10 October 2025
Masuma continues to broaden its line of rubber components with the introduction of reinforced hoses for automotive cooling and heating systems, suitable for both passenger cars and commercial vehicles.
The new products include the CH Series (Coolant Hose) for engine cooling systems and the HH Series (Heater Hose) for vehicle heating systems.
Coolant Hoses (CH Series)
Coolant hoses are designed to transfer coolant and other working fluids between components of a vehicle’s cooling system.
- Inner and outer layer: durable synthetic EPDM rubber
- Reinforcement: high-strength polyester fiber
- Standard: SAE J20 (hoses for engine coolant and ventilation systems)
- Operating temperature range: –40 to +120 °C
| Part number | Inner diameter (inches) | Inner diameter (mm) | Outer diameter (mm) | Working pressure (bar) | Burst pressure (bar) | Coil lenght (m) |
| CH-3180 | 7/10 | 18 | 25 | 5 | 17.2 | 20 |
Heater Hoses (HH Series)
Heater hoses are used to transfer coolant within the vehicle’s heating system and auxiliary circulation systems such as Webasto and other pre-heaters.
- Inner and outer layer: durable synthetic EPDM rubber
- Reinforcement: high-strength polyester fiber
- Standard: SAE J20 (hoses for engine coolant and ventilation systems)
- Operating temperature range: –40 to +120 °C
| Part number | Inner diameter (inches) | Inner diameter (mm) | Outer diameter (mm) | Working pressure (bar) | Burst pressure (bar) | Coil lenght (m) |
| HH-3160 | 5/8 | 16 | 24 | 5 | 17.2 | 20 |
