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Gates 20489 Radiator Coolant Hose - Lower
Overview of Gates Molded Coolant Hose 20489
The Gates Molded Coolant Hose 20489 is engineered for reliable cooling system performance in select Cadillac, Chevrolet, and GMC vehicles. Designed with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Blazer, C10 Suburban, and DeVille.
- Constructed from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and secure installation
- Centerline length of 17.8 inches (452 mm) for accurate routing
- Consistent inside diameter of 1.75 inches (44 mm) on both ends
- Compatible with multiple GM vehicles including Cadillac Eldorado and GMC Jimmy
Detailed Product Description
The Gates Molded Coolant Hose 20489 is a molded radiator coolant hose made from EPDM (ethylene propylene diene monomer) rubber, known for its durability and resistance to heat, ozone, and coolant chemicals. Both ends of the hose feature an inside diameter of 1.75 inches (44 mm), ensuring a uniform connection to the cooling system components. With a centerline length of 17.8 inches (452 mm), this hose is designed to fit specific GM vehicles without the need for modification. The molded construction eliminates the need for clamps or additional fittings, providing a secure and leak-resistant seal. This hose does not contain any springs or quick connect fittings, simplifying installation and maintenance.
About the Molded Coolant Hose Product Line
The Gates Molded Coolant Hose line focuses on precision-molded hoses that provide exact fitment and reliable performance in automotive cooling systems. These hoses are designed to meet or exceed OEM specifications, offering consistent dimensions and material quality. The molded design reduces the risk of leaks and improves coolant flow efficiency, making it suitable for vehicles requiring exact hose shapes and lengths, such as the Cadillac Fleetwood and Chevrolet K20 Suburban.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses
- Resolving coolant leaks caused by hose degradation
- Preventing overheating due to compromised coolant flow
- Maintaining proper coolant system pressure and circulation
- Ensuring compatibility with specific GM vehicle cooling systems
Installation Notes and Tips
- Verify hose dimensions and fitment with your vehicle model before installation
- Ensure cooling system is cool and depressurized prior to removal
- Inspect hose connections and clamps for wear and replace if necessary
- Lubricate hose ends with coolant or water to ease installation
- Check for leaks after installation and during initial engine operation
Quality Assurance and Warranty
Gates Molded Coolant Hose 20489 is manufactured to meet stringent quality standards, ensuring durability and performance in demanding automotive environments. The EPDM material provides resistance to heat, ozone, and coolant chemicals, contributing to long service life. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in material and workmanship.
| Brand | Gates |
|---|---|
| Part Number | 20489 |
| Position | Molded Coolant Hose, Lower |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 17.8 |
| Centerline Length | 452 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.75 |
| End 1 Inside Diameter | 44 |
| End 2 Inside Diameter | 1.75 |
| End 2 Inside Diameter | 44 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 63 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1972 | Chevrolet | Blazer | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1972 | Chevrolet | C10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1972 | Chevrolet | C10 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1972 | Chevrolet | C20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1972 | Chevrolet | C20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1972 | Chevrolet | K10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1972 | Chevrolet | K20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1972 | Chevrolet | K20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1972 | GMC | Jimmy | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1971 | Chevrolet | Blazer | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1971 | Chevrolet | C10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1971 | Chevrolet | C10 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1971 | Chevrolet | C20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1971 | Chevrolet | C20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1971 | Chevrolet | K10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1971 | Chevrolet | K20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1971 | Chevrolet | K20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1971 | GMC | G15/G1500 Van | Manual | 4.1L | L6 | GAS | Lower | Molded Coolant Hose |
| 1971 | GMC | G25/G2500 Van | Manual | 4.1L | L6 | GAS | Lower | Molded Coolant Hose |
| 1971 | GMC | G35/G3500 Van | Manual | 4.1L | L6 | GAS | Lower | Molded Coolant Hose |
| 1971 | GMC | Jimmy | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | Chevrolet | Blazer | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | Chevrolet | C10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | Chevrolet | C10 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | Chevrolet | C20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | Chevrolet | C20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | Chevrolet | K10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | Chevrolet | K10 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | Chevrolet | K20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | Chevrolet | K20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1970 | GMC | Jimmy | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1969 | Chevrolet | Blazer | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1969 | Chevrolet | C10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1969 | Chevrolet | C10 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1969 | Chevrolet | C20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1969 | Chevrolet | C20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1969 | Chevrolet | K10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1969 | Chevrolet | K10 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1969 | Chevrolet | K20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1969 | Chevrolet | K20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1968 | Chevrolet | C10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1968 | Chevrolet | C10 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1968 | Chevrolet | C20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1968 | Chevrolet | C20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1968 | Chevrolet | K10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1968 | Chevrolet | K20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1968 | Chevrolet | K20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1967 | Chevrolet | C10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1967 | Chevrolet | C10 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1967 | Chevrolet | C20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1967 | Chevrolet | C20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1967 | Chevrolet | K10 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1967 | Chevrolet | K10 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1967 | Chevrolet | K20 Suburban | 4.1L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1967 | Chevrolet | K20 Suburban | 4.8L | L6 | GAS | Lower | Molded Coolant Hose | |
| 1965 | Cadillac | Commercial Chassis | 7.0L | V8 | GAS | Lower | Molded Coolant Hose | |
| 1965 | Cadillac | Fleetwood | 7.0L | V8 | GAS | Lower | Molded Coolant Hose | |
| 1964 | Cadillac | Commercial Chassis | 7.0L | V8 | GAS | Lower | Molded Coolant Hose | |
| 1964 | Cadillac | DeVille | 7.0L | V8 | GAS | Lower | Molded Coolant Hose | |
| 1964 | Cadillac | Eldorado | 7.0L | V8 | GAS | Lower | Molded Coolant Hose | |
| 1963 | Cadillac | Commercial Chassis | 6.4L | V8 | GAS | Lower | Molded Coolant Hose | |
| 1963 | Cadillac | DeVille | 6.4L | V8 | GAS | Lower | Molded Coolant Hose | |
| 1963 | Cadillac | Eldorado | 6.4L | V8 | GAS | Lower | Molded Coolant 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.