HomeBelts and Cooling > Hoses and PipesDayco 72144 Radiator Coolant Hose - Lower
Part #: 72144

Dayco 72144 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Lower
🚗Fitment: INFINITI and Nissan, I35 and Maxima
🔄Easy Returns — Return within 60 days for a full refund
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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.

BrandDayco
Part Number72144
PositionCurved Radiator Hose, Lower
ColorBlack
End 1 Inside Diameter1 5/16
End 2 Inside Diameter1 5/16
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height13 29/64

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2004INFINITII35LowerCurved Radiator Hose
2003INFINITII35LowerCurved Radiator Hose
2003NissanMaximaLowerCurved Radiator Hose
2002INFINITII35LowerCurved Radiator Hose
2002NissanMaximaLowerCurved 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:

24539L

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.