Koubliztic TB230 Carburetor Replacement Kit for Troy-Bilt 163cc Mowers — Fits TB280ES TB320 TB330 TB340 TB370 TB554, Includes Filt

Koubliztic's TB230 carburetor kit replaces worn or faulty carburetors on select Troy-Bilt 163cc mower engines to restore reliable starting and smooth running.

If your Troy-Bilt mower is hard to start, stalls, or runs inconsistently, a deteriorated carburetor is a common cause. This complete replacement kit is manufactured to match OEM fit and function for a range of Troy-Bilt engine models, and it ships with the parts you need to install the carburetor and get back to mowing without scavenging for extra fittings.

Which Troy-Bilt models and part numbers does this carburetor fit?

This Koubliztic TB230 carburetor is engineered to fit multiple Troy-Bilt lawn mower engines using the 163cc family. It replaces several original part numbers, so verify your engine’s stamp or service manual before ordering.

• Compatible models: TB230, TB280ES, TB320, TB330, TB340, TB370, TB554.
• Replaces OEM part numbers: 594058, 594057, 592361, 594529, 799584.
• Fits carburetor codes such as 09P602-0023-F1 through 09P602-0117-F1 and selected 08P502-series codes.

What comes in the Koubliztic TB230 carburetor kit and why it matters?

The kit bundles the carburetor with common consumables you’d otherwise buy separately, saving time and ensuring all installation interfaces are new. Having the fuel hose, filters and clamps included reduces the risk of leaks or poor sealing after the swap.

• Included: 1 x TB230 carburetor (799584), 1 spark plug, fuel hose and fuel shutoff valve.
• Also included: 2 air filters, air filter cover, fuel filter, throat clamps and mounting rings.
• Factory-tested components intended for immediate fit and improved service life.

How difficult is installation and what tools will I need?

Installation is straightforward for anyone comfortable with small engine maintenance and basic hand tools. If you follow the mower’s service instructions, replacement can usually be completed in under an hour.

• Suggested tools: socket set, screwdrivers, pliers and a clean rag for fuel cleanup.
• Tip: Disconnect the spark plug, drain or clamp the fuel line, and work in a well-ventilated area.
• Most fasteners and hose connections are OEM-compatible for a direct swap.

Who is this for? Homeowners and small‑engine technicians who own a compatible Troy‑Bilt mower and need a reliable replacement carburetor with accompanying consumables. This kit is ideal if you want an all‑in‑one repair package that avoids multiple trips for parts and aims to restore dependable starting, smoother idling, and consistent power delivery without aftermarket guessing. Always confirm your engine part numbers and follow safety guidance during installation.