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Dayco 72521 Radiator Coolant Hose - Upper
Overview of Dayco Curved Radiator Hose 72521
The Dayco Curved Radiator Hose 72521 is designed specifically for Volvo S40 and V40 models, providing reliable coolant flow management. Constructed from durable EPDM material, this branched radiator coolant hose ensures consistent performance under varying engine temperatures.
- Material: EPDM for heat and chemical resistance
- Color: Black
- Branched hose design with three connection points
- End 1 and End 2 inside diameter: 1 3/16 inches
- End 3 inside diameter: 3/8 inch
- Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
- Trunk height: 11 1/2 inches
Details on the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and branches to fit complex cooling system layouts. This product line is engineered to meet OEM specifications for fit and function, ensuring compatibility with targeted vehicle models like the Volvo S40 and V40. The 72521 part number represents a branched hose variant designed to maintain coolant flow efficiency in these applications.
Technical Description and Specifications
The Dayco 72521 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a branched design with three connection points: two ends with an inside diameter of 1 3/16 inches and a smaller branch end of 3/8 inch. The outside diameters correspond accordingly to ensure proper sealing and fitment. This hose does not include a heat shield or protective sleeve, focusing on core durability and fit. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for automotive coolant systems.
Compatible Vehicles and Common Applications
- Replacement radiator coolant hose for Volvo S40 models
- Replacement radiator coolant hose for Volvo V40 models
- Addresses coolant leaks caused by hose wear or cracking
- Resolves overheating issues related to coolant flow restrictions
- Prevents coolant contamination from degraded hose material
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 72521, ensure all connections are clean and free of debris. Verify the hose orientation matches the original to maintain proper coolant flow. Use appropriate clamps to secure each end firmly without over-tightening, which could damage the hose. Inspect the cooling system for any additional wear or damage during replacement.
Quality Assurance and Warranty
Dayco manufactures the 72521 radiator coolant hose to meet strict SAE standards, ensuring reliable performance in Volvo S40 and V40 cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and testing protocols to maintain durability and fitment accuracy.
| Brand | Dayco |
| Part Number | 72521 |
| Position | Curved Radiator Hose, Upper |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 3/16 |
| End 2 Inside Diameter | 1 3/16 |
| End 3 Inside Diameter | 3/8 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| End 1 Outside Diameter | 1 17/32 |
| End 2 Outside Diameter | 1 17/32 |
| End 3 Outside Diameter | 3/8 |
| Hose Type | Branched hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 11 1/2 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Volvo | S40 | 1.9L | L4 | Upper | Curved Radiator Hose |
| 2004 | Volvo | V40 | Upper | Curved Radiator Hose | ||
| 2003 | Volvo | S40 | Upper | Curved Radiator Hose | ||
| 2003 | Volvo | V40 | Upper | Curved Radiator Hose | ||
| 2002 | Volvo | S40 | 1.9L | L4 | Upper | Curved Radiator Hose |
| 2002 | Volvo | V40 | Upper | Curved Radiator Hose | ||
| 2001 | Volvo | S40 | 1.9L | L4 | Upper | Curved Radiator Hose |
| 2001 | Volvo | V40 | Upper | Curved Radiator Hose | ||
| 2000 | Volvo | S40 | 1.9L | L4 | Upper | Curved Radiator Hose |
| 2000 | Volvo | V40 | 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.