Fits Model:
TORO Nikki carburetors on TC1000, TC3000, TC3500,TC4000 and TC5000 series trimmers; Troy Bilt TB75SS and TB475SS
Specifications: Includes replacements for Toro part numbers 54-5000
54-5010
54-5020 and 54-5090
Not compatible with greater than 10% ethanol fuel
