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Dayco 72375 Radiator Coolant Hose - Lower
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.
| Brand | Dayco |
| Part Number | 72375 |
| Position | Curved Radiator Hose, Lower |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 1/2 |
| End 2 Inside Diameter | 1 1/2 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| End 1 Outside Diameter | 1 7/8 |
| End 2 Outside Diameter | 1 7/8 |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 17 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Chevrolet | Colorado | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2012 | GMC | Canyon | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2011 | Chevrolet | Colorado | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2011 | GMC | Canyon | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2010 | Chevrolet | Colorado | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2010 | GMC | Canyon | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2010 | Hummer | H3 | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2010 | Hummer | H3T | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2009 | Chevrolet | Colorado | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2009 | GMC | Canyon | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2009 | Hummer | H3 | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2009 | Hummer | H3T | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2008 | Chevrolet | Colorado | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2008 | GMC | Canyon | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2008 | Hummer | H3 | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2008 | Isuzu | i-370 | Lower | Curved Radiator Hose | ||
| 2007 | Chevrolet | Colorado | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2007 | GMC | Canyon | 3.7L | L5 | Lower | Curved Radiator Hose |
| 2007 | Hummer | H3 | Lower | Curved Radiator Hose | ||
| 2007 | Isuzu | i-370 | Lower | Curved 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.