Morris Hydroelastic Fluid is a specialist aqueous hydraulic fluid developed specifically for the Hydrolastic and Hydragas pump-up suspension systems used in British Motor Company (BMC) and Austin Rover Group (ARG) front-wheel-drive vehicles. Originally developed by Morris Lubricants when these suspension systems first appeared, this updated formula ensures correct fluid characteristics for balanced displacer movement between front and rear — far superior to plain water/alcohol alternatives. Additives keep damper and bleeder valves clean, corrosion-free and functioning correctly. Fully compatible with all system rubber and sealing components.