HomeBelts and Cooling > Hoses and PipesDayco 72406 Radiator Coolant Hose - Lower
Part #: 72406

Dayco 72406 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
12 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, Lower
Fitment: Nissan, Altima
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Curved Radiator Hose 72406

The Dayco Curved Radiator Hose 72406 is designed specifically for Nissan Altima models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures long-lasting performance under demanding conditions.

  • Made from high-quality EPDM rubber for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • End 1 and End 2 inside diameter: 1 11/32 inches
  • End 1 and End 2 outside diameter: 1 5/8 inches
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type for consistent coolant flow
  • Trunk height of 20 1/2 inches for proper routing

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses that match the original equipment specifications for precise fit and function. This product line emphasizes durability and compatibility, ensuring that each hose maintains proper coolant circulation and resists degradation from heat and chemicals. The 72406 part is a representative of this line, tailored for Nissan Altima vehicles requiring a curved radiator hose with specific diameter and length measurements.

Detailed Product Description

This Dayco radiator coolant hose is engineered from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features a curved design that aligns with the Nissan Altima’s cooling system layout, facilitating efficient coolant transfer between the radiator and engine. Both ends of the hose have an inside diameter of 1 11/32 inches and an outside diameter of 1 5/8 inches, ensuring a secure connection to the corresponding fittings. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling applications.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator hoses in Nissan Altima models
  • Resolving coolant leaks caused by hose deterioration
  • Preventing engine overheating due to compromised coolant flow
  • Maintaining proper coolant system pressure and circulation
  • Addressing hose swelling or softening from heat exposure

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72406, ensure the engine is cool to avoid burns. Verify that the hose diameter matches the radiator and engine fittings for a secure seal. Use appropriate clamps to prevent leaks and check for any kinks or twists in the hose after installation. It is recommended to inspect adjacent components for wear during replacement to maintain overall cooling system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72406 to meet stringent SAE specifications, ensuring reliable performance in Nissan Altima vehicles. The EPDM material and construction standards provide resistance to heat and chemical exposure typical in automotive cooling systems. Warranty details should be confirmed with the original equipment manufacturer or supplier, as they may vary.

BrandDayco
Part Number72406
PositionCurved Radiator Hose, Lower
ColorBlack
End 1 Inside Diameter1 11/32
End 1 Outside Diameter1 5/8
End 2 Inside Diameter1 11/32
End 2 Outside Diameter1 5/8
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height20 1/2

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2018NissanAltima2.5LL4LowerCurved Radiator Hose
2017NissanAltima2.5LL4LowerCurved Radiator Hose
2016NissanAltima2.5LL4LowerCurved Radiator Hose
2015NissanAltima2.5LL4LowerCurved Radiator Hose
2014NissanAltima2.5LL4LowerCurved Radiator Hose
2013NissanAltima2.5LL4LowerCurved Radiator Hose
2012NissanAltima2.5LL4LowerCurved Radiator Hose
2011NissanAltima2.5LL4GASLowerCurved Radiator Hose
2010NissanAltima2.5LL4GASLowerCurved Radiator Hose
2009NissanAltima2.5LL4GASLowerCurved Radiator Hose
2008NissanAltima2.5LL4GASLowerCurved Radiator Hose
2007NissanAltima2.5LL4GASLowerCurved 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:

26594X

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