Keeps your various running the way it should — this CASTROL part restores the original function of a worn or failed MOTORCYCLE COOLANT 1L (Antifreeze Coolant), built to OEM reference not specified rather than a generic approximation.
CASTROL identifies it as 15F1CA. Match that against OEM not specified or your old part before fitting, particularly if your vehicle's had any running changes across its production years.
Confirmed for selected various vehicles. Use the vehicle registration lookup tool if you're not certain, or browse Oils and fluids for other options.