HomeBelts and Cooling > Hoses and PipesDayco 72207 Radiator Coolant Hose - Upper
Part #: 72207

Dayco 72207 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Upper
🚗Fitment: Suzuki, INFINITI, and Nissan, SX4, SX4 Crossover, G35, and 350Z
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 72207

The Dayco Curved Radiator Hose 72207 is designed for reliable cooling system performance in select Infiniti, Nissan, and Suzuki vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for models like the Infiniti G35, Nissan 350Z, and Suzuki SX4.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • Single inside diameter hose with 1 5/16 inch ends on both sides
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 9.5 inches for proper routing in engine bays

Detailed Product Description

The Dayco Curved Radiator Hose 72207 is a single inside diameter hose crafted from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 5/16 inches, ensuring a secure connection to the radiator and engine components. This hose does not include a heat shield or protective sleeve, focusing on a straightforward, durable design. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling systems.

The Curved Radiator Hose product line by Dayco is tailored to provide precise fitment and reliable performance in cooling applications. This line emphasizes hoses that accommodate specific engine bay layouts, such as the curved design of part number 72207, which supports proper coolant flow and installation ease in compatible vehicles.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with the following makes and models:

  • Infiniti G35
  • Nissan 350Z
  • Suzuki SX4 and SX4 Crossover

It is designed to replace worn or damaged radiator hoses in these vehicles, maintaining optimal engine temperature regulation.

Common Issues Addressed by This Radiator Hose

  • Coolant leaks caused by cracked or brittle hoses
  • Overheating due to restricted or collapsed hoses
  • Swelling or softening from chemical degradation
  • Improper fitment leading to coolant loss
  • Hose failure from heat exposure and aging

Installation Notes and Tips

  • Ensure the engine is cool before removing the old hose
  • Check hose clamps and replace if corroded or damaged
  • Verify the hose routing matches the original to avoid kinks
  • Lubricate hose ends with coolant or water for easier installation
  • Tighten clamps securely but avoid over-tightening to prevent hose damage

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72207 to meet industry SAE standards, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to support reliable automotive cooling system operation.

BrandDayco
Part Number72207
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 5/16
End 2 Inside Diameter1 5/16
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height9.5

This part fits 14 vehicles. Search below:

YearMakeModelSubmodelBody TypePositionNotes
2013SuzukiSX4UpperCurved Radiator Hose
2012SuzukiSX4UpperCurved Radiator Hose
2012SuzukiSX4 CrossoverUpperCurved Radiator Hose
2011SuzukiSX4UpperCurved Radiator Hose
2010SuzukiSX4UpperCurved Radiator Hose
2007INFINITIG35BaseCoupeUpperCurved Radiator Hose
2006INFINITIG35UpperCurved Radiator Hose
2006Nissan350ZUpperCurved Radiator Hose
2005INFINITIG35UpperCurved Radiator Hose
2005Nissan350ZUpperCurved Radiator Hose
2004INFINITIG35UpperCurved Radiator Hose
2004Nissan350ZUpperCurved Radiator Hose
2003INFINITIG35UpperCurved Radiator Hose
2003Nissan350ZUpperCurved 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:

20432S

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