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Dayco 70539 Radiator Coolant Hose - Lower or Upper
Overview of Dayco Curved Radiator Hose 70539
The Dayco Curved Radiator Hose 70539 is designed to provide reliable coolant flow for select Chrysler, Dodge, and Rover vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent performance in demanding engine cooling systems.
- Constructed from high-quality EPDM for heat and chemical resistance
- Black color with 1 1/2 inch inside diameter on both ends
- Single inside diameter hose type for straightforward installation
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 16 inches for precise fitment
Detailed Product Description
The Dayco Curved Radiator Hose 70539 is manufactured from EPDM (ethylene propylene diene monomer) rubber, a material known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a consistent 1 1/2 inch inside diameter on both ends, making it suitable for radiator coolant systems requiring a single i.d. hose configuration. The hose does not include a heat shield or protective sleeve, focusing on core durability and fitment. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line specializes in hoses designed with precise bends to accommodate specific engine layouts. This product line addresses the need for radiator hoses that fit complex routing paths without compromising coolant flow or hose integrity. The 70539 part number is part of this line, offering a tailored solution for vehicles requiring curved hose configurations.
Compatible Vehicles and Applications
This radiator coolant hose is compatible with various Chrysler, Dodge, and Rover models, including the Chrysler 300, Dodge Charger, Dodge Dakota, Dodge Magnum, and several others such as the Dodge 3500, Imperial, Monaco, Newport, New Yorker, and Town & Country. It is intended for use in radiator coolant systems where a 1 1/2 inch single inside diameter hose is specified.
- Replaces worn or cracked radiator coolant hoses
- Prevents coolant leaks and overheating issues
- Restores proper coolant flow in Chrysler 300 and Dodge Charger models
- Addresses hose swelling or softening due to heat exposure
- Suitable for radiator hose replacement in Dodge Dakota and Rover vehicles
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 70539, ensure the engine is cool to avoid burns from hot coolant. Verify the hose routing matches the original to prevent kinks or interference with other engine components. Use appropriate clamps to secure the hose ends and check for leaks after installation. The hoseβs 16-inch trunk height should be confirmed against vehicle specifications for proper fit.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 70539 to meet SAE standards, ensuring durability and performance under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry quality controls and are designed for reliable service life in compatible Chrysler, Dodge, and Rover vehicles.
| Brand | Dayco |
|---|---|
| Part Number | 70539 |
| Position | Curved Radiator Hose, Upper |
| Color | Black |
| End 1 Inside Diameter | 1 1/2 |
| End 2 Inside Diameter | 1 1/2 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 16 |
This part fits 80 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1991 | Dodge | Dakota | 5.2L | V8 | Upper | Curved Radiator Hose |
| 1990 | Dodge | Dakota | 5.2L | V8 | Upper | Curved Radiator Hose |
| 1989 | Dodge | Dakota | 5.2L | V8 | Upper | Curved Radiator Hose |
| 1980 | Rover | 3500 | Lower | Curved Radiator Hose | ||
| 1978 | Chrysler | New Yorker | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1978 | Chrysler | New Yorker | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1978 | Chrysler | Newport | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1978 | Chrysler | Newport | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1978 | Dodge | Charger | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1978 | Dodge | Magnum | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1978 | Dodge | Monaco | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1978 | Dodge | Monaco | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1977 | Chrysler | New Yorker | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1977 | Chrysler | New Yorker | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1977 | Chrysler | Newport | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1977 | Chrysler | Newport | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1977 | Chrysler | Town & Country | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1977 | Chrysler | Town & Country | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1977 | Dodge | Charger | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1977 | Dodge | Monaco | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1977 | Dodge | Monaco | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1976 | Chrysler | New Yorker | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1976 | Chrysler | New Yorker | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1976 | Chrysler | Newport | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1976 | Chrysler | Newport | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1976 | Chrysler | Town & Country | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1976 | Chrysler | Town & Country | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1976 | Dodge | Charger | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1976 | Dodge | Monaco | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1976 | Dodge | Monaco | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1975 | Chrysler | Imperial | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1975 | Chrysler | Imperial | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose | ||
| 1975 | Chrysler | New Yorker | 7.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | New Yorker | 7.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | New Yorker | 6.6L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | New Yorker | 6.6L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | Newport | 7.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | Newport | 7.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | Newport | 6.6L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | Newport | 6.6L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | Town & Country | 7.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | Town & Country | 7.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | Town & Country | 6.6L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Chrysler | Town & Country | 6.6L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Charger | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1975 | Dodge | Monaco | 6.6L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Monaco | 6.6L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Monaco | 7.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Monaco | 7.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Monaco | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1974 | Chrysler | Imperial | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1974 | Chrysler | Imperial | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose | ||
| 1974 | Chrysler | New Yorker | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1974 | Chrysler | New Yorker | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose | ||
| 1974 | Chrysler | Newport | 6.6L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1974 | Chrysler | Newport | 6.6L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1974 | Chrysler | Newport | 7.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1974 | Chrysler | Newport | 7.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1974 | Chrysler | Town & Country | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1974 | Chrysler | Town & Country | 7.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1974 | Chrysler | Town & Country | 7.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1974 | Dodge | Charger | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1974 | Dodge | Charger | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1974 | Dodge | Monaco | 6.6L | V8 | Upper | Curved Radiator Hose |
| 1974 | Dodge | Monaco | 7.2L | V8 | Upper | Curved Radiator Hose |
| 1973 | Chrysler | Imperial | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1972 | Chrysler | Imperial | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1971 | Chrysler | 300 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1971 | Chrysler | Imperial | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1971 | Chrysler | New Yorker | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1971 | Chrysler | Newport | 6.3L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1971 | Chrysler | Newport | 7.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1971 | Chrysler | Town & Country | 6.3L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1971 | Chrysler | Town & Country | 7.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1970 | Chrysler | Imperial | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1969 | Chrysler | Imperial | Upper | Curved Radiator Hose | ||
| 1968 | Chrysler | Imperial | Upper | Curved Radiator Hose | ||
| 1968 | Dodge | Charger | 7.0L | V8 | Upper | Curved Radiator Hose |
| 1967 | Chrysler | Imperial | Upper | Curved Radiator Hose | ||
| 1967 | Chrysler | Newport | 7.2L | V8 | 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.