Gates 12525 HVAC Heater Hose 23/32" x 23/32" x 7-1/4" Molded EPDM

The Gates 12525 is a premium factory-molded HVAC heater hose designed for today's smaller, tighter engine compartments. This OEM-style molded coolant hose transfers engine heat to the heater core to warm the cabin, and is also suitable for water and air applications — including marine use. Constructed with an EPDM tube, synthetic fiber knit reinforcement, and an EPDM cover, it delivers lasting durability and reliable performance. End inside diameter measures 23/32" (18 mm) on both ends with a centerline length of 7-1/4" (184 mm).

Key Features:

• Factory-molded OEM-style design engineered to fit smaller, tighter engine compartments
• EPDM tube, synthetic fiber knit reinforcement, and EPDM cover construction
• Engineered to resist electrochemical degradation — the leading cause of hose failure
• Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
• Temperature range: -40°F to 275°F (-40°C to 135°C)
• Approved for coolant, water, air, and marine applications

Gates is a trusted name in engine hose technology, and this molded heater hose matches OEM quality standards for a confident, long-lasting repair. Fits select 2017–2019 Ford models. Gates recommends replacing hose clamps each time a new coolant hose is installed. Not intended for fuel or oil transfer applications.