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Gates 21409 Radiator Coolant Hose - Lower
Overview of Gates Molded Coolant Hose 21409
The Gates Molded Coolant Hose 21409 is designed to provide reliable coolant flow in automotive cooling systems. Constructed from durable EPDM material, this radiator coolant hose offers consistent performance and resistance to heat and chemicals.
- Made from high-quality EPDM for heat and chemical resistance
- Molded design ensures precise fit and durability
- Centerline length of 18.9 inches (480 mm) for accurate installation
- End 1 and End 2 inside diameters both measure 1.75 inches (44 mm)
- Does not contain a spring or quick connect fittings
Detailed Product Description
The Gates Molded Coolant Hose 21409 is part of the Molded Coolant Hose product line, which focuses on delivering hoses with exact molded shapes to match specific vehicle cooling system requirements. This hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for radiator coolant applications. The hose features a centerline length of 18.9 inches (480 mm) and consistent inside diameters of 1.75 inches (44 mm) on both ends, ensuring a secure and leak-free connection. Its molded construction eliminates the need for additional fittings or springs, providing a streamlined installation process.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses in compatible vehicles
- Prevention of coolant leaks caused by hose degradation
- Maintaining proper coolant flow to avoid engine overheating
- Addressing hose swelling or softening due to heat exposure
- Ensuring a secure fit in cooling systems requiring molded hose shapes
Installation Notes and Tips
When installing the Gates Molded Coolant Hose 21409, ensure the hose is routed according to the vehicle manufacturer’s specifications to avoid kinks or stress points. Verify that the inside diameters of 1.75 inches (44 mm) match the radiator and engine fittings. Use appropriate clamps to secure the hose ends firmly. Since this hose does not contain springs or quick connect fittings, standard hose clamps are recommended for installation.
Quality Assurance and Warranty
Gates is a recognized manufacturer in the automotive parts industry, known for producing components that meet or exceed OEM standards. The Molded Coolant Hose 21409 undergoes rigorous quality control to ensure durability and performance under typical operating conditions. While specific warranty details are not provided, Gates products generally come with manufacturer-backed warranties covering defects in materials and workmanship.
| Brand | Gates |
| Part Number | 21409 |
| Material | Epdm |
| End 1 Inside Diameter | 1.75 |
| End 1 Inside Diameter | 44 |
| End 2 Inside Diameter | 1.75 |
| End 2 Inside Diameter | 44 |
| Contains Spring | No |
| Centerline Length | 18.9 |
| Centerline Length | 480 |
| 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.