HomeBelts and Cooling > Hoses and PipesDayco 72371 Radiator Coolant Hose - Upper
Part #: 72371

Dayco 72371 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
16 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Curved Radiator Hose, Upper
Fitment: Chevrolet, Pontiac, and Saturn, Malibu, G6, and Aura
Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 72371

The Dayco Curved Radiator Hose 72371 is designed for reliable coolant flow in select Chevrolet, Pontiac, and Saturn vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in the cooling system of models like the Chevrolet Malibu, Pontiac G6, and Saturn Aura.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black single inside diameter hose with 1 1/4 inch inside diameter on both ends
  • Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 30 1/2 inches for precise fitment
  • Compatible with Chevrolet Malibu, Pontiac G6, and Saturn Aura models

Detailed Product Description

The Dayco Curved Radiator Hose 72371 is a single inside diameter hose designed to maintain efficient coolant circulation within the radiator system. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this hose supports the thermal demands of modern engines. Both ends feature a 1 1/4 inch inside diameter, ensuring a secure connection to the radiator and engine fittings. The hose does not include a heat shield or protective sleeve, which is typical for this type of radiator coolant hose. Its trunk height of 30 1/2 inches allows for proper routing and fitment in the cooling systems of Chevrolet Malibu, Pontiac G6, and Saturn Aura vehicles.

About the Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses shaped to fit specific vehicle cooling system layouts. This product line addresses the need for precise bends and lengths to ensure proper coolant flow without kinks or stress points. The 72371 part number is part of this line, providing a tailored fit for select GM models, which helps maintain system integrity and reduces the risk of leaks or premature hose failure.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses
  • Resolving coolant leaks caused by hose degradation
  • Preventing overheating due to compromised coolant flow
  • Maintaining proper coolant system pressure and circulation
  • Ensuring compatibility with Chevrolet Malibu, Pontiac G6, and Saturn Aura cooling systems

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72371, ensure the engine is cool to avoid burns from hot coolant. Verify that the hose routing matches the original to prevent kinks or interference with other engine components. Use appropriate clamps to secure both ends of the hose firmly. Inspect adjacent hoses and connections for wear during installation to maintain overall cooling system reliability.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72371 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to meet OEM specifications for durability and performance.

BrandDayco
Part Number72371
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 1/4
End 2 Inside Diameter1 1/4
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height30 1/2

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010ChevroletMalibu3.5LV6UpperCurved Radiator Hose
2010PontiacG63.5LV6UpperCurved Radiator Hose
2009ChevroletMalibu3.5LV6UpperCurved Radiator Hose
2009PontiacG63.9LV6UpperCurved Radiator Hose
2009PontiacG63.5LV6UpperCurved Radiator Hose
2008ChevroletMalibu3.5LV6UpperCurved Radiator Hose
2008PontiacG63.9LV6UpperCurved Radiator Hose
2008PontiacG63.5LV6UpperCurved Radiator Hose
2008SaturnAura3.5LV6UpperCurved Radiator Hose
2007ChevroletMalibu3.9LV6UpperCurved Radiator Hose
2007ChevroletMalibu3.5LV6UpperCurved Radiator Hose
2007PontiacG63.9LV6UpperCurved Radiator Hose
2007PontiacG63.5LV6UpperCurved Radiator Hose
2007SaturnAura3.5LV6UpperCurved Radiator Hose
2006ChevroletMalibu3.9LV6UpperCurved Radiator Hose
2006PontiacG63.9LV6UpperCurved Radiator Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

26540X

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.