Dayco A71518 Engine Coolant Bypass Hose Curved Molded Replacement

The Dayco A71518 is a molded engine coolant bypass hose engineered as a direct OEM replacement for select Ford and Mercury vehicles. Built with all-synthetic EPDM rubber construction and knitted reinforcement, this curved hose delivers reliable, long-lasting performance in demanding cooling system environments.

Key Features:

• EPDM Rubber Construction: Resists deterioration from ozone, coolants, oil, mud, salt, and road debris
• Wide Temperature Range: Rated for -40°F (-40°C) to +257°F (+125°C) operating temperatures
• Knitted Rayon Inner Reinforcement: Provides maximum strength and burst resistance for the life of the hose
• SAE J20R4, Class D-1 Compliant: Meets or exceeds OEM replacement requirements
• SAE J1684 Type EC Electro-Chemical Compliant: Prevents inner tube deterioration caused by static electric charge buildup
• Curved/Molded Design: Approximately 4 inches in length for precise OEM fitment
• Burst Resistance Guarantee: Backed for the life of the hose

Cross-Reference Part Numbers: Gates 20662, CARQUEST 20662, Motorcraft KM1935, OEM F1SZ-8597-A, F1SZ-8597-AB

The Dayco A71518 bypass hose is a quality-engineered cooling system component designed for straightforward, direct-fit installation as a replacement for the original equipment hose.