499811 Carburetor Kit for B&S 499812 699734 699735 792455 792456 797890 40F777

Product Overview

This carburetor kit provides a direct-replacement fuel metering solution for select Briggs & Stratton engines, restoring proper air-fuel mixture for reliable starting and smooth operation. Designed for lawn mowers, generators, and other small-engine equipment, it replaces the original carburetor to fix rough idling, stalling, or hard starting. The kit includes all necessary gaskets and components for a complete overhaul.

Key Features & Performance

• Pre-jetted and factory-tested for accurate fuel delivery
• Includes mounting gaskets and seals for a leak-free installation
• Constructed with corrosion-resistant materials for long service life
• Direct bolt-on replacement – no modifications required
• Compatible with both vertical and horizontal shaft engines (where applicable)

Fitment & Compatibility

• Briggs & Stratton engines with Model Number 40F777
• Replaces OEM Part Numbers: 499811, 499812, 699734, 699735, 792455, 792456, 797890

Common Uses

• Walk-behind lawn mowers
• Riding mowers and garden tractors
• Portable generators
• Pressure washers and log splitters
• Small-engine utility equipment

Technical Specifications

• Part Number(s): 499811, 499812, 699734, 699735, 792455, 792456, 797890, 40F777
• Product Type: Carburetor Kit
• Material: Zinc alloy body with brass jets
• Fuel Type: Gasoline

Frequently Asked Questions

Q: Will this carburetor kit fit my Briggs & Stratton 40F777 engine? A: Yes, this kit is specifically designed for engines with the 40F777 model number and the listed OEM part numbers.

Q: Does the kit come with installation instructions? A: It includes all gaskets and components, but professional installation is recommended if you are not familiar with carburetor replacement.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.