Dayco 71853 Molded Radiator Hose - Upper/Lower Coolant Hose

The Dayco 71853 is a premium molded radiator hose engineered to provide reliable coolant system performance in automotive applications. This OE-style replacement hose features professional-grade construction designed to handle the demanding thermal and pressure conditions of modern cooling systems.

Construction and Materials:

• All-synthetic EPDM rubber construction with knitted rayon reinforcement for maximum burst resistance
• 15-inch overall length with 1.25-inch diameter on both ends for secure connections
• Black rubber finish that resists degradation from environmental exposure
• Meets SAE J20R4 Class D-1 specifications for improved service performance
• Meets SAE J1684 Type EC electro-chemical requirements to prevent premature deterioration

Performance Features:

• Temperature range from -40°F to +257°F (-40°C to +125°C) for extreme climate durability
• Superior resistance to oil, mud, salt, road debris, ozone, and all coolant types
• Knitted reinforcement provides high strength and prevents collapse under vacuum conditions
• Molded configuration ensures proper fit and routing for specific vehicle applications

This direct-fit replacement hose does not include clamps or adapters, allowing for installation with your preferred hardware. The precision-molded design eliminates the need for universal flex hoses while providing a factory-quality appearance and reliable long-term performance.