Online Store › Radiator - Sigma/Duratec Image 1 of 1 Radiator - Sigma/Duratec £400.00 All aluminium radiator to suit Caterham Sigma and Duratec powered cars. Will fit both S3 and SV. Quantity: Purchase Added! All aluminium radiator to suit Caterham Sigma and Duratec powered cars. Will fit both S3 and SV. You Might Also Like Coolant Hose - K Series/VX top hose Expansion Tank Cap Temperature Sender Expansion Tank- Cooling Hose - K Series Dry Sump
