HomeBelts and Cooling > Hoses and PipesDayco 72638 Radiator Coolant Hose - Lower - Pipe To Engine
Part #: 72638

Dayco 72638 Radiator Coolant Hose - Lower - Pipe To Engine

Curved Radiator Hose, Lower - Pipe To Engine
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Lower - Pipe To Engine
🚗Fitment: Ford, F-250 Super Duty and F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Curved Radiator Hose 72638

The Dayco Curved Radiator Hose 72638 is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose ensures reliable performance in demanding cooling system applications.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • End 1 inside diameter: 1 3/4 inches; End 2 inside diameter: 1 13/16 inches
  • Includes a protective sleeve for added durability
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type with 24-inch trunk height

Detailed Product Description

The Dayco Curved Radiator Hose line is engineered to provide reliable coolant flow and maintain system integrity under high temperature and pressure conditions. Part number 72638 features EPDM construction, which offers excellent resistance to heat, ozone, and coolant chemicals commonly found in Ford F-250 Super Duty and F-350 Super Duty vehicles. The hose’s curved design and precise inside diameters (1 3/4 inches and 1 13/16 inches) ensure a secure fit and proper coolant circulation. Additionally, the protective sleeve enhances abrasion resistance, extending the hose’s service life. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for heavy-duty cooling system applications.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Ford F-250 Super Duty and F-350 Super Duty trucks
  • Prevention of coolant leaks caused by hose degradation or damage
  • Maintaining optimal engine temperature by ensuring proper coolant flow
  • Addressing hose failures due to abrasion or environmental exposure
  • Upgrading to a hose with protective sleeve for enhanced durability

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72638, ensure the engine is cool to avoid burns or injury. Verify the hose orientation matches the curved design for proper fitment. Inspect hose clamps and replace if necessary to secure the hose ends tightly. Check for any signs of coolant leaks after installation and during initial engine operation. Proper installation will help maintain the cooling system’s efficiency and prevent premature hose failure.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72638 to meet stringent SAE specifications, including J20R4 Class D-1 and J1684 Type EC, ensuring consistent quality and performance. The use of EPDM material and protective sleeve contributes to the hose’s durability in demanding conditions. While specific warranty details are not provided, Dayco products typically adhere to industry standards for reliability and are backed by the brand’s commitment to quality.

BrandDayco
Part Number72638
PositionCurved Radiator Hose, Lower - Pipe To Engine
ColorBlack
Contains Protective SleeveY
End 1 Inside Diameter1 3/4
End 2 Inside Diameter1 13/16
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height24

This part fits 6 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2010FordF-250 Super DutyAutomatic5.4LV8Lower - Pipe To Enginew/Quick Connect; Curved Radiator Hose
2010FordF-350 Super DutyAutomatic5.4LV8Lower - Pipe To Enginew/Quick Connect; Curved Radiator Hose
2009FordF-250 Super DutyAutomatic5.4LV8Lower - Pipe To Enginew/Quick Connect; Curved Radiator Hose
2009FordF-350 Super DutyAutomatic5.4LV8Lower - Pipe To Enginew/Quick Connect; Curved Radiator Hose
2008FordF-250 Super DutyAutomatic5.4LV8Lower - Pipe To Enginew/Quick Connect; Curved Radiator Hose
2008FordF-350 Super DutyAutomatic5.4LV8Lower - Pipe To Enginew/Quick Connect; 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:

E72638

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