Gates 12212 Premium Molded HVAC Heater Hose

The Gates 12212 is a premium molded HVAC heater hose engineered to deliver OEM-quality performance for specific automotive cooling system applications. This precision-molded hose is designed to replace the original equipment heater outlet hose with an exact-fit solution that ensures reliable coolant flow and leak-free connections.

Advanced Construction and Materials:

• EPDM (ethylene propylene diene monomer) rubber tube and cover for superior durability
• Synthetic fiber knit reinforcement for structural integrity
• Engineered to resist electrochemical degradation (ECD), the leading cause of coolant hose failure
• Enhanced resistance to water permeation extends service life

Performance Specifications:

• Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
• Operating temperature range: -40°F to 275°F (-40°C to 135°C)
• Resistant to heat, ozone, and chemical coolants
• Pre-shaped design ensures proper fit and sealed connections

Important Installation Notes:

• Gates recommends replacing hose clamps each time a new coolant hose is installed
• Not suitable for fuel or oil transfer applications
• Designed for coolant and air applications only

This molded heater hose provides a cost-effective alternative to expensive dealership parts while maintaining the same quality standards as original equipment. The precision manufacturing ensures proper fitment and eliminates the need for custom fabrication or modification.