Gates 19910 Premium Molded HVAC Heater Hose

The Gates 19910 is a premium molded HVAC heater hose engineered to deliver reliable coolant flow in modern vehicle heating and cooling systems. This factory-molded hose is designed to fit specific applications with an OEM-style construction that ensures a precise fit in today's tighter engine compartments.

Key Specifications:

• Inside Diameter: 0.73 inches (19mm)
• Centerline Length: 11.9 inches (302mm)
• Configuration: Single branch (non-branched design)
• Application: Inverter to DC Junction Box connection

Premium Construction Features:

• EPDM tube construction resists electrochemical degradation, the leading cause of heater hose failure
• Synthetic fiber knit reinforcement for enhanced durability and burst resistance
• EPDM cover provides protection against environmental elements
• Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
• Temperature range: -40°F to 275°F (-40°C to 135°C)

Multi-Purpose Applications:

• Suitable for coolant, water, and air transfer applications
• Approved for marine applications
• Unaffected by most coolants and non-oil based coolant additives
• Resistant to high cooling system pressures

Gates premium molded heater hoses are manufactured to OEM specifications and are designed to resist the common causes of hose failure including electrochemical degradation and water permeation. The pre-formed molded design eliminates the need to bend straight hose, ensuring proper routing and reducing installation time.

Note: Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal sealing performance. Not recommended for fuel or oil transfer applications.