Gates 18379 Molded Heater Hose ID Length - 0.63 9.7

The Gates 18379 is a premium molded heater hose designed for reliable coolant transfer in modern automotive applications. This GATR (Gates Advanced Technology Rubber) small inner diameter hose features a factory-molded design that fits today's compact, tighter-fitting engine compartments with OE-style precision.

Key Specifications:

• Inner Diameter: 0.63 inches
• Centerline Length: 9.7 inches
• Color: Black
• EPDM tube with synthetic fiber knit reinforcement and EPDM cover

Advanced Features:

• Engineered to resist electrochemical degradation (ECD), the leading cause of hose failure
• Meets SAE 20R3 Type EC Class D-1 and D-2 specifications for quality assurance
• Temperature range: -40°F to +275°F (-40°C to +135°C)
• Approved for coolant, water, air, and marine applications
• Unaffected by most coolants and non-oil based coolant additives
• Resists high cooling system pressures

This molded heater hose provides all the quality features expected from Gates molded coolant hose products, including superior resistance to water permeation and heat degradation. The precision-molded design ensures proper fit and long-lasting performance in demanding automotive cooling systems.

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