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Dayco 72259 Radiator Coolant Hose - Lower
| Brand | Dayco 72259 |
|---|---|
| Position | Lower |
| Color | Black |
| End 1 Inside Diameter | 1 1/2 |
| End 1 Outside Diameter | 1 27/32 |
| End 2 Inside Diameter | 1 3/4 |
| End 2 Outside Diameter | 1 3/16 |
| End 3 Inside Diameter | 1 |
| End 3 Outside Diameter | 1 21/64 |
| Hose Type | Branched Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 22 |
| Product line | Curved Radiator Hose |
| Fits | Ford · 4 vehicles |
Curved hose design. Routes coolant smoothly through a branched radiator hose layout.
EPDM construction. Resists heat and coolant exposure for dependable service.
SAE compliant. Built to meet SAE J20R4 Class D-1 and SAE J1684 Type EC.
Cross-references ACDelco 26574X, CARQUEST 23267 and Duralast E72259 for the same application. See all 8.
Dayco 72259 Curved Radiator Hose for Ford F-150
Dayco 72259 is a branched radiator coolant hose built for the cooling system on select 2005-2008 Ford F-150 trucks. It uses EPDM construction and a black finish to handle coolant flow in a lower hose application with multiple connection sizes.
Key Features
- EPDM radiator coolant hose material for cooling system service
- Branched hose design for the lower radiator hose routing
- End inside diameters: 1 1/2 in., 1 3/4 in., and 1 in.
- Black exterior finish
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Direct fitment for 2005-2008 Ford F-150, lower
Product Details
The Dayco Curved Radiator Hose line is engineered for formed cooling-system routing where a straight hose will not match the vehicle layout. Part number 72259 follows the curved, branched shape needed for the lower radiator hose on the 2005-2008 Ford F-150, helping maintain proper coolant transfer between connected components. This hose cross-references Ford 5L34-8B273-AE and Gates 23267 for the same application.
With EPDM rubber construction, Dayco 72259 is specified for coolant service and built to meet SAE J20R4 Class D-1 and SAE J1684 Type EC requirements. The molded branched design and multiple end diameters support the factory-style hose routing used on the Ford F-150 cooling system.
What This Hose Helps Address
- Cracked or split lower radiator hose sections
- Coolant leaks at formed hose bends or branch points
- Restricted coolant flow caused by aged hose collapse
- Improper fit from universal hose replacements
- Cooling system service on a 2005-2008 Ford F-150
Installation Notes and Tips
Verify the hose routing, end diameters, and lower position before installation. Inspect adjoining necks, clamps, and coolant passages for wear or corrosion so the replacement hose seals correctly. Drain coolant as needed, route the hose without twisting, and confirm clearance around nearby components after installation.
Quality Assurance
Dayco manufactures cooling-system hoses to OE-style specifications and material standards for vehicle service applications. Part number 72259 is built to the listed SAE requirements for this fitment.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Ford | F-150 | 4.2L | V6 | Lower | Curved Radiator Hose |
| 2007 | Ford | F-150 | 4.2L | V6 | Lower | Curved Radiator Hose |
| 2006 | Ford | F-150 | 4.2L | V6 | Lower | Curved Radiator Hose |
| 2005 | Ford | F-150 | 4.2L | V6 | Lower | Curved Radiator Hose |
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