OE Quality
60-Day Returns

Dayco 72779 Radiator Coolant Hose - Lower
Overview of Dayco Curved Radiator Hose 72779
The Dayco Curved Radiator Hose 72779 is designed specifically for Nissan Sentra models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures long-lasting performance under demanding conditions.
Key Features of Dayco Radiator Coolant Hose 72779
- Made from high-quality EPDM material for heat and chemical resistance
- Black color with a protective sleeve for added durability
- Curved design with equal inside diameters of 1 11/32 inches on both ends
- Outside diameter measures 1 3/4 inches on both ends for precise fit
- Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Single inside diameter hose type suitable for consistent coolant flow
- Trunk height of 25 1/2 inches for proper routing in engine bay
Detailed Description of the Curved Radiator Hose
The Dayco Curved Radiator Hose line is engineered to meet the specific cooling system requirements of Nissan Sentra vehicles. This hose features a curved design that facilitates optimal coolant circulation while fitting seamlessly within the engine compartment. The EPDM construction offers resistance to heat, ozone, and coolant chemicals, ensuring durability and preventing premature failure. Additionally, the hose includes a protective sleeve to guard against abrasion and external damage, although it does not contain a heat shield. Both ends of the hose have matching inside and outside diameters, allowing for a secure and leak-free connection to the radiator and engine fittings.
Applications and Common Issues Addressed
- Replacement of worn or cracked radiator coolant hoses in Nissan Sentra models
- Prevention of coolant leaks that can lead to engine overheating
- Restoration of proper coolant flow to maintain engine temperature regulation
- Addressing hose swelling or softening caused by heat exposure
- Ensuring compatibility with OEM cooling system specifications
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 72779, ensure the hose is routed correctly to avoid kinks or sharp bends that could restrict coolant flow. Verify that the hose ends fit securely onto the radiator and engine fittings with appropriate clamps. Inspect the protective sleeve for any damage before installation, and replace clamps if they show signs of wear. It is recommended to drain the cooling system before removal and refill with the correct coolant type after installation.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 72779 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry cooling system requirements. The EPDM material and protective sleeve contribute to the hose's durability and resistance to environmental factors. Warranty information is subject to Dayco's standard terms and conditions; please refer to the manufacturer for specific coverage details.
| Brand | Dayco |
| Part Number | 72779 |
| Position | Curved Radiator Hose, Lower |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 11/32 |
| End 2 Inside Diameter | 1 11/32 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | Y |
| End 1 Outside Diameter | 1 3/4 |
| End 2 Outside Diameter | 1 3/4 |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 25 1/2 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Nissan | Sentra | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2018 | Nissan | Sentra | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2017 | Nissan | Sentra | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2016 | Nissan | Sentra | Lower | Curved Radiator Hose | ||
| 2015 | Nissan | Sentra | Lower | Curved Radiator Hose | ||
| 2014 | Nissan | Sentra | Lower | Curved Radiator Hose | ||
| 2013 | Nissan | Sentra | Lower | Curved Radiator Hose |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.