Dayco 72126 Upper Radiator Hose

The Dayco 72126 is a premium molded upper radiator hose engineered to deliver reliable coolant circulation in demanding automotive cooling systems. This precision-molded hose is designed to replace the original equipment hose with exact fitment, ensuring proper routing and connection between the engine and radiator.

Advanced EPDM Construction:

• Synthetic EPDM rubber compound provides superior resistance to oil, mud, salt, road debris, and ozone
• Knitted rayon reinforcement delivers maximum strength and burst resistance throughout the service life
• Protective sleeve offers additional abrasion protection against underhood hazards
• Withstands extreme temperature variations from -40°F to +257°F (-40°C to +125°C)

Quality Standards:

• Meets SAE J20R4, Class D-1 specifications for premium performance
• Exceeds Type EC electro-chemical requirements per SAE J1684 to prevent inner tube deterioration from static charge buildup
• Engineered to OE specifications for proper fit and function

This molded radiator hose features the same bends and routing as the original factory assembly, eliminating the need for modifications during installation. The knitted reinforcement prevents splitting, ballooning, and elongation, while the advanced EPDM formulation ensures compatibility with all common coolants and coolant additives. Backed by Dayco's reputation as a leading OE supplier, this upper radiator hose provides professional-grade reliability for passenger cars and light trucks.