Briggs & Stratton 801311 Carburetor Main Jet OEM Replacement Part

The Briggs & Stratton 801311 is a genuine OEM carburetor main jet designed as a direct replacement for Briggs & Stratton small gasoline engines. The main jet is a precision-calibrated component located inside the carburetor that meters fuel flow into the venturi, directly controlling the air-to-fuel mixture at mid to wide-open throttle. Replacing a worn or clogged main jet restores proper fuel delivery and helps maintain peak engine performance.

Key Features:

• Genuine Briggs & Stratton OEM part — engineered to exact factory specifications
• Precision-calibrated orifice ensures correct fuel metering for optimal combustion
• Direct drop-in replacement for the original main jet — no modifications required
• Manufactured to comply with applicable EPA emissions standards
• Restores proper fuel flow for reliable starting and smooth throttle response

As an authentic Briggs & Stratton OEM component, part number 801311 is manufactured and tested to deliver the fit and performance of the original equipment. Always verify the correct part number using your engine's model, type, and code numbers before ordering.