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Dayco 71449 Radiator Coolant Hose - Lower or Lower - Radiator To Thermostat
| Brand | Dayco 71449 |
|---|---|
| Position | Lower |
| Color | Black |
| End 1 Inside Diameter | 1 3/16 |
| End 2 Inside Diameter | 1 3/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 16 |
| Product line | Curved Radiator Hose |
| Fits | Geo, Toyota, and Isuzu · 34 vehicles |
Curved radiator hose. Single I.D. hose for a straightforward coolant connection.
EPDM construction. Resists heat and coolant exposure for dependable service.
SAE-rated hose. Built to meet J20R4 Class D-1 and J1684 Type EC standards.
Cross-references ACDelco 24270L, CARQUEST 21952 and Duralast D71449 for the same application. See all 16.
Dayco 71449 Curved Radiator Hose
Dayco 71449 is a curved radiator coolant hose for select Toyota, Geo, and Isuzu applications. Built from EPDM rubber with a black finish, it is shaped for lower cooling-system routing and direct replacement service on listed vehicles.
Key Features
- EPDM construction for coolant hose service
- Black finish for OE-style appearance
- 1 3/16 in. inside diameter at both ends
- Single I.D. hose design
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Curved radiator hose profile for lower cooling-system routing
Product Details
This Dayco Curved Radiator Hose line is built for replacement cooling-system applications where a formed hose is required to route coolant between the radiator and thermostat housing. Part number 71449 uses EPDM material for standard radiator hose service and is specified with matching 1 3/16-inch inside diameters at both ends. It is a direct-fit style hose for listed lower and lower radiator-to-thermostat positions on Toyota Corolla, Toyota Celica, Geo Prizm, and Isuzu Impulse applications.
This part cross-references Gates 21952 for the same application. Dayco 71449 is also referenced by Toyota OE numbers 16572-02020 and 16572-02050 among other listed interchange numbers.
Vehicle Fitment
- Fits 1993-1997 Geo Prizm, Lower
- Fits 1988-1997 Toyota Corolla, Lower - Radiator To Thermostat
- Fits 1993-1997 Toyota Corolla, Lower
- Fits 1990-1993 Toyota Celica, Lower - Radiator To Thermostat
- Fits 1989-1992 Geo Prizm, Lower - Radiator To Thermostat
- Fits 1992 Isuzu Impulse, Lower
Common Issues This Hose Can Address
- Cracked or hardened radiator hose material
- Coolant leaks at the lower hose routing
- Collapsed or softened hose sections under heat and pressure
- Incorrect hose shape or fitment on Toyota Corolla and Toyota Celica cooling systems
- Service replacement for worn Geo Prizm lower coolant hose applications
Installation Notes
Verify hose routing, end diameters, and position before installation. Inspect adjoining radiator necks, thermostat housing connections, and clamps for wear or corrosion, and replace damaged components as needed. Confirm the hose follows the original curved path without kinks or twist before refilling and bleeding the cooling system.
Quality Assurance
Dayco 71449 is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for radiator coolant hose service.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1997 | Geo | Prizm | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1997 | Geo | Prizm | — | 1.6L | L4 | Lower | Curved Radiator Hose |
| 1997 | Toyota | Corolla | — | 1.6L | L4 | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1997 | Toyota | Corolla | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1996 | Geo | Prizm | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1996 | Geo | Prizm | — | 1.6L | L4 | Lower | Curved Radiator Hose |
| 1996 | Toyota | Corolla | — | 1.6L | L4 | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1996 | Toyota | Corolla | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1995 | Geo | Prizm | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1995 | Geo | Prizm | — | 1.6L | L4 | Lower | Curved Radiator Hose |
| 1995 | Toyota | Corolla | — | 1.6L | L4 | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1995 | Toyota | Corolla | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1994 | Geo | Prizm | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1994 | Geo | Prizm | — | 1.6L | L4 | Lower | Curved Radiator Hose |
| 1994 | Toyota | Corolla | — | 1.6L | L4 | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1994 | Toyota | Corolla | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1993 | Geo | Prizm | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1993 | Geo | Prizm | — | 1.6L | L4 | Lower | Curved Radiator Hose |
| 1993 | Toyota | Celica | — | 1.6L | L4 | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1993 | Toyota | Corolla | — | 1.6L | L4 | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1993 | Toyota | Corolla | — | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1992 | Geo | Prizm | — | — | — | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1992 | Isuzu | Impulse | Automatic | 1.8L | L4 | Lower | Curved Radiator Hose |
| 1992 | Toyota | Celica | — | 1.6L | L4 | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1992 | Toyota | Corolla | — | — | — | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1991 | Geo | Prizm | — | — | — | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1991 | Toyota | Celica | — | 1.6L | L4 | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1991 | Toyota | Corolla | — | — | — | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1990 | Geo | Prizm | — | — | — | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1990 | Toyota | Celica | — | 1.6L | L4 | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1990 | Toyota | Corolla | — | — | — | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1989 | Geo | Prizm | — | — | — | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1989 | Toyota | Corolla | — | — | — | Lower - Radiator To Thermostat | Curved Radiator Hose |
| 1988 | Toyota | Corolla | — | — | — | Lower - Radiator To Thermostat | Curved Radiator Hose |
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