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Dayco 72401 Radiator Coolant Hose - Upper
Overview of Dayco Curved Radiator Hose 72401
The Dayco Curved Radiator Hose 72401 is designed to provide reliable coolant flow for select GM vehicles. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose supports efficient engine cooling in Buick, Chevrolet, Pontiac, and Saturn models.
- Constructed from high-quality EPDM for heat and chemical resistance
- Black color with a protective sleeve for added durability
- Curved single inside diameter hose with 1 5/16 inch inside diameter ends
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Compatible with Buick Montana, Chevrolet Uplander, Pontiac Relay, and Saturn Terraza
Detailed Product Description
The Dayco Curved Radiator Hose 72401 is part of the Curved Radiator Hose product line, which focuses on delivering precise fitment and reliable performance for cooling system applications. This hose features a curved design to accommodate specific engine layouts, ensuring proper coolant flow without kinks or restrictions. Made from EPDM material, it offers resistance to heat, ozone, and coolant chemicals, extending the hose's service life. The inclusion of a protective sleeve enhances abrasion resistance, protecting the hose from wear caused by engine vibrations and contact with other components.
Compatible Vehicles and Applications
This radiator coolant hose is compatible with several General Motors vehicles, including Buick Montana, Chevrolet Uplander, Pontiac Relay, and Saturn Terraza. It is designed to replace original equipment hoses with matching inside and outside diameters of 1 5/16 inches and 1 11/16 inches respectively, ensuring a secure and leak-free connection.
- Replaces worn or cracked radiator hoses in Buick Montana and Chevrolet Uplander
- Restores proper coolant flow in Pontiac Relay and Saturn Terraza cooling systems
- Prevents coolant leaks caused by hose degradation or damage
- Helps maintain engine temperature stability by ensuring efficient coolant circulation
- Addresses issues related to hose swelling, cracking, or collapse
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 72401, ensure the engine is cool to avoid burns. Verify that the hose routing matches the original configuration to prevent kinks or interference with other engine components. Use appropriate clamps to secure both ends of the hose firmly. Inspect adjacent components for wear or damage during installation to maintain overall cooling system integrity.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 72401 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material and protective sleeve contribute to the hose's durability and resistance to heat and chemicals. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to support reliable performance in automotive cooling systems.
| Brand | Dayco |
|---|---|
| Part Number | 72401 |
| Position | Curved Radiator Hose, Upper |
| Color | Black |
| Contains Protective Sleeve | Y |
| End 1 Inside Diameter | 1 5/16 |
| End 1 Outside Diameter | 1 11/16 |
| End 2 Inside Diameter | 1 5/16 |
| End 2 Outside Diameter | 1 11/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 31 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Uplander | Upper | Curved Radiator Hose | ||
| 2009 | Pontiac | Montana | Upper | Curved Radiator Hose | ||
| 2008 | Chevrolet | Uplander | Upper | Curved Radiator Hose | ||
| 2008 | Pontiac | Montana | Upper | Curved Radiator Hose | ||
| 2007 | Buick | Terraza | Upper | Curved Radiator Hose | ||
| 2007 | Chevrolet | Uplander | Upper | Curved Radiator Hose | ||
| 2007 | Pontiac | Montana | Upper | Curved Radiator Hose | ||
| 2007 | Saturn | Relay | Upper | Curved Radiator Hose | ||
| 2006 | Buick | Terraza | 3.9L | V6 | Upper | Curved Radiator Hose |
| 2006 | Chevrolet | Uplander | 3.9L | V6 | Upper | Curved Radiator Hose |
| 2006 | Pontiac | Montana | 3.9L | V6 | Upper | Curved Radiator Hose |
| 2006 | Saturn | Relay | 3.9L | 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.