799584 Carburetor Spark Plug Air Filter Tune Up Replacement Kit for 592361,594058,594057,594529 Compatible Troy Bilt TB200 TB110 Engines,FiT for 103M02 09P702 9P702 625EX 550EX 675EX 725 lc121p 163c

What It Is

This is an all-in-one tune-up kit for small engines on Troy-Bilt TB200/TB110 mowers and similar OHV/OHC engines. It includes a carburetor, spark plug, air filter, and fuel filter to restore starting, idling, and power on walk-behind mowers.

Fitment & Compatibility

• Engines that fit: Briggs & Stratton 103M02, 09P702, 9P702, 625EX, 550EX, 675EX, 725; also LC121P, 163C.
• OEM replacements: 592361, 594058, 594057, 594529, 799584.
• Check before buying:
  • Measure your engine’s deck size (not mower brand) – this kit fits 140cc–190cc engines.
  • Verify your existing carburetor mounting pattern (two-bolt, center-bowl style).
  • Confirm spark plug thread: this uses a standard 14mm thread (common for small Briggs).
  • Not compatible with Honda GCV engines or older Tecumseh engines.

Key Things to Know

• Quality varies – the carburetor is aftermarket; some units may need minor float adjustment or gasket trimming.
• Install difficulty: Moderate – requires removing the old carb, fuel lines, and air box. Have a small screwdriver and pliers ready.
• Common gotcha: The supplied fuel filter may not match your existing line diameter (check if you need 1/4" or 5/16" barbs).
• Spark plug gap: Always check and gap the included plug to 0.030" before installing.

Should You Buy It

This kit is a solid choice if you want a fast, budget-friendly refresh for a hard-starting or rough-running Troy-Bilt with a compatible Briggs engine. It’s not for purists needing OEM parts, but for the price, it typically gets a mower running again with one order.