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Dayco 71481 Radiator Coolant Hose - Lower
| Brand | Dayco 71481 |
|---|---|
| Position | Lower |
| Color | Black |
| End 1 Inside Diameter | 1 5/16 |
| End 2 Inside Diameter | 1 1/2 |
| Hose Type | Dual I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 17 |
| Product line | Curved Radiator Hose |
| Fits | Hyundai · 3 vehicles |
Curved radiator hose. Dual I.D. design for a precise coolant connection.
EPDM construction. Resists heat and coolant exposure in the cooling system.
SAE J20R4 Class D-1. Built to meet recognized hose performance standards.
Cross-references ACDelco 24258L, Duralast D71481 and Gates 21874 for the same application. See all 5.
Dayco 71481 Curved Radiator Hose Overview
The Dayco 71481 curved radiator hose is a dual I.D. coolant hose built for specific Hyundai Sonata lower hose applications. Made from EPDM rubber and finished in black, it provides the formed routing and diameter transition needed for proper coolant flow in the cooling system.
Compatible with 1989-1991 Hyundai Sonata lower radiator hose applications, this Dayco radiator coolant hose is a direct-fit replacement for vehicles that require a curved hose with dual inside diameters. The Dayco 71481 part number is also referenced by several aftermarket and OE cross numbers for the same application.
Key Features
- EPDM construction for coolant-system use
- Dual I.D. hose design with 1 5/16 in. end 1 and 1 1/2 in. end 2
- Curved radiator hose shape for lower hose routing
- Black finish for a clean OE-style appearance
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Compatible With 1989-1991 Hyundai Sonata, lower
Product Details
Dayco Curved Radiator Hose part number 71481 is part of the brand’s hose lineup for cooling-system service. The curved profile helps match factory hose routing, while the dual inside diameter design supports the transition between different connection sizes in the lower radiator circuit. For buyers searching for a 1989 Hyundai Sonata lower radiator hose, a 1990 Hyundai Sonata coolant hose, or a 1991 Hyundai Sonata curved radiator hose, this part provides a direct application match.
This part cross-references ACDelco 24258L and Gates 21874 for the same application.
Common Cooling System Issues It Can Address
- Cracked or split lower radiator hose
- Coolant leaks at the hose connection points
- Softening, swelling, or deterioration from heat and age
- Improper hose routing caused by a worn or misshaped hose
- Restricted coolant transfer through a damaged hose
Installation Notes and Tips
Inspect the hose necks, clamps, and mating surfaces before installation. Confirm the end diameters match the vehicle connection points and route the hose without twists so the curved shape follows the factory path. After installation, refill and bleed the cooling system according to the vehicle service procedure and check for leaks at operating temperature.
Quality Assurance
This Dayco radiator coolant hose is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, supporting consistent material and performance requirements for cooling-system service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1991 | Hyundai | Sonata | 2.4L | L4 | Lower | Curved Radiator Hose |
| 1990 | Hyundai | Sonata | 2.4L | L4 | Lower | Curved Radiator Hose |
| 1989 | Hyundai | Sonata | — | — | Lower | Curved Radiator Hose |
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