MASTER CYLINDER

This master cylinder controls hydraulic pressure in the brake system of a Renault R4. The unit converts pedal force into pressure for the brake lines. The design fits systems with a cylinder size combination of twenty and six millimetres. The construction matches brake components from established manufacturers. The cylinder supports balanced distribution of braking force across the wheels. The product fits existing mounting points and connections on the vehicle. Suitable for replacing a worn or leaking master cylinder in classic brake systems of this vehicle type. It helps maintain consistent pedal feel and reliable response during normal braking operation.