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Dayco 71017 Radiator Coolant Hose - Lower or Upper
Overview of Dayco Curved Radiator Hose 71017
The Dayco Curved Radiator Hose 71017 is designed to provide reliable coolant flow for various vehicle models including Chevrolet, Ford, GMC, Lincoln, Mercury, and Pontiac. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and efficient cooling system performance.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Dual inside diameter design: 1 1/2 inch and 1 3/4 inch ends for versatile fitment
- Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Black color for standard OEM appearance
- Trunk height of 18 inches for precise routing in engine compartments
Detailed Product Description
The Dayco Curved Radiator Hose 71017 is a radiator coolant hose specifically designed to meet the demands of cooling systems in select Chevrolet, Ford, GMC, Lincoln, Mercury, and Pontiac vehicles. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity under typical engine operating conditions. The hose features a dual inside diameter configuration with one end measuring 1 1/2 inches and the other 1 3/4 inches, allowing it to connect different sized fittings securely. This hose does not include a heat shield or protective sleeve but meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses.
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate complex engine layouts. This product line is engineered to offer precise fitment and reliable coolant flow in vehicles where straight hoses are insufficient. The 71017 part number is part of this line, designed to fit a range of models from Chevrolet Capris to Ford Mustangs and Pontiac Firebirds, supporting proper coolant circulation and engine temperature regulation.
Common Applications and Problem Solving
- Replacement for cracked or leaking radiator coolant hoses
- Addressing coolant flow restrictions due to hose deformation
- Resolving fitment issues in vehicles requiring dual diameter hose connections
- Preventing overheating caused by compromised radiator hoses
- Maintaining OEM coolant system integrity in Chevrolet, Ford, GMC, Lincoln, Mercury, and Pontiac models
Installation Notes and Tips
- Ensure both hose ends match the corresponding radiator and engine fittings (1 1/2 inch and 1 3/4 inch)
- Inspect clamps and replace if worn to secure the hose properly
- Verify routing to avoid contact with moving parts or excessive heat sources
- Drain coolant before removal to prevent spills and system contamination
- Check for leaks after installation and during initial engine operation
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 71017 to meet SAE specifications, ensuring durability and performance under normal operating conditions. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Users should consult product packaging or official documentation for warranty information.
| Brand | Dayco |
| Part Number | 71017 |
| Position | Curved Radiator Hose, Lower |
| Color | Black |
| End 1 Inside Diameter | 1 1/2 |
| End 2 Inside Diameter | 1 3/4 |
| Hose Type | Dual I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 18 |
This part fits 41 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1988 | Ford | Thunderbird | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1988 | Mercury | Cougar | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1987 | Ford | Thunderbird | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1987 | Mercury | Cougar | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | Ford | LTD | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | Ford | Mustang | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | Ford | Thunderbird | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | Mercury | Capri | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | Mercury | Cougar | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | Mercury | Marquis | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | Chevrolet | P20 | 4.8L | L6 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1985 | Chevrolet | P30 | 4.8L | L6 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1985 | Ford | LTD | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | Ford | Mustang | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | Ford | Thunderbird | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | GMC | P3500 | 4.8L | L6 | Lower | Curved Radiator Hose |
| 1985 | Mercury | Capri | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | Mercury | Cougar | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | Mercury | Marquis | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | Chevrolet | P20 | 4.8L | L6 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1984 | Chevrolet | P30 | 4.8L | L6 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1984 | Ford | LTD | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | Ford | Mustang | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | Ford | Thunderbird | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | GMC | P3500 | 4.8L | L6 | Lower | Curved Radiator Hose |
| 1984 | Mercury | Capri | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | Mercury | Cougar | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | Mercury | Marquis | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | Ford | LTD | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | Ford | Mustang | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | Ford | Thunderbird | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | GMC | P3500 | 4.8L | L6 | Lower | Curved Radiator Hose |
| 1983 | Mercury | Capri | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | Mercury | Cougar | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | Mercury | Marquis | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1982 | Ford | Thunderbird | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1982 | Lincoln | Continental | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1982 | Mercury | Cougar | 3.8L | V6 | Lower | Curved Radiator Hose |
| 1976 | Pontiac | Firebird | 4.1L | L6 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Pontiac | Firebird | 4.1L | L6 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1976 | Pontiac | Firebird | 4.1L | L6 | Lower | w/o A.C., Std. Rad.; 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.