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Dayco 72548 Radiator Coolant Hose - Lower
Overview of Dayco Curved Radiator Hose 72548
The Dayco Curved Radiator Hose 72548 is designed specifically for Toyota 4Runner models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under demanding conditions.
- Material: EPDM for heat and chemical resistance
- Color: Black
- End 1 and End 2 Inside Diameter: 1 5/16 inches
- End 1 and End 2 Outside Diameter: 1 21/32 inches
- Hose Type: Single inside diameter hose
- Meets SAE specifications SAE J20R4 Class D-1 and SAE J1684 Type EC
- Trunk Height: 20 1/2 inches
- Compatible with Toyota 4Runner models
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to fit specific vehicle cooling systems. This product line emphasizes durability and compliance with SAE standards, ensuring proper coolant flow and fitment. The 72548 part is a single inside diameter hose designed to meet the exact specifications required for Toyota 4Runner radiator connections.
Detailed Product Description
The Dayco 72548 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 5/16 inches and an outside diameter of 1 21/32 inches, making it suitable for precise radiator connections. This hose does not include a heat shield or protective sleeve, focusing on a straightforward, reliable design. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator hoses on Toyota 4Runner vehicles
- Prevention of coolant leaks due to hose degradation
- Maintaining proper engine temperature by ensuring coolant flow
- Resolving overheating issues caused by faulty radiator hoses
- Addressing hose swelling or softening from heat exposure
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 72548, ensure the engine is cool to avoid burns. Verify that the hose dimensions match the radiator and engine fittings on your Toyota 4Runner. Use appropriate clamps to secure the hose ends and check for leaks after installation. Avoid twisting or stretching the hose during installation to maintain its integrity and fit.
Quality Assurance and Warranty
Dayco manufactures the 72548 radiator hose to meet strict SAE standards, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to reliable automotive components.
| Brand | Dayco |
| Part Number | 72548 |
| Position | Curved Radiator Hose, Lower |
| Color | Black |
| End 1 Inside Diameter | 1 5/16 |
| End 1 Outside Diameter | 1 21/32 |
| End 2 Inside Diameter | 1 5/16 |
| End 2 Outside Diameter | 1 21/32 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 20 1/2 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2020 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2019 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2018 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2017 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2016 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2015 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2014 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2013 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2012 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2011 | Toyota | 4Runner | Lower | Curved Radiator Hose | ||
| 2010 | Toyota | 4Runner | 4.0L | V6 | 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.