The Koyo radiator for 2009–2013 Nissan GT‑R with the 3.8L engine and automatic transmission is a vehicle‑specific replacement that fits the GT‑R cooling system layout. It is intended to restore correct coolant flow and temperature control for those model years and transmission type during service or repairs, matching the original fitment requirements.
Koyo 09-13 Nissan GT-R 3.8L (AT) Radiator