• Product Type: Foam Air Filter / Air Cleaner Element
• Part References: 396424S (individual filter), 4137 (4-pack SKU)
• Pack Quantity: 4 Filters
• Filtration Type: Foam
• Compatibility/Applications: Fits Briggs & Stratton twin-cylinder petrol engines with matching air cleaner housings commonly found on larger residential and light commercial outdoor equipment
• Benefits: Maintains optimal airflow while capturing contaminants, supporting engine performance, reduced emissions and extended service life
• Compatibility Engine Family: Briggs & Stratton twin-cylinder / V-Twin petrol engines with compatible foam air cleaner housings
• Typical Use: Larger ride-on mowers, garden tractors and similar machines that use the 396424S foam filter
• Common Engine Series: 402400, 421400, 422400 and other twin designs specified to use 396424S
• Fitment Tip: Air filter compatibility is determined by the engine’s exact model number and air cleaner housing design—verify your engine model/tag and compare with your existing filter before ordering to confirm correct match

Compatibility

• Engine Family: Briggs & Stratton twin-cylinder / V-Twin petrol engines with compatible foam air cleaner housings
• Typical Equipment: Larger ride-on mowers, garden tractors, and similar machines using the 396424S foam filter
• Common Engine Series: 402400, 421400, 422400, and other twin designs specified to use 396424S
• Fitment Guidance: Confirm compatibility by matching the engine model number and the air cleaner housing design to your current filter