Silicone cooling hoses represent the highest quality replacement available for the MGB cooling system. Where standard rubber hoses harden, crack, and deteriorate over time, particularly on cars that are stored for long periods or subjected to repeated heat cycling, silicone maintains its flexibility and sealing properties for many years without degradation. Silicone rubber is inherently resistant to the ozone, UV exposure, and temperature extremes that cause conventional rubber to fail. It operates effectively across a far wider temperature range than standard hose material, making it equally suited to cars driven in winter conditions and those used hard in summer or on track days.
The material does not absorb moisture or swell in the way that ageing rubber does, and it will not collapse under the vacuum created on the water pump intake side of the system. Silicone cooling hose sets are supplied with stainless steel band clips for a secure and corrosion-resistant installation. They are a direct replacement for the standard rubber hoses, using the same connection points and routing.
For owners who want the reassurance of a cooling hose set that will not need replacing for the foreseeable future, and who value the peace of mind that comes with knowing the hoses are not silently deteriorating between uses, silicone is the definitive upgrade. When fitting silicone hoses, it is advisable to flush the cooling system, check the thermostat and water pump condition, and refill with fresh coolant to ensure the full benefit of the new hoses is realised from the outset.