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Dayco 70757 Radiator Coolant Hose - Lower, Lower - Pipe To Radiator or Upper
Overview of Dayco Curved Radiator Hose 70757
The Dayco Curved Radiator Hose 70757 is designed for reliable coolant flow in select Mazda and Toyota vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.
- Constructed from EPDM material for heat and chemical resistance
- Black color with a curved design for precise fitment
- Inside diameter of 1 5/16 inches on both ends
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 11 1/2 inches for proper routing
- Single inside diameter hose type
Detailed Product Description
This radiator coolant hose from Dayco is part of the Curved Radiator Hose product line, which focuses on delivering hoses shaped to fit specific vehicle cooling systems without modification. The curved design of part number 70757 allows for an exact fit in the cooling circuits of Mazda 626, Toyota Corolla, and Toyota T100 models. Manufactured from EPDM, the hose resists heat, ozone, and coolant chemicals, maintaining integrity over time. Both ends have an inside diameter of 1 5/16 inches, ensuring compatibility with factory radiator and engine connections. This hose does not include a heat shield or protective sleeve, consistent with its intended application in standard engine compartments.
Compatible Vehicles and Common Applications
- Replacement radiator coolant hose for Mazda 626 models
- Compatible with Toyota Corolla cooling systems
- Fits Toyota T100 radiator hose connections
- Addresses coolant leaks due to hose wear or cracking
- Resolves overheating issues caused by compromised coolant flow
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 70757, ensure the hose is routed according to the vehicle manufacturer’s specifications to avoid kinks or interference with other engine components. Use appropriate clamps to secure both ends firmly. Inspect adjoining connections for corrosion or damage before installation. It is recommended to replace coolant and flush the system if the old hose showed signs of deterioration.
Quality Assurance and Warranty
Dayco manufactures this radiator coolant hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for durability and performance. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain reliability in automotive cooling systems.
| Brand | Dayco |
|---|---|
| Part Number | 70757 |
| Position | Curved Radiator Hose, Upper |
| Color | Black |
| End 1 Inside Diameter | 1 5/16 |
| End 2 Inside Diameter | 1 5/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 11 1/2 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1994 | Toyota | T100 | 3.0L | V6 | Upper | Curved Radiator Hose | |
| 1993 | Toyota | T100 | Upper | Curved Radiator Hose | |||
| 1987 | Toyota | Corolla | Upper | Curved Radiator Hose | |||
| 1986 | Toyota | Corolla | Upper | Curved Radiator Hose | |||
| 1985 | Mazda | 626 | DIESEL | Lower - Pipe To Radiator | Curved Radiator Hose | ||
| 1985 | Toyota | Corolla | 1.6L | L4 | Upper | Curved Radiator Hose | |
| 1984 | Mazda | 626 | DIESEL | Lower - Pipe To Radiator | Curved Radiator Hose | ||
| 1984 | Toyota | Corolla | 1.6L | L4 | Upper | Curved Radiator Hose | |
| 1983 | Toyota | Corolla | Upper | Curved Radiator Hose | |||
| 1979 | Toyota | Corolla | 1.2L | L4 | Lower | Curved Radiator Hose | |
| 1978 | Toyota | Corolla | 1.2L | L4 | Lower | Curved Radiator Hose | |
| 1977 | Toyota | Corolla | 1.2L | L4 | Lower | Curved Radiator Hose | |
| 1976 | Toyota | Corolla | 1.2L | L4 | Lower | Curved Radiator Hose | |
| 1974 | Toyota | Corolla | 1.2L | L4 | Lower | Curved Radiator Hose | |
| 1973 | Toyota | Corolla | 1.2L | L4 | Lower | Curved Radiator Hose | |
| 1972 | Toyota | Corolla | 1.2L | L4 | Lower | Curved Radiator Hose | |
| 1971 | Toyota | Corolla | 1.2L | L4 | Lower | Curved Radiator Hose | |
| 1970 | Toyota | Corolla | 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.