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Dayco 72594 Radiator Coolant Hose - Upper
Durable Radiator Coolant Hose for Chevrolet and GMC Vehicles
The Dayco Curved Radiator Hose 72594 is engineered to provide reliable coolant flow for Chevrolet Express 1500, Express 2500, GMC Savana 1500, and Savana 2500 models. Constructed from EPDM material, this black single inside diameter hose offers durability and resistance to heat and chemicals.
- Made from high-quality EPDM for heat and chemical resistance
- Black color with a protective sleeve for added durability
- Single inside diameter hose with 1 5/16 inch diameter on both ends
- Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 29 1/2 inches for precise fitment
About the Dayco Curved Radiator Hose Product Line
The Curved Radiator Hose line by Dayco is designed to meet specific cooling system requirements with precision-engineered bends and durable materials. This product line focuses on providing hoses that maintain coolant flow integrity while fitting tightly within engine compartments, reducing the risk of leaks and premature wear. The 72594 part exemplifies these qualities with its EPDM construction and protective sleeve.
Product Details and Specifications
This radiator coolant hose features a consistent inside diameter of 1 5/16 inches on both ends, ensuring compatibility with the cooling systems of Chevrolet Express 1500, Express 2500, GMC Savana 1500, and Savana 2500 vehicles. The EPDM material offers excellent resistance to heat, ozone, and coolant chemicals, while the protective sleeve enhances durability against abrasion. Although it does not include a heat shield, the hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling applications.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses
- Prevention of coolant leaks due to hose degradation
- Maintaining proper coolant flow in Chevrolet Express and GMC Savana models
- Addressing overheating issues caused by faulty hoses
- Ensuring secure hose fitment with correct trunk height and diameter
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 72594, ensure the hose is properly seated on the radiator and engine fittings with clamps tightened to manufacturer specifications. Inspect the cooling system for any signs of wear or damage before installation. The protective sleeve should be positioned to minimize abrasion against surrounding components. No heat shield is included, so take care to route the hose away from excessive heat sources.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 72594 to meet stringent SAE specifications, ensuring reliable performance in demanding automotive environments. The EPDM material and protective sleeve contribute to the hose's longevity. Warranty details are provided by Dayco and should be confirmed at the time of purchase.
| Brand | Dayco |
| Part Number | 72594 |
| Position | Curved Radiator Hose, Upper |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 5/16 |
| End 2 Inside Diameter | 1 5/16 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | Y |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 29 1/2 |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2014 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2013 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2013 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2012 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2012 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2011 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2011 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2010 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2010 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2009 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2009 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2008 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2008 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2007 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2007 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2006 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2006 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2005 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2005 | Chevrolet | Express 2500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2005 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2005 | GMC | Savana 2500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2004 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2004 | Chevrolet | Express 2500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2004 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2004 | GMC | Savana 2500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2003 | Chevrolet | Express 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2003 | Chevrolet | Express 2500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2003 | GMC | Savana 1500 | 4.3L | V6 | Upper | Curved Radiator Hose |
| 2003 | GMC | Savana 2500 | 4.3L | V6 | Upper | 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.