Briggs Stratton 271866s Cylinder Head Gasket

Product Description

The BRIGGS STRATTON 271866s is a cylinder head gasket designed for use in small gasoline engines. The cylinder head gasket seals the combustion chamber between the engine block and the cylinder head, maintaining compression and preventing combustion gases from escaping into the cooling passages or oil galleries. Proper sealing is critical to engine performance and longevity. This is an OEM-specification replacement part sourced from Briggs and Stratton, intended for installation by small engine technicians and qualified service professionals performing top-end engine repairs.

This cylinder head gasket is used in small engine applications common to lawn and garden equipment, including walk-behind lawn mowers, riding mowers, and other outdoor power equipment powered by Briggs and Stratton single-cylinder engines. It is typically installed during head gasket replacement service following overheating events, compression loss, or full engine rebuilds. Refer to the applicable Briggs and Stratton engine service manual to confirm fitment for the specific engine model and type being serviced.

Key Features

• OEM Briggs and Stratton replacement cylinder head gasket
• Seals the combustion chamber between the cylinder head and engine block
• Designed to maintain compression and prevent combustion gas leakage
• Direct replacement for engines requiring part number 271866s
• Suitable for small engine top-end repair and rebuild applications

Compatibility

Designed as an OEM-style replacement cylinder head gasket for Briggs and Stratton small engines used in lawn and garden power equipment. Consult the Briggs and Stratton parts lookup or engine service manual using the engine model, type, and code numbers to confirm compatibility before installation.

Installation Notes

Cylinder head gasket replacement is performed by small engine technicians and should be done with the engine fully shut down and cooled before disassembly. Disconnect the spark plug wire and drain fuel before removing the cylinder head. Follow the torque sequence specified in the Briggs and Stratton service manual for the applicable engine model when reinstalling the cylinder head. Inspect mating surfaces for warping or damage before installing the new gasket.

Technical Specifications

• Part Type: Cylinder Head Gasket
• Application: Small Gasoline Engine

Standard Information

• Brand: BRIGGS STRATTON
• Manufacturer Part Number: 271866s