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Dayco 71488 Radiator Coolant Hose - Upper
| Brand | Dayco 71488 |
|---|---|
| Position | Upper |
| Color | Black |
| End 1 Inside Diameter | 1 5/16 |
| End 2 Inside Diameter | 1 5/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 21 |
| Product line | Curved Radiator Hose |
| Fits | Nissan |
Curved hose design. Helps route coolant smoothly through the cooling system.
EPDM construction. Resists heat and coolant exposure for dependable service.
Single I.D. hose. Provides a straightforward coolant hose replacement.
Cross-references ACDelco 26196X, CARQUEST 21870 and Datsun/Nissan 21501-65E00 for the same application. See all 8.
Dayco 71488 Curved Radiator Hose Overview
Dayco 71488 is a curved radiator coolant hose built from EPDM for reliable coolant transfer in the engine cooling system. With a 1 5/16 in. inside diameter at both ends, this black single I.D. hose is shaped for routing where a formed hose is required, including many Nissan and Datsun radiator hose applications.
The Dayco Curved Radiator Hose line focuses on formed replacement hoses that match the routing needs of specific cooling-system layouts. Part number 71488 follows that approach with a curved profile and SAE J20R4 Class D-1 and SAE J1684 Type EC compliance for radiator coolant service.
Key Features
- EPDM construction for coolant-system durability
- Black finish for a clean OE-style appearance
- 1 5/16 in. inside diameter at both ends
- Single I.D. hose design for radiator coolant routing
- Curved hose shape for formed-fit cooling applications
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Dayco part number 71488 for catalog and cross-reference use
Detailed Description
Dayco 71488 is a formed radiator coolant hose made for vehicles that require a curved hose path between cooling-system connection points. The EPDM rubber construction is suited for hot coolant exposure, while the single I.D. design and matching 1 5/16 in. ends support a secure connection where the hose must maintain its shape under engine-bay heat and pressure. This part number 71488 is a practical choice for Nissan and Datsun radiator hose replacement searches where the original hose routing matters.
This part cross-references Gates 21870 and NAPA 8560 for the same application.
What It Helps Fix
- Cracked or hardened radiator hose material
- Coolant leaks at a worn hose section
- Collapsed or misshaped formed hose routing
- Restricted coolant flow from an aging hose
- Cooling-system service needs on Nissan and Datsun vehicles
Installation Notes and Tips
Verify the hose inside diameter matches both connection points before installation. Inspect the radiator necks, clamps, and adjoining coolant pipes for corrosion, pitting, or residue that could affect sealing. Route the hose to follow the original curved path and confirm there is no contact with moving parts or sharp edges after the cooling system is refilled and bled.
Quality Assurance
Dayco manufactures this hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC requirements for radiator coolant hose service. The EPDM material and formed construction support consistent fitment for the specified cooling-system application.
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