For Jaguar OEM Coolant Expansion Tank Cap for X Type XJ8 XK8 XJR XKR 1PC
Expansion Tank Cap Coolant Reservoir Bottle for Jaguar X-Type XJ8 XK8 XJR XKR. Older engines use coolant that is Blue/Green later engines use Pink, Pink coolant can be used in older engines but Blue/Green cannot be used in later engines.