HomeBelts and Cooling > Hoses and PipesDayco 72528 Radiator Coolant Hose - Lower or Upper
Part #: 72528

Dayco 72528 Radiator Coolant Hose - Lower or Upper

Curved Radiator Hose, Upper and Lower
27 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Curved Radiator Hose, Upper and Lower
Fitment: Lexus, Saturn, and Toyota, CT200h, Prius, Prius Plug-In, Prius V, and Vue
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 72528

The Dayco Curved Radiator Hose 72528 is designed to provide reliable coolant flow for select Lexus, Saturn, and Toyota vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Black single inside diameter hose with 1 5/16 inch ID on both ends
  • Outside diameter measures 1 23/32 inches on both ends for precise fit
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Compatible with Lexus CT200h, Saturn Vue, Toyota Prius, Prius Plug-In, and Prius V models

Detailed Product Description

This Dayco Curved Radiator Hose 72528 is a single inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. The hose features a consistent inside diameter of 1 5/16 inches on both ends, with an outside diameter of 1 23/32 inches, ensuring a secure and leak-free connection within the cooling system. It does not include a heat shield or protective sleeve, focusing on straightforward, durable construction.

The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, which define performance requirements for coolant hoses, including resistance to pressure, temperature, and coolant fluids. This makes it suitable for maintaining optimal engine temperature and preventing overheating in compatible vehicles.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line is designed to meet specific cooling system requirements where a curved hose shape is necessary for proper routing and fitment. This product line emphasizes precise dimensions and material quality to ensure compatibility and durability in various automotive applications. The 72528 part is a representative example, engineered to fit select Lexus, Saturn, and Toyota models with exacting standards.

Applications and Common Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Lexus CT200h and Toyota Prius models
  • Resolving coolant leaks caused by hose degradation or swelling
  • Preventing engine overheating due to compromised coolant flow
  • Maintaining proper coolant system pressure and temperature regulation
  • Addressing fitment issues in Saturn Vue cooling systems requiring a curved hose

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to avoid burns. Verify that the hose ends match the specified inside and outside diameters (1 5/16 inch ID, 1 23/32 inch OD) for a proper seal. Use appropriate clamps to secure the hose without over-tightening, which can damage the hose. Inspect adjacent components for wear or damage during installation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72528 to meet SAE specifications, ensuring reliable performance under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry standards for durability and quality. For best results, use this hose as a direct replacement in compatible Lexus, Saturn, and Toyota vehicles.

BrandDayco
Part Number72528
PositionCurved Radiator Hose, Upper and 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

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017LexusCT200hLowerCurved Radiator Hose
2017ToyotaPrius VLowerCurved Radiator Hose
2016LexusCT200hLowerCurved Radiator Hose
2016ToyotaPriusLowerCurved Radiator Hose
2016ToyotaPrius VLowerCurved Radiator Hose
2015LexusCT200hLowerCurved Radiator Hose
2015ToyotaPriusLowerCurved Radiator Hose
2015ToyotaPrius Plug-InLowerCurved Radiator Hose
2015ToyotaPrius VLowerCurved Radiator Hose
2014LexusCT200hLowerCurved Radiator Hose
2014ToyotaPriusLowerCurved Radiator Hose
2014ToyotaPrius Plug-InLowerCurved Radiator Hose
2014ToyotaPrius VLowerCurved Radiator Hose
2013LexusCT200hLowerCurved Radiator Hose
2013ToyotaPriusLowerCurved Radiator Hose
2013ToyotaPrius Plug-InLowerCurved Radiator Hose
2013ToyotaPrius VLowerCurved Radiator Hose
2012LexusCT200hLowerCurved Radiator Hose
2012ToyotaPriusLowerCurved Radiator Hose
2012ToyotaPrius Plug-InLowerCurved Radiator Hose
2012ToyotaPrius VLowerCurved Radiator Hose
2011LexusCT200hLowerCurved Radiator Hose
2011ToyotaPriusLowerCurved Radiator Hose
2010SaturnVue3.5LV6UpperCurved Radiator Hose
2010ToyotaPriusLowerCurved Radiator Hose
2009SaturnVue3.5LV6UpperCurved Radiator Hose
2008SaturnVue3.5LV6UpperCurved 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:

20539S20560S

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