Briggs & Stratton 845289 Carburetor Main Jet Jets

The Briggs & Stratton 845289 Main Jet is a genuine OEM carburetor component designed to regulate fuel flow and ensure optimal engine performance. This precision-engineered jet controls the fuel-air mixture during engine operation, directly affecting combustion efficiency, power output, and throttle response.

Key Features:

• Genuine Briggs & Stratton OEM part ensures exact fit and proper function
• Precision-machined orifice maintains accurate fuel metering
• Direct replacement for worn or clogged jets
• Helps restore proper engine starting and running characteristics
• Ensures compliance with EPA emission regulations when installed on Briggs & Stratton engines

Main jets are critical carburetor components that can become clogged or corroded over time, especially when ethanol-blended fuel is used or equipment is stored without proper fuel system maintenance. Symptoms of a faulty main jet include hard starting, rough idle, loss of power, or engines that only run with choke applied. Replacing a damaged or obstructed main jet with this genuine Briggs & Stratton part restores proper fuel delivery and engine performance.

This is a factory original equipment manufacturer (OEM) part manufactured to Briggs & Stratton's exact specifications for quality and reliability.