Castrol Brake Fluid Dot 4 Suits: Nissan Patrol GQ & GU models Castrol Brake Fluid Dot 4 is suitable for use in disc and drum brakes and hydraulic clutch systems where a non-petroleum based DOT 3 OR DOT4 fluid is specified. Comes in a handy 500ml bottle perfect for home, or as spare fluid to carry when on trips. Check out the other castrol products we have available in our online store.
