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Dayco 71158 Radiator Coolant Hose - Upper
Overview of Dayco Curved Radiator Hose 71158
The Dayco Curved Radiator Hose 71158 is designed for reliable cooling system performance in select Ford and Mercury vehicles. Engineered with durable EPDM material and a dual inside diameter design, this radiator coolant hose supports efficient heat transfer and fluid flow.
- Constructed from high-quality EPDM for heat and chemical resistance
- Black color with protective sleeve for added durability
- Dual inside diameter hose: 1 1/4 inch and 1 1/2 inch ends
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Compatible with Ford and Mercury models including Capri, Cougar, LTD, Marquis, Mustang, and Thunderbird
Detailed Product Description
The Dayco Curved Radiator Hose 71158 is part of the Curved Radiator Hose product line, which focuses on providing hoses with precise bends to fit specific vehicle cooling systems. This hose features a dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 1/2 inches, allowing for a secure fit on varying radiator and engine connections. Made from EPDM material, it offers resistance to heat, ozone, and coolant chemicals, ensuring long service life. The hose includes a protective sleeve to guard against abrasion and external damage, although it does not contain a heat shield. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.
Compatible Vehicles and Applications
- Ford Capri
- Ford Cougar
- Ford LTD
- Ford Marquis
- Ford Mustang
- Ford Thunderbird
- Mercury Capri
- Mercury Cougar
- Mercury Marquis
This radiator coolant hose is designed to replace worn or damaged hoses in the cooling system, helping to maintain proper engine temperature and prevent leaks.
Common Issues Addressed by Dayco Radiator Hose 71158
- Coolant leaks due to cracked or brittle hoses
- Overheating caused by restricted coolant flow
- Hose collapse or deformation under pressure
- Wear from abrasion or external damage
- Compatibility issues with incorrect hose diameters
Installation Notes and Tips
Ensure the engine is cool before removing the old radiator hose. Verify the hose ends match the required inside diameters of 1 1/4 inch and 1 1/2 inch for proper fitment. Use appropriate clamps to secure the hose and check for leaks after installation. The protective sleeve on this hose helps prevent abrasion, but care should be taken to avoid contact with sharp edges during installation.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 71158 to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive cooling systems.
| Brand | Dayco |
| Part Number | 71158 |
| Position | Curved Radiator Hose, Upper |
| Color | Black |
| Contains Protective Sleeve | Y |
| End 1 Inside Diameter | 1 1/4 |
| 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 | 23 |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1987 | Ford | Thunderbird | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1987 | Mercury | Cougar | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1986 | Ford | LTD | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1986 | Ford | Mustang | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1986 | Ford | Thunderbird | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1986 | Mercury | Capri | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1986 | Mercury | Cougar | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1986 | Mercury | Marquis | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1985 | Ford | LTD | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1985 | Ford | Mustang | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1985 | Ford | Thunderbird | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1985 | Mercury | Capri | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1985 | Mercury | Cougar | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1985 | Mercury | Marquis | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1984 | Ford | LTD | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1984 | Ford | Mustang | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1984 | Ford | Thunderbird | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1984 | Mercury | Capri | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1984 | Mercury | Cougar | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1984 | Mercury | Marquis | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1983 | Ford | LTD | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1983 | Ford | Thunderbird | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1983 | Mercury | Cougar | 3.8L | V6 | Upper | Curved Radiator Hose |
| 1983 | Mercury | Marquis | 3.8L | V6 | Upper | Curved Radiator Hose |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.