FS55R Carburetor for FS45 HS45 FS38 HL45 KM55R FS55RC C1Q-S97 with Fuel Line Kit c1q-s186 FS85 FS80R FS85R FS85T FS85RX Compatible with multiple models including FS45 HS45 FS38 HL45 KM55R FS55RC C1Q-S97 FS85 FS80R FS85R FS85T and FS85RX for broad application use Replacement carburetor designed to restore engine performance and fuel efficiency in string trimmers and brush cutters Includes a complete fuel line kit c1q-s186 for straightforward installation and fuel delivery Engineered to meet specifications consistent and under regular use Direct fit upgrade that integrates into existing systems without the need for modifications This is an aftermarket accessory.Brand names and model numbers are referenced strictly for compatibility information.