Dayco E72374 Lower Curved Radiator Coolant Hose

The Dayco E72374 is a lower curved radiator hose engineered to deliver OE-quality performance and reliability for cooling system applications. This molded radiator hose features a precision-curved design with 18.5-inch length and 1.53-inch diameter, providing an exact-fit replacement for the original equipment.

Premium Construction:

• All-synthetic EPDM (Ethylene Propylene Diene Monomer) rubber construction for superior durability
• Knitted rayon reinforcement for maximum strength and burst resistance
• Protective sleeve guards against abrasion damage
• Meets SAE J20R3 Class D-1 industry standards for quality and performance

Extreme Environment Protection:

• Withstands temperature variations from -40°F to +257°F (-40°C to +125°C)
• Resists oil, mud, salt, and road debris exposure
• Ozone-resistant formulation prevents cracking and degradation
• Compatible with modern coolant formulations

This replacement hose cross-references to multiple OEM and aftermarket part numbers including GM 15107011, GM 15135283, ACDelco 24572L, Gates 23127, and NAPA 9788, ensuring broad compatibility across applications. The knitted reinforcement provides high-strength performance throughout the service life of the hose, while the EPDM construction maintains flexibility even in extreme conditions.