The Briggs & Stratton 273113 (often found as 273113S) is a genuine OEM Cylinder Head Gasket. This gasket creates a high-pressure seal between the engine block and the cylinder head, ensuring that the combustion chamber remains airtight and preventing oil or coolant from leaking into the cylinder. Key Product Details Purpose: Seals the combustion chamber to maintain engine compression and prevents power loss or overheating. Engine Compatibility: Primarily fits L-Head (Side Valve) engines, specifically the 10 HP, 11 HP, and 12 HP vertical and horizontal shaft series. Model Series: Common compatible models include the 220000, 250000, and 280000 series (e.g.,…