This replacement carburetor fits FS500, FS500L, and FS550 brush cutters. It replaces original part number 4116-120-0606 and HD-31 variants, delivering reliable fuel flow for consistent engine performance.
Key features
Direct fit for FS500, FS500L, and FS550 models
Replaces OEM part 4116-120-0606 and HD-31, HD-31-1, HD-31A carburetors
Complete assembly — ready to bolt on with no additional parts needed
Precision-engineered for easy installation
Durable construction built to handle regular cutting work
Ideal for anyone restoring or maintaining a brush cutter.
