Dayco 72388 Radiator Coolant Hose - Lower - Tee To Reservoir
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Dayco
 Curved Radiator Hose

Dayco 72388 Radiator Coolant Hose - Lower - Tee To Reservoir

Brand Dayco 72388
Position Lower - Tee To Reservoir
Color Black
End 1 Inside Diameter 3/4
End 1 Outside Diameter 1 1/8
End 2 Inside Diameter 1
End 2 Outside Diameter 1 3/8
Hose Type Dual I.D. Hose
Material EPDM
SAE Specification SAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height 23
Product line Curved Radiator Hose
Fits Ford, Mercury, and Lincoln · 9 vehicles

Curved hose design. Helps route coolant smoothly through the cooling system.

EPDM construction. Offers durable, heat-resistant performance in black.

Dual I.D. hose. Features different inside diameters at each end.

Cross-references Duralast E72388, Ford 6E5Z-8075-B and Ford 6E5Z-8075-BA for the same application. See all 6.

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Dayco 72388 Curved Radiator Hose Overview

Dayco 72388 is a curved radiator coolant hose built for the lower tee-to-reservoir routing on select Ford, Mercury, and Lincoln vehicles. This dual I.D. hose uses EPDM construction and follows the OE-style path needed for proper coolant transfer in the engine cooling system.

Compatible With 2006-2009 Ford Fusion, lower - tee to reservoir; 2006-2009 Mercury Milan, lower - tee to reservoir; and 2006 Lincoln Zephyr, lower - tee to reservoir. The Dayco Curved Radiator Hose line is engineered for vehicle-specific cooling system routing where a formed hose shape is required.

Key Features

  • Brand: Dayco
  • Part number: 72388
  • Curved radiator coolant hose for lower tee-to-reservoir routing
  • EPDM rubber construction for cooling system service
  • Black finish
  • Dual I.D. hose design
  • End 1 inside diameter: 3/4 in.
  • End 2 inside diameter: 1 in.
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications

Product Details

Dayco 72388 is a formed radiator hose designed to match the cooling system layout used on the Ford Fusion, Mercury Milan, and Lincoln Zephyr applications listed above. Its dual inside diameter design supports the transition between different hose connections in the coolant circuit, while the EPDM material is selected for use in engine cooling environments. If you are searching for a Dayco 72388 radiator hose for a 2006-2009 Ford Fusion or a 2006-2009 Mercury Milan, this part matches the specified lower tee-to-reservoir position.

This part cross-references Duralast E72388 for the same application.

Common Issues This Hose Can Address

  • Cracked or split coolant hose material
  • Coolant leaks at the lower tee-to-reservoir routing
  • Softening or deterioration from heat and age
  • Incorrect hose shape or diameter at the connection points
  • Restricted coolant flow caused by a damaged hose

Installation Notes and Tips

Verify the vehicle year, make, model, and lower tee-to-reservoir routing before installation. Compare the hose shape and end diameters to the removed part to confirm proper routing on the Ford Fusion, Mercury Milan, or Lincoln Zephyr application. Inspect adjoining clamps, tees, and reservoir connections for wear before reassembly.

Quality Assurance

Dayco 72388 is built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for radiator coolant hose service. The EPDM construction and OE-style formed shape support consistent fitment in the listed cooling system applications.

Related reading

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009FordFusion3.0LV6Lower - Tee To ReservoirCurved Radiator Hose
2009MercuryMilan3.0LV6Lower - Tee To ReservoirCurved Radiator Hose
2008FordFusion3.0LV6Lower - Tee To ReservoirCurved Radiator Hose
2008MercuryMilan3.0LV6Lower - Tee To ReservoirCurved Radiator Hose
2007FordFusion3.0LV6Lower - Tee To ReservoirCurved Radiator Hose
2007MercuryMilan3.0LV6Lower - Tee To ReservoirCurved Radiator Hose
2006FordFusion3.0LV6Lower - Tee To ReservoirCurved Radiator Hose
2006LincolnZephyr——Lower - Tee To ReservoirCurved Radiator Hose
2006MercuryMilan3.0LV6Lower - Tee To ReservoirCurved Radiator Hose
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Duralast — E72388Ford — 6E5Z-8075-BFord — 6E5Z-8075-BAFord — 6E53-8C351-BEMotorcraft — KM4891Motorcraft — KM4930