BioLion Carburetor Replacement for Craftsman M110 M220 M230 — Part 799584 Kit with Gaskets & Fuel Filter

If your push mower is stalling, running rough, or won’t idle, the carburetor is often the source. This BioLion 799584 carburetor is manufactured as a full replacement for part numbers 799584, 594058, 594057, 594529 and 592361 and fits a range of small-engine models (550EX, 625EX, 675EX, 725Exi and multiple 140–163cc series). The kit arrives ready to install with the common consumables included so you can replace the old unit in one visit.

Will this carburetor fit my Craftsman or Troy-Bilt mower?

Check the original engine model and part number on your mower to confirm compatibility. The BioLion 799584 unit lists compatibility with Craftsman M110, M220, M230 push mowers and Troy-Bilt TB110 and TB200, and fits engine families like 09P702, 093J02, 103M02, 104M02, 103M05 and 104M05.

• Replaces OEM numbers: 799584, 594058, 594057, 594529, 592361
• Fits engine series: 550EX, 625EX, 675EX, 725Exi, 140cc–163cc
• Compatible models: Craftsman M110/M220/M230; Troy-Bilt TB110/TB200
• Always verify your mower’s stamped engine code before ordering

What’s included in the BioLion carburetor kit and why it matters?

The kit is assembled to make a single-stop repair. Instead of sourcing separate seals, clamps or a filter, you receive everything needed to swap the carburetor and reduce the chance of leaks or misassembly.

• 1× carburetor body ready to install
• 2× gaskets to ensure a secure fit and prevent air leaks
• 2× hose clamps for reliable fuel line attachment
• 1× fuel filter and 1× fuel shutoff valve for cleaner fuel and easy maintenance
• 1× spark plug included so you can complete a tune-up during replacement

How do I install this carburetor and maintain it afterward?

Basic mechanical skills and common hand tools are sufficient for most DIYers. Disconnect the spark plug, remove the air cleaner, detach fuel lines, swap the carburetor and install the new gaskets and clamps; follow torque recommendations from your mower manual.

• Always disconnect the spark plug before starting work
• Replace gaskets and clamps supplied to prevent vacuum leaks
• Use the included fuel filter and shutoff valve to reduce debris and allow safe storage
• Run fresh, stabilized fuel and check for leaks after first start

Will this part restore performance and when should I replace it?

A worn or clogged carburetor often causes rough idle, difficult starting or inconsistent throttle response. If cleaning doesn’t solve those symptoms and the part numbers match, replacing the carburetor with a complete kit like this typically restores fuel metering and improve lawn-mower reliability.

• Replace if mower stalls, idles poorly or surges under load
• Try cleaning first only if you confirm the carb is reinstallable and undamaged
• Use the kit when gaskets, jets or floats are degraded or missing
• Regularly change fuel filter and use stabilized fuel to prolong carburetor life

Who is this for: The BioLion 799584 carburetor kit is intended for homeowners and small-engine technicians who need a ready-to-install replacement for Craftsman M110/M220/M230 and compatible Troy-Bilt mowers. It suits DIYers who want a full parts kit to save time and prevent multiple trips for individual components; verify your mower’s engine code to ensure a correct fit before purchase.