HomeBelts and Cooling > Hoses and PipesDayco 72530 Radiator Coolant Hose - Lower
Part #: 72530

Dayco 72530 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
⚙️ 23 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Lower
🚗Fitment: Lexus, Suzuki, and Toyota, Highlander, RX350, RX450h, SX4, and SX4 Crossover
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 72530

The Dayco Curved Radiator Hose 72530 is engineered for reliable coolant flow in select Lexus, Toyota, and Suzuki vehicles. Designed with durable EPDM material, this black radiator coolant hose ensures consistent performance in demanding engine environments.

  • Constructed from EPDM for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • Inside diameter of 1 5/16 inches on both ends
  • Outside diameter of 1 23/32 inches on both ends
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type
  • Trunk height of 13 3/4 inches
  • Compatible with Lexus Highlander, RX350, RX450h, Toyota Highlander, and Suzuki SX4 models

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to match specific vehicle cooling system layouts. This product line emphasizes durability and compliance with SAE standards, ensuring proper coolant flow and fitment without the need for modifications. The 72530 part is a representative component designed to meet the exacting requirements of certain Lexus, Toyota, and Suzuki models.

Detailed Product Description

The Dayco 72530 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids. Its black color and curved shape allow it to fit seamlessly within the engine bay of compatible vehicles. Both ends of the hose have an inside diameter of 1 5/16 inches and an outside diameter of 1 23/32 inches, making it a single inside diameter hose suitable for specific radiator connections. The hose does not include a heat shield or protective sleeve, which is typical for this type of radiator hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Applications and Common Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Lexus Highlander and RX series
  • Restoring proper coolant flow in Toyota Highlander cooling systems
  • Fixing coolant leaks caused by hose degradation in Suzuki SX4 and SX4 Crossover
  • Addressing overheating issues related to faulty radiator hoses
  • Maintaining engine temperature regulation by ensuring hose integrity

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72530, ensure the hose is properly seated on radiator and engine fittings to prevent leaks. Use appropriate clamps tightened to manufacturer specifications. Inspect adjacent components for wear or damage during replacement. Avoid twisting or stretching the hose during installation to maintain its shape and performance.

Quality Assurance and Warranty

Dayco manufactures the 72530 radiator hose to meet strict SAE standards, providing reliable performance for compatible Lexus, Toyota, and Suzuki vehicles. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls to ensure durability and fitment accuracy.

BrandDayco
Part Number72530
PositionCurved Radiator Hose, Lower
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 5/16
End 2 Inside Diameter1 5/16
Contains Heat ShieldN
Contains Protective SleeveN
End 1 Outside Diameter1 23/32
End 2 Outside Diameter1 23/32
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height13 3/4

This part fits 23 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015LexusRX350LowerCurved Radiator Hose
2015LexusRX450hLowerCurved Radiator Hose
2014LexusRX350LowerCurved Radiator Hose
2014LexusRX450hLowerCurved Radiator Hose
2013LexusRX350LowerCurved Radiator Hose
2013LexusRX450hLowerCurved Radiator Hose
2013SuzukiSX4LowerCurved Radiator Hose
2013ToyotaHighlander3.5LV6ELECTRIC/GASLowerCurved Radiator Hose
2012LexusRX350LowerCurved Radiator Hose
2012LexusRX450hLowerCurved Radiator Hose
2012SuzukiSX4LowerCurved Radiator Hose
2012SuzukiSX4 CrossoverLowerCurved Radiator Hose
2012ToyotaHighlander3.5LV6ELECTRIC/GASLowerCurved Radiator Hose
2011LexusRX350LowerCurved Radiator Hose
2011LexusRX450hLowerCurved Radiator Hose
2011SuzukiSX4LowerCurved Radiator Hose
2011ToyotaHighlander3.5LV6ELECTRIC/GASLowerCurved Radiator Hose
2010LexusRX350LowerCurved Radiator Hose
2010LexusRX450hLowerCurved Radiator Hose
2010SuzukiSX4LowerCurved Radiator Hose
2009SuzukiSX4LowerCurved Radiator Hose
2008SuzukiSX4LowerCurved Radiator Hose
2007SuzukiSX4LowerCurved 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:

20501S22691M

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