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Gates 21872 Radiator Coolant Hose - Lower
Overview of Gates Molded Coolant Hose 21872
The Gates Molded Coolant Hose 21872 is designed specifically for Chevrolet Astro and GMC Safari vehicles. This radiator coolant hose is constructed from durable EPDM material, ensuring reliable performance in your vehicle's cooling system.
- Made from high-quality EPDM material for heat and chemical resistance
- Molded design for precise fit and secure installation
- Centerline length of 21.8 inches (554 mm) for accurate replacement
- End 1 inside diameter: 1.5 inches (38 mm)
- End 2 inside diameter: 1.75 inches (44 mm)
- Compatible with Chevrolet Astro and GMC Safari models
- Part number 21872 for easy identification and ordering
About the Molded Coolant Hose Product Line
The Gates Molded Coolant Hose line offers molded radiator hoses engineered to meet specific vehicle requirements. This product line focuses on delivering hoses with precise dimensions and durable EPDM construction, which helps maintain optimal coolant flow and system integrity. The molded design of the 21872 hose ensures a secure fit without the need for additional spring reinforcement or quick connect fittings.
Detailed Product Description
The Gates Molded Coolant Hose 21872 is a radiator coolant hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a molded shape tailored to fit the cooling system of Chevrolet Astro and GMC Safari vehicles. With a centerline length of 21.8 inches (554 mm), it connects two points with end diameters of 1.5 inches (38 mm) and 1.75 inches (44 mm) respectively. This hose does not contain a spring or quick connect fittings, simplifying installation and reducing potential failure points.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses in Chevrolet Astro and GMC Safari
- Resolving coolant leaks caused by hose degradation
- Preventing overheating due to compromised coolant flow
- Maintaining proper coolant system pressure and circulation
- Eliminating hose collapse or deformation under engine heat
Installation Notes and Tips
- Ensure the engine is cool before removing the old hose to avoid burns
- Check hose connections and clamps for corrosion or damage and replace if necessary
- Verify the correct orientation of the molded hose before installation
- Use appropriate clamps to secure the hose ends firmly
- Inspect the cooling system for leaks after installation and during initial operation
Quality Assurance and Warranty
Gates Molded Coolant Hose 21872 is manufactured to meet OEM specifications for Chevrolet Astro and GMC Safari vehicles. The EPDM material and molded construction provide durability and resistance to common coolant system stresses. While specific warranty details are not provided, Gates products typically adhere to industry standards for quality and reliability.
| Brand | Gates |
| Part Number | 21872 |
| Position | Molded Coolant Hose, Lower |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 21.8 |
| Centerline Length | 554 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.5 |
| End 1 Inside Diameter | 38 |
| 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 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1994 | Chevrolet | Astro | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1994 | GMC | Safari | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1993 | Chevrolet | Astro | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1993 | GMC | Safari | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1992 | Chevrolet | Astro | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1992 | GMC | Safari | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1991 | Chevrolet | Astro | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1991 | GMC | Safari | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1990 | Chevrolet | Astro | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1990 | GMC | Safari | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1988 | Chevrolet | Astro | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1988 | GMC | Safari | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1987 | Chevrolet | Astro | 4.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1987 | GMC | Safari | 4.3L | V6 | 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.