Dayco
Curved Radiator Hose

Dayco 71653 Radiator Coolant Hose - Upper

Brand Dayco 71653
Position Upper
Color Black
Contains Protective Sleeve Y
End 1 Inside Diameter 1 13/32
End 2 Inside Diameter 15/32
Hose Type Dual I.D. Hose
Material EPDM
SAE Specification SAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height 14
Product line Curved Radiator Hose
Fits Ford · 7 vehicles

Curved hose design. Routes coolant with a smooth, compact shape.

EPDM construction. Resists heat and coolant exposure for dependable service.

Protective sleeve included. Adds extra abrasion protection where the hose runs.

Cross-references ACDelco 24248L, CARQUEST 21834 and Duralast D71653 for the same application. See all 17.

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Dayco 71653 Curved Radiator Hose

The Dayco 71653 curved radiator hose is a replacement coolant hose built for specific Ford Aerostar upper radiator applications. Made from EPDM with a black finish, it uses a dual I.D. hose design and includes a protective sleeve for added abrasion resistance in the engine bay.

Compatible with 1989-1995 Ford Aerostar upper radiator hose applications, this part supports coolant transfer in vehicles that need a curved hose profile and dual inside diameters. If you are replacing a worn Ford Aerostar upper hose, Dayco 71653 provides a direct-fit service part for the listed applications.

Key Features

  • EPDM construction for coolant hose service
  • Black finish for OE-style appearance
  • Dual I.D. hose design with 1 13/32 in. end 1 inside diameter and 15/32 in. end 2 inside diameter
  • Includes a protective sleeve
  • Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Curved radiator hose profile for upper hose routing

Detailed Description

Dayco Curved Radiator Hose 71653 is engineered for upper radiator hose routing on select Ford Aerostar models. The EPDM rubber construction is suited for coolant system service, while the curved shape and dual I.D. configuration help match the factory hose path and connection sizes used in the application. This part cross-references Motorcraft (e.g., KM1867, KM2079) for the same application.

Fits 1989 Ford Aerostar, upper. Fits 1990-1995 Ford Aerostar, upper. Dayco 71653 is also referenced by aftermarket and OE numbers including ACDelco 24248L, Gates 21834, and NAPA 8524.

Common Replacement Issues

  • Cracked or hardened upper radiator hose material
  • Coolant leaks at the hose body or connection points
  • Incorrect hose shape after prior replacement
  • Heat-related wear on exposed hose sections
  • Loss of proper coolant flow through the upper hose circuit

Installation Notes and Tips

Verify the hose routing, end diameters, and upper position before installation. Inspect the radiator neck and engine-side connection for corrosion, residue, or damage, and replace clamps if they do not secure the hose properly. Confirm fitment against the listed Ford Aerostar years and upper hose application before service.

Quality Assurance

Dayco manufactures this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC requirements, supporting consistent coolant hose performance for the specified Ford Aerostar applications.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1995FordAerostar3.0LV6UpperCurved Radiator Hose
1994FordAerostar3.0LV6UpperCurved Radiator Hose
1993FordAerostar3.0LV6UpperCurved Radiator Hose
1992FordAerostar3.0LV6UpperCurved Radiator Hose
1991FordAerostar3.0LV6UpperCurved Radiator Hose
1990FordAerostar3.0LV6UpperCurved Radiator Hose
1989FordAerostar——UpperLate; Curved Radiator Hose
Directly replaces or cross-references 17 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 24248LCARQUEST — 21834Duralast — D71653Ford — E99A-8B274-DAFord — E99Z-8260-AFord — F19A-8B274-JAFord — F19Z-8260-AFord — F39A-8B274-JAFord — F39Z-8260-AFreshstart — 457Gates — 21834Goodyear — 61597MasterPro — 21834Motorcraft — KM1867Motorcraft — KM2079Motorcraft — KM2409NAPA — 8524