Gates 19541 Molded Heater Hose EPDM Dual I.D. 5/8 in. x 3/4 in.

The Gates 19541 Molded Heater Hose is a factory-molded, OEM-style heater hose engineered to deliver reliable coolant flow in modern engine compartments. Constructed with an EPDM tube, synthetic fiber knit reinforcement, and an EPDM cover, this hose is built to handle the demands of automotive heating and cooling systems.

Key Features:

• Dual Inside Diameter: End 1 ID: 5/8 in. (16mm) | End 2 ID: 3/4 in. (19mm) — specially designed for heater hose applications requiring a change in diameter
• Centerline Length: 27-3/16 in. (691mm)
• EPDM Construction: EPDM tube, synthetic fiber knit reinforcement, and EPDM cover for long-lasting durability
• Electrochemical Degradation (ECD) Resistant: Engineered to resist ECD, the leading cause of hose failure in automotive applications
• Resists Water Permeation: Maintains hose integrity and prevents coolant loss over time
• Wide Temperature Range: Rated from -40°F to +275°F (-40°C to +135°C)
• SAE Certified: Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
• Marine Approved: Suitable for coolant, water, and air applications, including marine use
• OEM Quality: Manufactured to meet or exceed original equipment specifications for a precise, leak-free fit

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

Gates has been a trusted name in automotive components for over a century, supplying parts that meet the exacting standards of OEM manufacturers worldwide. The 19541 molded heater hose delivers the same reliability and fit you'd expect from an original equipment part.