Gates 12363 Premium Molded Heater Hose

The Gates 12363 Premium Molded Heater Hose is a factory-molded, OEM-style coolant hose engineered for precise fit and reliable performance in automotive heating systems. This pre-shaped hose is designed to fit specific applications where space is tight and exact routing is critical for proper installation.

Key Features:

• Engineered to resist electrochemical degradation (ECD), the leading cause of coolant hose failure
• EPDM rubber tube and cover with synthetic fiber reinforcement for maximum durability
• Resists water permeation to maintain hose integrity over time
• Temperature range: -40°F to +275°F (-40°C to +135°C) for reliable operation in extreme conditions
• Meets SAE 20R3 Type EC Class D-1 and D-2 specifications for quality assurance
• Factory-molded design eliminates the need for bending straight hose and ensures proper fit
• Approved for marine applications

This premium heater hose is compatible with air, water, and coolant applications. Gates recommends replacing hose clamps with PowerGrip SB Clamps each time a new coolant hose is installed for optimal sealing and leak prevention. Not for use with fuel or oil.