Gates 12588 Heater Hose Molded Coolant Hose

The Gates 12588 is a molded heater hose engineered to deliver reliable coolant flow between the engine and heater core. Manufactured by Gates — a globally recognized leader in fluid power and power transmission products — this heater hose is built to withstand the heat, pressure, and chemical exposure found in modern automotive cooling systems.

Gates heater hoses are constructed from premium EPDM (ethylene propylene diene monomer) rubber, which provides superior resistance to coolant degradation, ozone, heat aging, and electrochemical attack (ECD). The molded design ensures a precise, leak-free fit that matches original equipment routing and geometry.

Key Features:

• OEM-quality molded heater hose for precise fit and routing
• EPDM rubber construction resists coolant, heat, and ozone degradation
• Electrochemical degradation (ECD) resistant inner liner
• Maintains flexibility across a wide temperature range
• Designed to meet or exceed original equipment specifications
• Gates part number: 12588

Gates heater hoses are a trusted OEM-replacement choice for professional technicians and DIY mechanics alike, ensuring long-lasting, dependable performance in your vehicle's cooling and heating system.