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Dayco 72144 Radiator Coolant Hose - Lower
Overview of Dayco Curved Radiator Hose 72144
The Dayco Curved Radiator Hose 72144 is designed specifically for cooling system applications in select INFINITI and Nissan vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures reliable performance and proper fitment for models like the INFINITI I35 and Nissan Maxima.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Black single inside diameter hose with 1 5/16 inch diameter on both ends
- Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Curved design tailored for precise fitment in INFINITI I35 and Nissan Maxima cooling systems
- Trunk height dimension of 13 29/64 inches for accurate installation
Dayco Curved Radiator Hose Product Line Details
The Curved Radiator Hose line by Dayco focuses on delivering hoses with specific bends and dimensions to match OEM requirements. This product line addresses the need for hoses that fit complex engine bay layouts without modification. The 72144 part number represents a single inside diameter hose designed to meet SAE standards, ensuring compatibility and durability in cooling system applications for INFINITI and Nissan vehicles.
Technical Description and Specifications
The Dayco 72144 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, making it a single i.d. hose suitable for specific radiator connections. The hose does not include a heat shield or protective sleeve, which is typical for this type of curved radiator hose. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The trunk height of 13 29/64 inches ensures the hose fits correctly within the engine compartment of the INFINITI I35 and Nissan Maxima models.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses in INFINITI I35 and Nissan Maxima
- Resolving coolant leaks caused by hose degradation or damage
- Addressing overheating issues related to compromised coolant flow
- Maintaining proper coolant system pressure and preventing hose collapse
- Ensuring OEM-spec fitment for reliable engine cooling performance
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 72144, ensure the engine is cool to avoid burns from hot coolant. Verify that the hose diameter matches the radiator and engine fittings exactly at 1 5/16 inches. Use appropriate clamps to secure the hose ends and check for any kinks or twists that could restrict coolant flow. Inspect surrounding components for wear or damage during installation to maintain overall cooling system integrity.
Quality Assurance and Warranty
Dayco manufactures the 72144 radiator coolant hose to meet stringent SAE specifications, ensuring consistent quality and durability. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in material and workmanship. Using this hose helps maintain the cooling system’s reliability in INFINITI I35 and Nissan Maxima vehicles.
| Brand | Dayco |
| Part Number | 72144 |
| Position | Curved Radiator Hose, Lower |
| Color | Black |
| 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 | 13 29/64 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | INFINITI | I35 | Lower | Curved Radiator Hose |
| 2003 | INFINITI | I35 | Lower | Curved Radiator Hose |
| 2003 | Nissan | Maxima | Lower | Curved Radiator Hose |
| 2002 | INFINITI | I35 | Lower | Curved Radiator Hose |
| 2002 | Nissan | Maxima | 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.