HomeBelts and Cooling > Hoses and PipesDayco 72993 Radiator Coolant Hose - Lower
Part #: 72993

Dayco 72993 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Lower
🚗Fitment: INFINITI, Q50
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 72993

The Dayco Curved Radiator Hose 72993 is designed specifically for the Infiniti Q50, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this black radiator coolant hose ensures long-lasting performance under demanding conditions.

  • 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 5/16 inches on both ends
  • Outside diameters measure 1 23/32 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 radiator coolant systems
  • Compatible with Infiniti Q50 models

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to fit specific vehicle cooling systems. This product line emphasizes durability and fitment accuracy, reducing the risk of leaks and coolant loss. The 72993 part number is part of this line, engineered to meet OEM standards for the Infiniti Q50 radiator system.

Technical Description and Attributes

The Dayco 72993 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a protective sleeve to guard against abrasion and premature wear, although it does not include a heat shield. Both ends of the hose have an inside diameter of 1 5/16 inches and an outside diameter of 1 23/32 inches, ensuring a secure connection to the radiator and engine fittings. The hose meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses on Infiniti Q50 vehicles
  • Prevention of coolant leaks that can cause engine overheating
  • Restoration of proper coolant flow in curved radiator hose sections
  • Addressing hose swelling or softening due to heat exposure
  • Ensuring compatibility with OEM cooling system specifications

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72993, ensure the hose is properly seated on the radiator and engine fittings with clamps tightened to manufacturer specifications. Inspect the protective sleeve for any damage before installation. Avoid twisting or stretching the hose excessively to maintain its integrity and fit. It is recommended to replace any associated clamps or hardware if worn or corroded to ensure a secure seal.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72993 to meet strict SAE specifications, ensuring reliable performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and durability. Using this hose helps maintain the cooling system integrity of your Infiniti Q50.

BrandDayco
Part Number72993
PositionCurved Radiator Hose, Lower
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 5/16
End 2 Inside Diameter1 5/16
Contains Heat ShieldN
Contains Protective SleeveY
End 1 Outside Diameter1 23/32
End 2 Outside Diameter1 23/32
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height20

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015INFINITIQ503.7LV6LowerCurved Radiator Hose
2014INFINITIQ503.7LV6LowerCurved Radiator Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.