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Dayco 72677 Radiator Coolant Hose - Upper
Overview of Dayco Curved Radiator Hose 72677
The Dayco Curved Radiator Hose 72677 is designed specifically for Nissan Equator and Suzuki Frontier models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance under typical engine cooling system conditions.
- Material: EPDM for heat and chemical resistance
- Color: Black
- End 1 and End 2 Inside Diameter: 1 11/32 inches
- End 1 and End 2 Outside Diameter: 1 23/32 inches
- Hose Type: Single inside diameter hose
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk Height: 15 inches
- Does not include heat shield or protective sleeve
Detailed Product Description
The Dayco Curved Radiator Hose 72677 is engineered to meet the cooling system requirements of Nissan Equator and Suzuki Frontier vehicles. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity and prevents premature failure. Both ends of the hose have an inside diameter of 1 11/32 inches and an outside diameter of 1 23/32 inches, ensuring a precise fit for the intended applications. This single inside diameter hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The hose length, or trunk height, is 15 inches, providing the necessary reach for proper installation in the specified vehicle models.
Applications and Common Issues Addressed
- Replacement of worn or cracked radiator coolant hoses in Nissan Equator and Suzuki Frontier
- Prevention of coolant leaks caused by hose degradation
- Restoration of proper coolant flow to maintain engine temperature regulation
- Elimination of overheating issues related to faulty radiator hoses
- Addressing hose swelling or softening due to chemical exposure or heat
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 72677, ensure the engine is cool to avoid burns or injury. Verify that the hose diameters match the vehicle’s radiator and engine fittings. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect adjacent components for wear or damage during installation. Avoid twisting or stretching the hose to maintain its structural integrity and ensure a proper seal.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 72677 to meet stringent SAE specifications, ensuring consistent quality and durability. The EPDM material and construction standards provide reliable performance in automotive cooling systems. Warranty details should be confirmed with the original equipment manufacturer or distributor, as they may vary by region or purchase source.
| Brand | Dayco |
| Part Number | 72677 |
| Position | Curved Radiator Hose, Upper |
| Color | Black |
| End 1 Inside Diameter | 1 11/32 |
| End 1 Outside Diameter | 1 23/32 |
| End 2 Inside Diameter | 1 11/32 |
| End 2 Outside Diameter | 1 23/32 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 15 |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2018 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2017 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2016 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2015 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2014 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2013 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2012 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2012 | Suzuki | Equator | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2011 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2011 | Suzuki | Equator | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2010 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2010 | Suzuki | Equator | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2009 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2009 | Suzuki | Equator | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2008 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2007 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2006 | Nissan | Frontier | 2.5L | L4 | Upper | Curved Radiator Hose |
| 2005 | Nissan | Frontier | 2.5L | L4 | 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.