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Dayco 72111 Radiator Coolant Hose - Lower - Pipe To Radiator or Upper
Overview of Dayco Curved Radiator Hose 72111
The Dayco Curved Radiator Hose 72111 is designed for reliable coolant flow in select Infiniti, Nissan, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.
- Constructed from EPDM for heat and chemical resistance
- Black color with a protective sleeve for added durability
- Single inside diameter hose with 1 5/16 inch ends
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Compatible with Infiniti QX4, Nissan Pathfinder, and Pontiac G8 models
Detailed Product Description
This Dayco Curved Radiator Hose 72111 is a single inside diameter hose featuring a consistent 1 5/16 inch inside diameter on both ends, designed to maintain proper coolant flow and pressure. The hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, which helps extend the hose's service life. The black hose includes a protective sleeve to guard against abrasion and external damage, although it does not contain a heat shield. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for radiator coolant hoses.
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and curves to fit specific engine layouts without compromising coolant flow. This product line is engineered to accommodate the routing needs of various vehicle models, including the Infiniti QX4, Nissan Pathfinder, and Pontiac G8, ensuring a proper fit and reliable performance in cooling systems.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses
- Prevention of coolant leaks due to hose degradation
- Maintaining proper coolant circulation to avoid engine overheating
- Addressing hose swelling or softening from heat exposure
- Ensuring compatibility with specific vehicle coolant system layouts
Installation Notes and Tips
- Verify hose dimensions and fitment with your vehicle model before installation
- Inspect hose clamps and replace if necessary to ensure a secure seal
- Drain coolant system prior to hose removal to prevent spills
- Check for any signs of damage on adjacent components during installation
- Ensure the protective sleeve is properly positioned to prevent abrasion
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 72111 to meet SAE specifications, providing assurance of material quality and performance standards. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls to support durability and reliability in automotive cooling systems.
| Brand | Dayco |
|---|---|
| Part Number | 72111 |
| Position | Curved Radiator Hose, Upper |
| Color | Black |
| Contains Protective Sleeve | Y |
| End 1 Inside Diameter | 1 5/16 |
| End 2 Inside Diameter | 1 5/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 20 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Pontiac | G8 | 6.0L | V8 | Upper | Curved Radiator Hose |
| 2009 | Pontiac | G8 | 6.2L | V8 | Upper | Curved Radiator Hose |
| 2008 | Pontiac | G8 | 6.0L | V8 | Upper | Curved Radiator Hose |
| 2004 | Nissan | Pathfinder | Lower - Pipe To Radiator | Curved Radiator Hose | ||
| 2003 | INFINITI | QX4 | Lower - Pipe To Radiator | Curved Radiator Hose | ||
| 2003 | Nissan | Pathfinder | Lower - Pipe To Radiator | Curved Radiator Hose | ||
| 2002 | INFINITI | QX4 | Lower - Pipe To Radiator | Curved Radiator Hose | ||
| 2002 | Nissan | Pathfinder | Lower - Pipe To Radiator | Curved Radiator Hose | ||
| 2001 | INFINITI | QX4 | Lower - Pipe To Radiator | Curved Radiator Hose | ||
| 2001 | Nissan | Pathfinder | Lower - Pipe To Radiator | 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.