Key Features

• Genuine Briggs & Stratton OEM Pre Cleaner – 272403S for compatible air intake assemblies.
• Pre-filtration that captures larger debris before reaching the main air filter, extending filter life.
• Durable foam media designed to withstand repeated handling and outdoor exposure without rapid degradation.
• OEM-matched dimensions with a slip-on or clamp-on fit for reliable positioning over the filter housing.
• Supports consistent engine performance by maintaining optimum airflow in dusty, dry, or debris-prone environments.
• Suitable for mowing, landscaping, and turf work where external pre-filtration reduces load on the main filter.

Product Details

• Part Reference: 272403S — Briggs & Stratton replacement pre-cleaner for compatible air intake assemblies.
• Function: External pre-filter that pre-filtrates the intake air, reducing load on the main air filter.
• Construction: Durable foam media designed to trap coarse particles while resisting wear and repeated cleaning.
• Fitment: Precise OEM dimensions with slip-on or clamp-on attachment to align over the corresponding air filter housing.
• Performance impact: Helps reduce filter clogging, maintain steady airflow, and support smoother engine operation in challenging environments.

Compatibility

• Designed for select Briggs & Stratton engines that require external pre-filtration ahead of the main air filter.
• Commonly installed on walk-behind lawn mowers, garden tractors, and other small outdoor power equipment operating in dusty or debris-rich conditions.
• Engine families: horizontal-shaft OHV single-cylinder engines used on walk-behind mowers; applications with pre-filter mounting bosses or bracket provisions ahead of the primary filter.
• Exact compatibility depends on the engine Model–Type–Code; verify against your engine’s illustrated parts list or official Briggs & Stratton diagrams.
• Cross-reference numbers you may encounter: 272403S, 272403 (non-suffix), 792403, and 799403.