Gates 51549 HVAC Heater Hose Molded Coolant Hose

The Gates 51549 is a premium molded HVAC heater hose designed for reliable coolant transfer in automotive heating and cooling systems. This factory-molded hose is engineered to OEM specifications, providing a direct replacement solution for worn or damaged heater hoses in a wide range of vehicle applications.

Key Features:

• Factory-molded design for precise fitment and easy installation
• EPDM tube construction with synthetic fiber reinforcement for durability
• Engineered to resist electrochemical degradation (ECD), the leading cause of hose failure
• Heat and ozone resistant cover withstands harsh under-hood conditions
• Temperature rating: -40°F to +275°F (-40°C to +135°C)
• Approved for marine applications and compatible with coolant, water, and air
• Meets or exceeds SAE 20R3 and SAE 20R4 specifications

Gates molded heater hoses are designed to resist vacuum collapse and water permeation, ensuring long-lasting performance. As a trusted OEM supplier to more than 34 vehicle manufacturers worldwide, Gates brings the same quality and reliability to their aftermarket replacement parts. For optimal results, Gates recommends using PowerGrip SB clamps when installing this hose.