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Dayco 70748 Radiator Coolant Hose - Lower, Lower - Pipe To Radiator or Upper
Overview of Dayco Curved Radiator Hose 70748
The Dayco Curved Radiator Hose 70748 is designed for reliable coolant flow in select Ford, Isuzu, and Mercury vehicles. Engineered with durable EPDM material, this dual inside diameter hose supports efficient engine cooling for models like the Ford Pinto and Isuzu Rodeo.
- Constructed from high-quality EPDM for heat and chemical resistance
- Dual inside diameters: 1 1/4 inch and 1 1/2 inch ends for precise fitment
- Black color for standard OEM appearance
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 12 inches for proper routing in engine bay
- Compatible with Ford Amigo, Isuzu Bobcat, Mercury Courier, and more
Detailed Product Description
The Dayco Curved Radiator Hose 70748 is a radiator coolant hose designed to maintain optimal engine temperature by facilitating coolant circulation. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this hose ensures durability under demanding conditions. The dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 1/2 inches, allows for a secure and precise connection to different radiator and engine fittings. Its black color matches OEM standards, providing a clean and professional look under the hood.
This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The 12-inch trunk height supports proper installation and routing within the engine compartment, reducing the risk of kinks or interference with other components.
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual diameter ends to accommodate unique radiator and engine configurations. This product line is engineered to meet stringent SAE specifications, ensuring compatibility and performance in various vehicle models. The 70748 part exemplifies this approach by offering a tailored fit for Ford, Isuzu, and Mercury vehicles requiring a curved hose with dual inside diameters.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses in Ford Pinto and Isuzu Rodeo
- Resolving coolant leaks caused by hose degradation or improper fit
- Preventing overheating issues due to compromised coolant flow
- Addressing hose swelling or softening from heat exposure
- Ensuring secure connections in cooling systems with varying pipe diameters
Installation Notes and Tips
- Verify compatibility with your vehicle’s make and model before installation
- Ensure both hose ends fit snugly on radiator and engine fittings
- Use appropriate clamps to secure the hose and prevent leaks
- Inspect surrounding components for wear or damage during replacement
- Check coolant levels and system pressure after installation
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 70748 to meet SAE standards, ensuring reliable performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by manufacturer support for defects in material and workmanship.
| Brand | Dayco |
|---|---|
| Part Number | 70748 |
| Position | Curved Radiator Hose, Upper |
| Color | Black |
| 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 | 12 |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Isuzu | Rodeo | 2.2L | L4 | Upper | Curved Radiator Hose |
| 2003 | Isuzu | Rodeo Sport | 2.2L | L4 | Upper | Curved Radiator Hose |
| 2002 | Isuzu | Rodeo | 2.2L | L4 | Upper | Curved Radiator Hose |
| 2002 | Isuzu | Rodeo Sport | 2.2L | L4 | Upper | Curved Radiator Hose |
| 2001 | Isuzu | Rodeo | 2.2L | L4 | Upper | Curved Radiator Hose |
| 2001 | Isuzu | Rodeo Sport | 2.2L | L4 | Upper | Curved Radiator Hose |
| 2000 | Isuzu | Amigo | 2.2L | L4 | Upper | Curved Radiator Hose |
| 2000 | Isuzu | Rodeo | 2.2L | L4 | Upper | Curved Radiator Hose |
| 1999 | Isuzu | Amigo | 2.2L | L4 | Upper | Curved Radiator Hose |
| 1999 | Isuzu | Rodeo | 2.2L | L4 | Upper | Curved Radiator Hose |
| 1998 | Isuzu | Amigo | 2.2L | L4 | Upper | Curved Radiator Hose |
| 1998 | Isuzu | Rodeo | 2.2L | L4 | Upper | Curved Radiator Hose |
| 1982 | Ford | Courier | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1981 | Ford | Courier | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1980 | Ford | Courier | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1980 | Ford | Pinto | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1980 | Mercury | Bobcat | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1979 | Ford | Courier | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1979 | Ford | Pinto | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1979 | Mercury | Bobcat | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Ford | Courier | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Ford | Pinto | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Mercury | Bobcat | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1977 | Ford | Courier | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1977 | Ford | Pinto | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1977 | Mercury | Bobcat | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Ford | Pinto | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Mercury | Bobcat | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Ford | Pinto | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Mercury | Bobcat | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1974 | Ford | Pinto | 2.3L | L4 | Lower | Compatible with vehicles containing air conditioning.; 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.