Koubliztic TB230 Replacement Carburetor Kit for Troy-Bilt 163cc Mowers — Direct Fit, Complete Repair Pack

A complete Koubliztic replacement carburetor kit engineered to restore reliable starting and steady idle for Troy-Bilt 163cc mower engines.

If your Troy-Bilt lawn mower is hard to start, stalls under load, or runs unevenly, the carburetor is a common culprit. The Koubliztic TB230 carburetor kit is made to match the mounting points, throttle linkages and fuel passages of many Troy-Bilt 163cc engines, giving you a direct-replacement option to return performance without the wait or cost of a dealer service visit.

How does this kit fit my Troy-Bilt model?

The kit is designed to be compatible with a long list of Troy-Bilt part numbers and model families including TB230, TB280, TB320, TB330, TB340, TB370 and TB554 with 163cc engines. Before installing, compare the listed OEM numbers and visual mounting points to your existing carburetor to confirm match.

• Replaces factory part numbers: 594058, 594057, 592361, 594529, 799584
• Fits compatible part references such as 09P602-0023-F1 through 09P602-0117-F1 and many 08P502-series codes
• Direct bolt-on footprint for the listed Troy-Bilt engine families

What’s included and why those parts matter?

This kit supplies the core carburetor plus the common wear items technicians replace when servicing small engines, so you get a more complete repair in a single package. Replacing gaskets, fuel line and the air filter at the same time helps prevent follow-up issues and reduces troubleshooting time.

• 1 x 799584-style carburetor body for correct fit and fuel flow
• 1 x spark plug and 1 x fuel shutoff valve for simplified reassembly
• Fuel hose, fuel filter, two air filters and air filter cover to refresh the intake and fuel supply
• Two throat clamps and two rings to secure connections and prevent leaks

How difficult is installation and what tools do I need?

Installation is moderate for anyone comfortable with small-engine maintenance and basic hand tools. You’ll remove the old carburetor, transfer or replace linkages and gaskets, and reconnect fuel and air lines; following a service manual or step-by-step guide makes the process smoother.

• Recommended tools: socket set, screwdrivers, pliers, gasket scraper, torque wrench optional
• Typical time: 30–90 minutes depending on experience and model access
• Adjustments: idle and mixture may require minor tuning for optimum performance

Will this improve engine reliability and longevity?

Replacing a worn or clogged carburetor with a properly fitted unit can restore fuel metering and combustion consistency, which supports reliable starts and smoother operation. While the carburetor is one of several components affecting engine life, fresh fuel delivery components reduce the chance of fuel starvation and carbon buildup.

• Factory-tested carburetor body made from quality materials for stable performance
• Fresh fuel filter and hose reduce contamination-related wear
• New air filters help maintain correct air flow and protect the engine internals

Who is this for? The Koubliztic TB230 carburetor kit is aimed at DIYers, small-engine mechanics, and lawn equipment owners who want an affordable, correctly sized replacement for specific Troy-Bilt 163cc mower engines. If you match any of the listed part numbers and need a complete service-level replacement (carburetor plus common consumables), this kit provides the parts needed to get your mower back to dependable running condition.