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Dayco 71865 Radiator Coolant Hose - Lower
Overview of Dayco Curved Radiator Hose 71865
The Dayco Curved Radiator Hose 71865 is designed specifically for Dodge Ram 1500 models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under demanding conditions.
- Made from high-quality EPDM material for heat and chemical resistance
- Black color with a curved design for precise fitment
- Inside diameter of 1 23/32 inches on both ends for uniform coolant flow
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Single inside diameter hose type without heat shield or protective sleeve
- Trunk height of 25 for proper clearance and installation
Detailed Product Description
The Dayco Curved Radiator Hose 71865 is engineered to meet the cooling system requirements of Dodge Ram 1500 vehicles. Its EPDM construction offers resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. The hose features a consistent inside diameter of 1 23/32 inches on both ends, ensuring smooth coolant circulation without restrictions. This single inside diameter hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling applications. The absence of a heat shield or protective sleeve simplifies installation while maintaining durability. The hose’s trunk height of 25 provides adequate clearance within the engine bay, supporting proper fitment and function.
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose product line focuses on delivering hoses with precise bends and dimensions tailored to specific vehicle applications. This design approach helps ensure optimal coolant flow and fitment in tight engine compartments. The 71865 part exemplifies this line by offering a curved shape that matches the Dodge Ram 1500’s cooling system layout, reducing the need for modifications or adjustments during installation.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses in Dodge Ram 1500
- Resolving coolant leaks caused by hose degradation or damage
- Preventing engine overheating due to compromised coolant flow
- Addressing hose swelling or softening from heat exposure
- Ensuring proper coolant circulation with a correctly sized hose
Installation Notes and Tips
- Verify compatibility with Dodge Ram 1500 before installation
- Inspect hose ends and clamps for secure fit and sealing
- Ensure coolant system is cool and depressurized prior to removal
- Replace clamps if they show signs of wear or corrosion
- Check for proper routing to avoid kinks or contact with moving parts
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 71865 to meet industry standards, including SAE J20R4 Class D-1 and SAE J1684 Type EC. These specifications ensure the hose performs reliably under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to strict quality control processes to support durability and fitment accuracy for Dodge Ram 1500 applications.
| Brand | Dayco |
| Part Number | 71865 |
| Position | Curved Radiator Hose, Lower |
| Color | Black |
| End 1 Inside Diameter | 1 23/32 |
| End 2 Inside Diameter | 1 23/32 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 25 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Dodge | Ram 1500 | 3.9L | V6 | Lower | Curved Radiator Hose |
| 2000 | Dodge | Ram 1500 | 3.9L | V6 | Lower | Curved Radiator Hose |
| 1999 | Dodge | Ram 1500 | 3.9L | V6 | Lower | Curved Radiator Hose |
| 1998 | Dodge | Ram 1500 | 3.9L | V6 | Lower | Curved Radiator Hose |
| 1997 | Dodge | Ram 1500 | 3.9L | V6 | Lower | Curved Radiator Hose |
| 1996 | Dodge | Ram 1500 | 3.9L | V6 | Lower | Curved Radiator Hose |
| 1995 | Dodge | Ram 1500 | 3.9L | V6 | Lower | Curved Radiator Hose |
| 1994 | Dodge | Ram 1500 | 3.9L | V6 | 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.