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Dayco 70780 Radiator Coolant Hose - Lower, Lower - Pipe To Engine or Lower - Pipe To Radiator
Durable Radiator Coolant Hose for Chrysler, Dodge, and Toyota Vehicles
The Dayco Curved Radiator Hose 70780 is engineered to provide reliable coolant flow for select Chrysler, Dodge, and Toyota models. Designed with precision, this radiator coolant hose ensures consistent performance and durability under demanding engine conditions.
Key Features of Dayco Curved Radiator Hose 70780
- Constructed from high-quality EPDM material for heat and chemical resistance
- Black color with a curved design to fit specific engine layouts
- Uniform inside diameter of 1 3/4 inches on both ends for consistent coolant flow
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for coolant hoses
- Single inside diameter hose type suitable for radiator coolant systems
- Trunk height of 15 inches for proper fitment in designated vehicle models
About the Dayco Curved Radiator Hose Product Line
The Curved Radiator Hose line by Dayco focuses on delivering hoses that accommodate specific engine configurations requiring curved coolant pathways. This product line emphasizes durability and compliance with SAE standards, ensuring compatibility and reliable performance in cooling systems. The 70780 part number is a representative component within this line, tailored for select Chrysler, Dodge, and Toyota vehicles.
Detailed Product Description
The Dayco 70780 radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Its black curved design allows it to fit precisely in engine bays of models such as the Chrysler Challenger, Dodge Charger, Dodge Dart, Toyota Land Cruiser, and others. Both ends of the hose have an inside diameter of 1 3/4 inches, ensuring a secure and leak-free connection to the radiator and engine fittings. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses in Chrysler, Dodge, and Toyota vehicles
- Prevention of coolant leaks that can lead to engine overheating
- Restoration of proper coolant flow in curved hose routing areas
- Addressing hose swelling or softening due to prolonged heat exposure
- Ensuring compliance with manufacturer coolant hose specifications
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 70780, ensure the hose is routed without kinks or sharp bends that could restrict coolant flow. Verify that both ends with 1 3/4 inch inside diameter fit securely onto the radiator and engine fittings. It is recommended to inspect hose clamps and replace them if necessary to maintain a tight seal. Allow the engine to cool before removal and installation to avoid injury and damage.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 70780 to meet stringent SAE specifications, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Using this hose helps maintain the integrity of the cooling system in compatible Chrysler, Dodge, and Toyota vehicles.
| Brand | Dayco |
|---|---|
| Part Number | 70780 |
| Position | Curved Radiator Hose, Lower, Lower - Pipe To Engine, and Lower - Pipe To Radiator |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 3/4 |
| End 2 Inside Diameter | 1 3/4 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 15 |
This part fits 119 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1981 | Chrysler | Newport | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1980 | Chrysler | New Yorker | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1980 | Chrysler | New Yorker | 5.9L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1980 | Chrysler | Newport | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1980 | Chrysler | Newport | 5.9L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1980 | Toyota | Land Cruiser | Lower - Pipe To Radiator | Fits vehicles without air conditioning.; Curved Radiator Hose | ||
| 1979 | Chrysler | New Yorker | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1979 | Chrysler | New Yorker | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1979 | Chrysler | Newport | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1979 | Chrysler | Newport | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1979 | Chrysler | Town & Country | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1979 | Chrysler | Town & Country | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1979 | Dodge | Magnum | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1979 | Dodge | Magnum | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1979 | Toyota | Land Cruiser | Lower - Pipe To Radiator | FJ40; Curved Radiator Hose | ||
| 1978 | Chrysler | Town & Country | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Charger | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Charger | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Charger | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1978 | Dodge | Charger | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1978 | Dodge | Magnum | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Magnum | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Magnum | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1978 | Dodge | Magnum | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1978 | Dodge | Monaco | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Monaco | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Monaco | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1978 | Dodge | Monaco | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1978 | Dodge | Monaco | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1978 | Toyota | Land Cruiser | Lower - Pipe To Engine | w/o A.C., FJ40; Curved Radiator Hose | ||
| 1977 | Dodge | Charger | 5.2L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | Charger | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | Charger | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | Monaco | 5.2L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | Monaco | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | Monaco | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | Monaco | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1977 | Toyota | Land Cruiser | Lower - Pipe To Engine | w/o A.C., FJ40; Curved Radiator Hose | ||
| 1976 | Dodge | Charger | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | Charger | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | Charger | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1976 | Dodge | Charger | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1976 | Dodge | Dart | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | Dart | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | Dart | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1976 | Dodge | Monaco | 5.2L | V8 | Lower | Curved Radiator Hose |
| 1976 | Toyota | Land Cruiser | Lower - Pipe To Engine | Fits vehicles without air conditioning.; Curved Radiator Hose | ||
| 1976 | Toyota | Land Cruiser | Lower - Pipe To Engine | w/o A.C., FJ40; Curved Radiator Hose | ||
| 1975 | Dodge | Charger | 5.2L | V8 | Lower | Curved Radiator Hose |
| 1975 | Dodge | Charger | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1975 | Dodge | Charger | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1975 | Dodge | Dart | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Dart | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Dart | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1975 | Dodge | Monaco | 5.2L | V8 | Lower | Curved Radiator Hose |
| 1975 | Dodge | Monaco | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1975 | Dodge | Monaco | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1975 | Toyota | Land Cruiser | Lower - Pipe To Engine | Fits vehicles without air conditioning.; Curved Radiator Hose | ||
| 1974 | Dodge | Challenger | 5.2L | V8 | Lower | Curved Radiator Hose |
| 1974 | Dodge | Challenger | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1974 | Dodge | Charger | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1974 | Dodge | Charger | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1974 | Dodge | Charger | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1974 | Dodge | Dart | 5.2L | V8 | Lower | Curved Radiator Hose |
| 1974 | Dodge | Dart | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1973 | Dodge | Challenger | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Challenger | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Challenger | 5.6L | V8 | Lower | Radiator Coolant Hose for H.D. vehicles.; Curved Radiator Hose |
| 1973 | Dodge | Challenger | 5.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1973 | Dodge | Charger | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Charger | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Charger | 5.6L | V8 | Lower | Radiator Coolant Hose for H.D. vehicles.; Curved Radiator Hose |
| 1973 | Dodge | Charger | 5.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1973 | Dodge | Dart | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Dart | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Dart | 5.6L | V8 | Lower | Curved Radiator Hose |
| 1973 | Dodge | Monaco | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Monaco | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Monaco | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1972 | Chrysler | Newport | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1972 | Dodge | Challenger | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1972 | Dodge | Challenger | 5.2L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1972 | Dodge | Challenger | 5.2L | V8 | Lower | w/o A.C., Late; Curved Radiator Hose |
| 1972 | Dodge | Challenger | 5.6L | V8 | Lower | Curved Radiator Hose |
| 1972 | Dodge | Charger | 5.2L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1972 | Dodge | Charger | 5.2L | V8 | Lower | w/o A.C., Late; Curved Radiator Hose |
| 1972 | Dodge | Charger | 5.6L | V8 | Lower | Curved Radiator Hose |
| 1972 | Dodge | Dart | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1972 | Dodge | Dart | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1972 | Dodge | Dart | 5.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1972 | Dodge | Dart | 5.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1972 | Dodge | Monaco | 5.2L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1972 | Dodge | Monaco | 5.2L | V8 | Lower | w/o A.C., Late; Curved Radiator Hose |
| 1972 | Dodge | Monaco | 5.9L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1972 | Dodge | Monaco | 5.9L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1972 | Dodge | Monaco | 5.9L | V8 | Lower | w/o A.C., Late; Curved Radiator Hose |
| 1971 | Chrysler | Newport | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1971 | Dodge | Challenger | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1971 | Dodge | Challenger | 5.2L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Challenger | 5.2L | V8 | Lower | w/o A.C., Late; Curved Radiator Hose |
| 1971 | Dodge | Challenger | 5.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1971 | Dodge | Challenger | 5.6L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Challenger | 5.6L | V8 | Lower | w/o A.C., Late; Curved Radiator Hose |
| 1971 | Dodge | Charger | 5.2L | V8 | Lower | Late model vehicles with or without air conditioning; Curved Radiator Hose |
| 1971 | Dodge | Charger | 5.2L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Charger | 5.9L | V8 | Lower | Curved Radiator Hose |
| 1971 | Dodge | Dart | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1971 | Dodge | Dart | 5.2L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Dart | 5.2L | V8 | Lower | w/o A.C., Late; Curved Radiator Hose |
| 1971 | Dodge | Dart | 5.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1971 | Dodge | Monaco | 5.9L | V8 | Lower | Late model vehicles with or without air conditioning; Curved Radiator Hose |
| 1971 | Dodge | Monaco | 5.9L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1970 | Dodge | Challenger | 5.2L | V8 | Lower | Curved Radiator Hose |
| 1970 | Dodge | Challenger | 5.6L | V8 | Lower | Curved Radiator Hose |
| 1970 | Dodge | Charger | 5.2L | V8 | Lower | Late model vehicles with or without air conditioning; Curved Radiator Hose |
| 1970 | Dodge | Charger | 5.2L | V8 | Lower | w/o A.C., Early; Curved Radiator Hose |
| 1970 | Dodge | Dart | 5.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1970 | Dodge | Dart | 5.2L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Dodge | Dart | 5.6L | V8 | Lower | 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.