Gates 12066 Small I.D. Molded Coolant Heater Hose 3/4" x 18-3/4"

The Gates 12066 Small I.D. Molded Coolant Hose is a factory-molded, OEM-style heater hose engineered to fit today's smaller, tighter engine compartments. Constructed from high-quality EPDM rubber with a synthetic fiber knit reinforcement layer and an EPDM outer cover, this hose delivers reliable, long-lasting performance in demanding cooling system environments.

Key Features:

• Inside Diameter: 3/4 in. (18mm) on both ends
• Centerline Length: 18-3/4 in. (476mm)
• Material: EPDM tube, synthetic fiber knit reinforcement, EPDM cover
• Temperature Range: -40°F to 275°F (-40°C to 135°C)
• Approved for coolant, water, and air applications — also approved for marine use
• Engineered to resist electrochemical degradation, the leading cause of hose failure
• Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
• OEM-style molded design for precise fit and optimal routing
• 1-Year Limited Warranty

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

The Gates 12066 is sold as a single unit (each) and is a direct OE-quality replacement designed to restore proper cooling system function with confidence.