O RING - THERMOSTAT - L/ROVER 4 CYL. (click for further info)
O ring, top of thermostat, suits:
Series 2A petrol engines, 7:1 C/R from suffix D onwards
Series 2A petrol engines, 8:1 C/R from suffix A onwards
Series 2A diesel engine from engine suffix C onwards
Series 3 engines, all Diesel & Petrol 4 cyl.