This radiator water temperature is compatible with models including NX250, PC800, Prelude AAB, AB3, AB5, VFR750R RC30, VT1100C, and VT500C.Made from copper, it supports effective heat dissipation to help maintain proper engine operating temperatures.The unit is designed as a direct replacement part and integrates into existing cooling systems without modifications.It is suitable for 500cc and 600cc engines and corresponds to OEM reference numbers 37750-KV3-951 and 37750-PC1-004.The product has been externally tested and meets ISO9001 quality standards, performance in various riding conditions.