Gates 12028 Molded HVAC Heater Hose 5/8" x 3/4" x 24-5/16"

The Gates 12028 is a precision-molded HVAC heater hose designed for valve-to-heater coolant applications. This premium molded hose is factory-shaped to exact OEM specifications, ensuring a perfect fit in today's compact engine compartments.

Key Specifications:

• Inside Diameter 1: 0.62 inches (5/8")
• Inside Diameter 2: 0.75 inches (3/4")
• Overall Length: 24-5/16 inches
• Temperature Range: -40°F to +275°F (-40°C to +135°C)
• Meets SAE 20R3 Type EC Class D-1 and D-2 specifications

Construction and Features:

• EPDM tube with synthetic fiber knit reinforcement and EPDM cover
• Engineered to resist electrochemical degradation (ECD), the leading cause of coolant hose failure
• Heat and ozone resistant materials for extended service life
• Pre-shaped design ensures proper fit and perfectly sealed connections
• Approved for marine applications

This molded heater hose features Gates' advanced EPDM compound specifically engineered to resist the electrochemical degradation that occurs when coolant, hose, and metal fittings create a galvanic reaction. Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal performance and leak prevention.