OE Quality
60-Day Returns

Dayco 71783 Radiator Coolant Hose - Upper
Overview of Dayco Curved Radiator Hose 71783
The Dayco Curved Radiator Hose 71783 is designed specifically for Acura and Honda vehicles, including the Accord, CL, and TL models. This radiator coolant hose ensures reliable coolant flow and engine temperature regulation with its durable EPDM construction and precise fitment.
- Material: EPDM for heat and chemical resistance
- Color: Black
- End 1 Inside Diameter: 1 3/16 inches
- End 2 Inside Diameter: 1 3/16 inches
- Hose Type: Single inside diameter hose
- SAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC
- Trunk Height: 15 inches
- Compatible with Acura and Honda Accord, CL, and TL models
Dayco Curved Radiator Hose Product Line Details
The Curved Radiator Hose line by Dayco focuses on delivering hoses engineered to meet specific vehicle cooling system requirements. This product line emphasizes precise curvature and dimensional accuracy to ensure proper coolant flow and fitment in complex engine bays. The 71783 part number is part of this line, providing a tailored solution for select Acura and Honda vehicles.
Detailed Product Description
The Dayco 71783 radiator coolant hose is constructed from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 3/16 inches, making it a single i.d. hose designed to maintain consistent coolant flow. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for durability and performance. Its black color and 15-inch trunk height make it suitable for the specified Acura and Honda models, providing a reliable replacement part for the cooling system.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses in Acura Accord, CL, and TL
- Prevention of coolant leaks caused by hose degradation
- Maintaining proper engine temperature by ensuring coolant flow
- Addressing overheating issues related to faulty radiator hoses
- Restoring cooling system integrity after hose damage
Installation Notes and Tips
- Verify hose dimensions and fitment with your specific Acura or Honda model before installation
- Ensure the cooling system is cool and depressurized before removing the old hose
- Inspect hose clamps and replace if necessary to ensure a secure seal
- Check for any coolant leaks after installation and during initial engine operation
- Follow vehicle manufacturer guidelines for coolant system maintenance
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 71783 to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability. Using this hose helps maintain the integrity of the cooling system in compatible Acura and Honda vehicles.
| Brand | Dayco |
|---|---|
| Part Number | 71783 |
| Position | Curved Radiator Hose, Upper |
| Color | Black |
| End 1 Inside Diameter | 1 3/16 |
| End 2 Inside Diameter | 1 3/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 15 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Acura | CL | Upper | Curved Radiator Hose | ||
| 2003 | Acura | TL | Upper | Curved Radiator Hose | ||
| 2002 | Acura | CL | Upper | Curved Radiator Hose | ||
| 2002 | Acura | TL | Upper | Curved Radiator Hose | ||
| 2002 | Honda | Accord | 3.0L | V6 | Upper | Curved Radiator Hose |
| 2001 | Acura | CL | Upper | Curved Radiator Hose | ||
| 2001 | Acura | TL | Upper | Curved Radiator Hose | ||
| 2001 | Honda | Accord | 3.0L | V6 | Upper | Curved Radiator Hose |
| 2000 | Acura | TL | Upper | Curved Radiator Hose | ||
| 2000 | Honda | Accord | 3.0L | V6 | Upper | Curved Radiator Hose |
| 1999 | Acura | TL | Upper | Curved Radiator Hose | ||
| 1999 | Honda | Accord | 3.0L | V6 | Upper | Curved Radiator Hose |
| 1998 | Honda | Accord | 3.0L | V6 | Upper | Curved Radiator Hose |
| 1997 | Honda | Accord | 2.7L | V6 | Upper | Curved Radiator Hose |
| 1996 | Honda | Accord | 2.7L | V6 | Upper | Curved Radiator Hose |
| 1995 | Honda | Accord | 2.7L | V6 | 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.