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Dayco 71582 Radiator Coolant Hose - Upper
| Brand | Dayco 71582 |
|---|---|
| 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 | 19 |
| Product line | Curved Radiator Hose |
| Fits | Buick, Oldsmobile, and Pontiac · 6 vehicles |
Curved hose design. Helps route coolant smoothly through the cooling system.
EPDM construction. Built for dependable coolant transfer and heat resistance.
Single I.D. hose. A straightforward replacement for radiator coolant routing.
Cross-references Duralast E71582, Freshstart 955 and General Motors 22548321 for the same application. See all 5.
Dayco Curved Radiator Hose 71582
Dayco 71582 is a curved radiator coolant hose built for upper cooling-system routing on select 1992-1993 Buick Skylark, Oldsmobile Achieva, and Pontiac Grand Am applications. Made from EPDM rubber with a black finish, it is shaped as a single I.D. hose with 1 5/16-inch inside diameters at both ends for a direct-fit style replacement.
Key Features
- EPDM construction for coolant-hose service
- Curved radiator hose design for upper hose routing
- 1 5/16-inch inside diameter at both ends
- Black finish for OE-style appearance
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Dayco Curved Radiator Hose line for cooling-system replacement
Product Details
This Dayco Curved Radiator Hose is engineered for upper radiator coolant flow in vehicles that require a formed hose with matching end diameters. The EPDM rubber construction is suited for cooling-system temperatures and coolant exposure, while the curved profile helps follow the factory hose path. Dayco 71582 is a practical replacement choice for 1992-1993 Buick Skylark, 1992-1993 Oldsmobile Achieva, and 1992-1993 Pontiac Grand Am upper hose applications. This part cross-references Duralast E71582 for the same application.
What It Helps Address
- Cracked or aged upper radiator hose material
- Coolant leaks at the hose body
- Improper hose routing from a collapsed or misshaped hose
- Cooling-system service on Buick Skylark, Oldsmobile Achieva, and Pontiac Grand Am models
- Replacement of a worn Dayco 71582-style upper coolant hose
Installation Notes and Tips
Verify the hose path, end diameters, and upper-position routing before installation. Inspect hose clamps, radiator necks, and engine-side connections for wear or corrosion, and replace any damaged sealing surfaces before fitting the new hose. Confirm the application against the vehicle’s cooling-system layout for 1992-1993 Buick Skylark, Oldsmobile Achieva, or Pontiac Grand Am.
Quality Assurance
Dayco 71582 is built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, supporting consistent material and performance requirements for radiator hose service.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Buick | Skylark | — | 2.3L | L4 | Upper | Curved Radiator Hose |
| 1993 | Oldsmobile | Achieva | — | 2.3L | L4 | Upper | Curved Radiator Hose |
| 1993 | Pontiac | Grand Am | — | 2.3L | L4 | Upper | Curved Radiator Hose |
| 1992 | Buick | Skylark | Automatic | 2.3L | L4 | Upper | Curved Radiator Hose |
| 1992 | Oldsmobile | Achieva | — | 2.3L | L4 | Upper | Curved Radiator Hose |
| 1992 | Pontiac | Grand Am | — | 2.3L | L4 | Upper | Curved Radiator Hose |
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