Overview

• Manufacturer: Briggs & Stratton
• Product type: Genuine OEM foam air filter element (air cleaner) designed for Briggs & Stratton small petrol engines with foam filter housings
• Purpose: Provides precise fit and reliable filtration while preserving airflow to the carburettor and combustion chamber
• Usage: Regular maintenance item for lawn mowers and outdoor power equipment, enabling quick servicing with minimal downtime
• Part reference: 270843S

Key Features

• Part Number: 270843S
• Type of machine: Briggs & Stratton small petrol engines with foam filter housings
• Compatibility scope: Includes the 550E/551E/552E single‑cylinder family; also compatible with 550EX/551EX/552EX variants, some 600 series single‑cylinder engines with matching foam housings, and some 700–825 series engines where the housing design matches 270843S
• Installation tips: Easy to replace during routine maintenance; verify engine model/code and air cleaner housing design to confirm fitment; ensure a proper seal to maintain filtration efficiency
• Filtration & airflow: Foam filtration element traps dirt and debris while preserving airflow to the carburettor and combustion chamber

Compatibility

• Suitable machine models: Briggs & Stratton small petrol engines with foam filter housings, specifically 550E/551E/552E family; 550EX/551EX/552EX variants; some 600 series single‑cylinder engines with compatible foam filter housings; some 700–825 series engines where the filter housing design matches the 270843S specification
• Alternative part numbers: Not specified