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Dayco 72300 Radiator Coolant Hose - Upper
| Brand | Dayco 72300 |
|---|---|
| Position | Upper |
| Color | Black |
| End 1 Inside Diameter | 1 13/16 |
| End 2 Inside Diameter | 1 13/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 13-1/2 |
| Product line | Curved Radiator Hose |
| Fits | Kia · 5 vehicles |
EPDM construction. Resists heat and coolant exposure for dependable hose performance.
Single I.D. hose. Provides a straightforward coolant transfer path.
Curved hose design. Helps route coolant smoothly through the cooling system.
Cross-references ACDelco 20387S, CARQUEST 22684 and Duralast C72300 for the same application. See all 7.
Dayco Curved Radiator Hose for Kia Rio
Dayco Part Number 72300 is a curved radiator coolant hose built for upper cooling system routing on select Kia Rio models. Made from EPDM and finished in black, it follows the OE-style shape needed for a clean, secure coolant connection in the engine bay.
Compatible with 2001-2005 Kia Rio, upper, this Dayco Curved Radiator Hose supports direct replacement needs for drivers searching for a 2001 Kia Rio upper radiator hose, 2005 Kia Rio coolant hose, or Dayco 72300 replacement hose.
Key Features
- EPDM construction for coolant hose service
- Black finish for a factory-style appearance
- Single I.D. hose design
- 1 13/16 in. inside diameter at both ends
- Curved radiator hose profile for upper routing
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Dayco 72300 part number for easy identification
Product Details
This Dayco Curved Radiator Hose is part of the Dayco Curved Radiator Hose line, a product line focused on replacement coolant hoses with OE-style form and material selection. The curved shape and equal end diameters help match the original upper hose routing on the Kia Rio, while the EPDM rubber construction is suited for standard radiator coolant service. If you are sourcing a Kia Rio upper radiator hose or comparing Dayco 72300 against other replacement options, this hose provides a direct-fit reference for the listed application.
This part cross-references ACDelco 20387S and Gates 22684 for the same application.
Common Cooling System Issues
- Cracked or split upper radiator hose
- Coolant seepage at the hose connection points
- Softening, swelling, or hardening of the original hose material
- Restricted coolant flow caused by hose deterioration
- Loss of proper upper hose routing after replacement
Installation Notes and Tips
Verify the hose routing and end diameters before installation. Inspect the radiator neck, engine connection points, and clamps for wear or corrosion, and replace damaged clamps as needed. Confirm the hose is seated fully and routed without kinks or twist before refilling and bleeding the cooling system.
Quality Assurance
Dayco manufactures this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC requirements, supporting consistent material and dimensional standards for cooling system replacement.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Kia | Rio | Upper | Curved Radiator Hose |
| 2004 | Kia | Rio | Upper | Curved Radiator Hose |
| 2003 | Kia | Rio | Upper | Curved Radiator Hose |
| 2002 | Kia | Rio | Upper | Curved Radiator Hose |
| 2001 | Kia | Rio | Upper | Curved Radiator Hose |
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