Gates Radiator Coolant Hose DMH1039
High-Performance Cooling System Solution
The Gates DMH1039 radiator coolant hose is factory molded to fit specific applications with OE-quality specifications. This premium coolant hose is engineered to deliver reliable performance in demanding automotive cooling systems.
Advanced Construction
- EPDM Tube Construction: Durable EPDM (ethylene propylene diene monomer) tube material provides superior longevity
- Reinforced Design: Synthetic fiber knit reinforcement ensures structural integrity under pressure
- Heat & Ozone Resistant Cover: EPDM cover material resists heat, ozone, and chemical coolants
- Electrochemical Degradation Resistance: Specifically engineered to resist ECD - the leading cause of hose failure
Key Features
- Temperature Range: Operates reliably from -40°C to +135°C (-40°F to +275°F)
- Vacuum Collapse Resistance: Engineered materials reduce the need for internal springs
- SAE Compliance: Meets requirements of SAE 20R4 EC Class D1 standards
- Marine Approved: Suitable for marine cooling applications
- Pre-shaped Design: Molded to ensure perfectly sealed conditions and precise fitment
Technical Specifications
This molded coolant hose is manufactured with Gates' proprietary compound that provides superior electrochemical resistance, ensuring longer service life and preventing the micro-cracks that lead to coolant system failures. The hose features aramid or rayon knit reinforcement depending on the specific application requirements.
Installation Notes
Gates recommends replacing hose clamps each time a new coolant hose is installed to ensure a secure fit and optimal performance.