Key Features

• Genuine Briggs & Stratton OEM Pre Cleaner (271794S) designed for dependable fit and performance within Briggs & Stratton air intake assemblies.
• Pre-Filtration Protection captures large dirt, dust, and debris before reaching the main air filter, helping reduce wear on the primary filtration stage.
• Durable foam construction withstands repeated cleaning and outdoor exposure without rapid degradation.
• Slip-on OEM-fitment design ensures secure placement over compatible air filter housings for reliable operation.
• Optimizes airflow by preserving the engine’s breathing capacity in dusty, dry, or debris-prone environments.
• External pre-filter compatibility for engines with a pre-filter mounted externally over the primary air filter.

Product Details

• Part Reference: 271794S
• Material: Durable foam media
• Function: Pre-filter that removes large dust and debris before reaching the main air filter
• OEM Standards: Manufactured to Briggs & Stratton original equipment specifications
• Replacement / Cross-References: Replaces 271794; cross-references include 792794 and 799794 in some listings
• Installation: Slip-on fitment that sits ahead of the air filter housing
• Ideal Conditions: Designed for dusty, dry or challenging work environments such as mowing, landscaping, and ground preparation

Compatibility

• Suitable for select Briggs & Stratton engines and equipment where this pre-cleaner is specified in the air intake assembly
• Common applications include walk-behind lawn mowers, garden tractors and ride-on mowers, and lawn & garden equipment operating in dusty or debris-prone conditions
• Exact fitment depends on the engine’s Model–Type–Code and the air filter housing design; verify against your engine’s parts diagram or official diagrams to confirm that 271794S is correct for your setup
• Cross-reference numbers you may encounter in catalogs: 271794 (non-suffix), 792794, 799794; verify against the official parts list for your model
• Fitment tip: If your engine’s air intake uses an external pre-filter mount, ensure compatibility with a pre-cleaner designed for that mounting arrangement