Dayco 72417 Lower Radiator Coolant Hose

The Dayco 72417 is a precision-molded lower radiator hose engineered to replace OEM hoses on light-duty vehicles with superior performance and reliability. This curved radiator hose features a single inside diameter design with professional-grade construction to ensure proper coolant flow and system integrity.

Construction and Materials:

• Synthetic EPDM rubber construction for excellent resistance to oil, mud, salt, road debris, and ozone
• Knitted rayon reinforcement provides maximum strength and burst resistance throughout the life of the hose
• Protective sleeve offers additional protection against abrasion
• Black finish with durable outer layer

Technical Specifications:

• End 1 Inside Diameter: 1-5/16 inches
• End 2 Inside Diameter: 1-5/16 inches
• End 1 Outside Diameter: 1-5/8 inches
• End 2 Outside Diameter: 1-5/8 inches
• Temperature Range: -40°F to +257°F (-40°C to +125°C)
• Meets SAE J20R4 Class D-1 specifications
• Meets SAE J1684 Type EC electro-chemical requirements

Key Features:

• Precision-molded curved design ensures exact OEM fit and routing
• Prevents splitting, ballooning, and elongation under pressure
• Resists coolant additives and detrimental environmental elements
• Electro-chemical construction prevents inner tube deterioration from static charge buildup
• Vehicle-specific design eliminates cutting or adjustments during installation

Designed as a direct replacement for original equipment, this Dayco molded radiator hose delivers the quality and performance expected from a global leader in automotive cooling system components.