HomeBelts and Cooling > Hoses and PipesDayco 72375 Radiator Coolant Hose - Lower
Part #: 72375

Dayco 72375 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Lower
🚗Fitment: Chevrolet, GMC, Hummer, and Isuzu, Canyon, Colorado, H3, H3T, and i-370
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Durable Radiator Coolant Hose for Chevrolet and GMC Vehicles

The Dayco Curved Radiator Hose 72375 is engineered to provide reliable coolant flow for select Chevrolet, GMC, Hummer, and Isuzu models. Designed with quality EPDM material, this black single inside diameter hose ensures consistent performance under demanding engine conditions.

  • Constructed from durable EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • 1 1/2 inch inside diameter on both ends for uniform coolant flow
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Compatible with Chevrolet Canyon, Colorado, GMC Canyon, Hummer H3, H3T, and Isuzu i-370

About the Dayco Curved Radiator Hose Line

The Curved Radiator Hose line by Dayco 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 circulation and fitment without the need for modifications. The 72375 part is a single inside diameter hose designed to maintain consistent coolant flow in curved radiator connections.

Product Details and Specifications

This radiator coolant hose features a 1 1/2 inch inside diameter on both ends and an outside diameter of 1 7/8 inches, making it suitable for applications requiring uniform hose dimensions. The hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, which helps extend service life. It does not include a heat shield or protective sleeve, focusing on straightforward installation and function. The trunk height measures 17 inches, accommodating specific engine bay configurations.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Chevrolet Canyon and Colorado models
  • Addressing coolant leaks caused by hose degradation in GMC Canyon vehicles
  • Restoring proper coolant flow in Hummer H3 and H3T radiator systems
  • Maintaining cooling system integrity in Isuzu i-370 trucks
  • Preventing overheating issues related to faulty radiator hoses

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 1 1/2 inch inside diameter fittings on your vehicle. Use appropriate clamps to secure the hose and check for leaks after installation. The curved design of this hose allows for a direct fit without the need for bending or modification.

Quality Assurance and Warranty

Dayco manufactures this radiator coolant hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. While specific warranty details are not provided, Dayco products are generally backed by quality control processes to ensure durability and performance in automotive cooling systems.

BrandDayco
Part Number72375
PositionCurved Radiator Hose, Lower
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 1/2
End 2 Inside Diameter1 1/2
Contains Heat ShieldN
Contains Protective SleeveN
End 1 Outside Diameter1 7/8
End 2 Outside Diameter1 7/8
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height17

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012ChevroletColorado3.7LL5LowerCurved Radiator Hose
2012GMCCanyon3.7LL5LowerCurved Radiator Hose
2011ChevroletColorado3.7LL5LowerCurved Radiator Hose
2011GMCCanyon3.7LL5LowerCurved Radiator Hose
2010ChevroletColorado3.7LL5LowerCurved Radiator Hose
2010GMCCanyon3.7LL5LowerCurved Radiator Hose
2010HummerH33.7LL5LowerCurved Radiator Hose
2010HummerH3T3.7LL5LowerCurved Radiator Hose
2009ChevroletColorado3.7LL5LowerCurved Radiator Hose
2009GMCCanyon3.7LL5LowerCurved Radiator Hose
2009HummerH33.7LL5LowerCurved Radiator Hose
2009HummerH3T3.7LL5LowerCurved Radiator Hose
2008ChevroletColorado3.7LL5LowerCurved Radiator Hose
2008GMCCanyon3.7LL5LowerCurved Radiator Hose
2008HummerH33.7LL5LowerCurved Radiator Hose
2008Isuzui-370LowerCurved Radiator Hose
2007ChevroletColorado3.7LL5LowerCurved Radiator Hose
2007GMCCanyon3.7LL5LowerCurved Radiator Hose
2007HummerH3LowerCurved Radiator Hose
2007Isuzui-370LowerCurved 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:

24523L

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