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Gates 21891 Radiator Coolant Hose
Reliable Radiator Coolant Hose for Efficient Cooling
The Gates Molded Coolant Hose 21891 is engineered to provide dependable performance in your vehicle's cooling system. Designed with durable EPDM material and precise molded construction, this radiator coolant hose ensures a secure fit and long-lasting service.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Molded design for exact fit and reduced risk of leaks
- Contains internal spring reinforcement to prevent collapse under vacuum
- 12.9 inches (328 mm) centerline length for accurate installation
- Consistent 2.5 inch (64 mm) inside diameter on both ends for uniform flow
About the Gates Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on precision-engineered hoses that match OEM specifications. These hoses are molded to fit specific vehicle applications, reducing installation time and improving reliability. The 21891 part benefits from this product line's emphasis on durability and exact fitment, making it suitable for various automotive cooling systems requiring molded radiator hoses.
Detailed Product Description
This radiator coolant hose features EPDM construction, known for its resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. The molded design ensures the hose maintains its shape and fits securely between radiator connections. An internal spring reinforcement prevents hose collapse during engine vacuum conditions, maintaining consistent coolant flow. With a centerline length of 12.9 inches (328 mm) and matching 2.5 inch (64 mm) inside diameters on both ends, the Gates 21891 hose is designed for precise fitment in compatible cooling systems.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses
- Prevention of coolant leaks due to hose deformation or failure
- Maintaining proper coolant flow to avoid engine overheating
- Addressing hose collapse under vacuum conditions
- Ensuring secure connections in molded hose applications
Installation Notes and Tips
Ensure the cooling system is cool before removing the old hose to avoid burns. Verify the inside diameter and length match your vehicle’s specifications. The molded design of the Gates 21891 hose allows for straightforward installation without modification. Inspect hose clamps and replace if necessary to secure the hose properly. Check for any signs of wear or damage on adjacent components during installation.
Quality Assurance and Warranty
Gates is a recognized manufacturer of automotive hoses with stringent quality control standards. The Molded Coolant Hose 21891 is manufactured to meet or exceed OEM specifications. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship. Refer to Gates’ official documentation for exact warranty terms.
| Brand | Gates |
| Part Number | 21891 |
| Material | Epdm |
| End 1 Inside Diameter | 2.5 |
| End 1 Inside Diameter | 64 |
| End 2 Inside Diameter | 2.5 |
| End 2 Inside Diameter | 64 |
| Contains Spring | Yes |
| Centerline Length | 12.9 |
| Centerline Length | 328 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* 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.