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Dayco 71059 Radiator Coolant Hose - Upper
| Brand | Dayco 71059 |
|---|---|
| Position | Upper |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 2 |
| End 2 Inside Diameter | 2 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 22 |
| Fits | — |
EPDM construction. Resists heat and coolant exposure for dependable hose performance.
Single I.D. hose. Provides a straightforward coolant flow path in a flexible design.
Curved hose design. Helps route coolant smoothly through the cooling system.
Cross-references ACDelco 26206X, CARQUEST 21936 and Duralast E71059 for the same application. See all 17.
Dayco 71059 Curved Radiator Hose
Dayco 71059 is a curved radiator coolant hose built for 2-inch connections and formed from EPDM for dependable coolant transfer in the engine cooling system. This black single I.D. hose follows the routing needed for a clean OE-style replacement on select Ford applications and related interchange references.
Key Features
- EPDM construction for coolant-system service
- Black finish for a factory-style appearance
- 2-inch inside diameter at both ends
- Single I.D. hose design for radiator coolant routing
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Curved hose shape for formed cooling-system fitment
Product Details
This Dayco curved radiator hose is part of the Curved Radiator Hose line and is engineered for vehicles that require a 2-inch radiator coolant hose with a formed bend. The EPDM rubber construction is selected for use in cooling-system environments, while the SAE specification listing provides a clear reference for material and performance standards. Dayco 71059 is a practical replacement choice when servicing Ford cooling-system layouts that call for this hose configuration.
Cross-reference part numbers include Gates 21306 and Motorcraft KM1128 for the same application. Dayco 71059 is also referenced by interchange listings such as ACDelco 26206X, CARQUEST 21936, and Duralast E71059.
What It Helps Address
- Coolant leaks from a cracked or aged radiator hose
- Softening, swelling, or collapse in an old coolant hose
- Improper hose routing caused by a misshaped replacement
- Cooling-system service on select Ford vehicles
- Replacement of a worn 2-inch curved radiator hose
Installation Notes and Tips
Verify the hose path, end diameters, and formed shape before installation. Match the 2-inch inside diameter at both ends to the vehicle’s radiator and engine connections, and inspect adjoining clamps and necks for wear or corrosion. Confirm clearance around nearby components so the curved hose seats without twisting or kinking.
Fits select Ford applications that use this hose profile and 2-inch coolant connections. For vehicle-specific confirmation, compare the original hose shape and part number before installation.
Quality Assurance
Dayco manufactures this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, giving buyers a clear standard for cooling-system replacement parts. The EPDM construction supports consistent service in radiator coolant applications.
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